SOSMA in Malaysia: What Happens After Arrest? 28-Day Detention, Lawyer Access and Bail

When someone is arrested in Malaysia under the Security Offences (Special Measures) Act 2012, commonly known as SOSMA, the procedure can be very different from an ordinary criminal arrest.

Family members may suddenly hear that the person can be detained for up to 28 days, may have questions about when a lawyer can see the detainee, and may be uncertain whether bail is available if a charge is eventually filed.

These concerns are understandable because SOSMA creates special procedures for investigations and trials involving defined security offences.

SOSMA does not create one standalone criminal offence called “SOSMA”. Instead, it provides special investigative, detention, evidential and court procedures for offences classified as security offences under the legislation.

This guide explains what may happen after an arrest under SOSMA in Malaysia, how the 28-day detention framework operates, what the law says about notification of family members and access to a legal practitioner, how electronic monitoring can arise, what happens before the detention period ends, and why bail under SOSMA is different from ordinary criminal bail.

This article provides general legal information only. SOSMA cases can involve serious allegations and specialised procedures. The applicable position depends on the exact offence, facts, detention documents, procedural stage and current law.

What Is SOSMA in Malaysia?

SOSMA is the commonly used name for the Security Offences (Special Measures) Act 2012, or Act 747.

The Act provides special measures relating to security offences.

Under the Act, a “security offence” means an offence specified in the First Schedule to SOSMA.

The current First Schedule includes specified offences arising under:

• Chapter VI of the Penal Code;
• Chapter VIA of the Penal Code;
• Chapter VIB of the Penal Code;
• Part IIIA of the Anti-Trafficking in Persons and Anti-Smuggling of Migrants Act 2007; and
• the Special Measures Against Terrorism in Foreign Countries Act 2015.

This means that SOSMA should not be understood as applying only to one type of allegation.

Depending on the underlying offence, a SOSMA matter may involve allegations connected with offences against the State, terrorism, organised crime, smuggling of migrants or another security offence identified by the legislation.

View the Ministry of Home Affairs information on the Security Offences (Special Measures) Act 2012.

Does SOSMA Itself Create a Criminal Charge?

No.

This is one of the most important concepts to understand.

A person is not ordinarily charged simply with an offence called “SOSMA”.

The substantive criminal allegation arises under the relevant underlying legislation, while SOSMA provides special measures and procedures because the offence falls within the statutory definition of a security offence.

For example, the charge may arise under a provision of the Penal Code or another Act included within SOSMA's First Schedule.

When reviewing a SOSMA case, it is therefore important to identify both:

• the precise underlying criminal offence; and
• the SOSMA provisions affecting the investigation or court proceedings.

NFALAW's dedicated SOSMA & Security Offences practice page provides further information about the firm's published scope for these matters.

What Happens When Someone Is Arrested Under SOSMA?

Section 4 of SOSMA deals with arrest and detention for security offences.

Section 4(1) provides that a police officer may arrest and detain without warrant a person whom the officer has reason to believe is involved in security offences.

The legislation also requires the person arrested to be informed as soon as may be of the grounds of the arrest.

The arrest begins an investigative process. It does not amount to a conviction, and it does not mean that the person has already been proved guilty of the underlying offence.

The investigation may involve examination of:

• the alleged security offence;
• the person's alleged role;
• communications and electronic records;
• financial transactions;
• company or organisational records;
• other persons allegedly connected to the matter;
• physical or digital evidence;
• witness statements;
• travel or movement information where relevant; and
• other material lawfully obtained during the investigation.

Can Someone Be Arrested Under SOSMA Solely Because of Political Beliefs?

Section 4 contains a specific statutory safeguard on this point.

Section 4(3) states that a person shall not be arrested and detained under that section solely because of the person's political belief or political activity.

The Act itself contains a definition concerning political belief or political activity.

Whether a particular detention complies with the legislation depends on the real basis for the arrest and the evidence available in the individual case.

How Long Can Someone Initially Be Detained Under SOSMA?

Section 4(4) provides for detention for a period of twenty-four hours for the purpose of investigation.

This is the initial investigative detention period under the SOSMA framework.

The position can then change significantly because Section 4(5) provides a special power to extend the detention period.

How Does the 28-Day SOSMA Detention Work?

Section 4(5) provides that a police officer of or above the rank of Superintendent of Police may extend the detention for a period of not more than 28 days for the purpose of investigation.

This is one of the main differences between SOSMA detention and the ordinary remand procedure applying to many other criminal investigations.

Under the ordinary criminal process, continued detention beyond the initial period generally involves an application to a Magistrate for remand.

Under Section 4(5) of SOSMA, the special statutory extension is authorised within the framework created by SOSMA rather than through the ordinary Section 117 Criminal Procedure Code remand process.

If you are looking for the ordinary arrest and remand framework, see what happens after an arrest in Malaysia.

Is the 28-Day Period Still in Force in 2026?

Yes, the Section 4(5) detention power remains relevant at the time this article was reviewed in September 2026.

Section 4(11) requires subsection 4(5) to be periodically reviewed and provides that the provision ceases to have effect unless both Houses of Parliament resolve to extend its operation.

Parliament approved a further five-year extension beginning on 31 July 2022.

Accordingly, the extended Section 4(5) framework remains operative during September 2026.

Because the provision is subject to parliamentary review and SOSMA reform has been under active discussion, current legislation should always be checked in a live case.

Does Every SOSMA Detainee Automatically Stay in Custody for 28 Days?

No.

The legislation provides a maximum investigative period under Section 4(5); it does not require that every person arrested must necessarily remain detained for the entire possible period.

The actual duration depends on the investigation and the decisions made under the applicable statutory framework.

Section 4 itself contemplates release before the maximum period where further detention is considered unnecessary.

Families should therefore avoid treating “28 days” as an automatic sentence or a fixed period that every SOSMA detainee must serve.

Is the 28-Day Period a Criminal Sentence?

No.

The Section 4 detention period is for investigation before the criminal case has been finally determined.

It is not a sentence following conviction.

A person can be detained for investigation and later:

• be released;
• be released subject to another lawful investigative measure;
• be charged with an underlying security offence; or
• face another procedural step permitted by law.

The outcome depends on the investigation and the applicable legal framework.

Is SOSMA Detention the Same as Ordinary Remand?

No.

Although both involve detention during an investigation, the legal mechanisms are different.

Ordinary remand generally involves judicial authorisation under the Criminal Procedure Code.

SOSMA Section 4(5), however, provides its own special mechanism under which a police officer of or above the rank of Superintendent may extend detention for investigation for the period allowed by the Act.

Section 4 also expressly addresses its interaction with Article 5 and Article 9 of the Federal Constitution and Section 117 of the Criminal Procedure Code.

This is why advice based solely on the ordinary remand procedure may not accurately describe a SOSMA detention.

Does the Family Have to Be Told About the Arrest?

Section 5 of SOSMA specifically deals with notification to next-of-kin and consultation with a legal practitioner.

Section 5(1)(a) provides that when a person is arrested and detained under Section 4, the police officer conducting the investigation shall immediately notify the person's next-of-kin of the arrest and detention.

This requirement is important for families who may otherwise have difficulty understanding where the person has been taken or why the person has not returned home.

However, notification of next-of-kin should not automatically be confused with an unrestricted legal entitlement to family visits at all times.

The precise arrangements concerning contact or visits can depend on the circumstances and detention procedures.

Can a SOSMA Detainee Consult a Lawyer?

Section 5(1)(b) states, subject to subsection (2), that the detained person is to be allowed to consult a legal practitioner of his or her choice.

This means that lawyer access is expressly addressed by SOSMA itself.

However, SOSMA also contains a provision allowing that consultation to be delayed in specific circumstances.

Can Access to a Lawyer Be Delayed for 48 Hours?

Yes, but the statutory provision does not describe an unlimited power to deny legal consultation.

Section 5(2) allows a police officer not below the rank of Superintendent of Police to authorise a delay of not more than 48 hours for consultation with a legal practitioner if the officer is of the view that one of the statutory grounds exists.

The grounds identified in the provision concern situations where exercising the right at that time is considered likely to:

• interfere with evidence connected to the security offence;
• lead to harm to another person;
• alert another person suspected of committing the offence who has not yet been arrested; or
• hinder recovery of property obtained as a result of the offence.

Because this is a specific statutory power, the circumstances and authorisation for any delay may require careful legal review where access to counsel becomes disputed.

Does the 48-Hour Rule Mean a Lawyer Must Always Wait Two Days?

No.

The legislation does not impose a mandatory two-day waiting period in every SOSMA arrest.

Section 5 provides for consultation with a legal practitioner, while subsection (2) allows a delay of no more than 48 hours where the specified statutory conditions are relied upon and the appropriate officer authorises the delay.

If no lawful delay applies, the fact that SOSMA permits a delay in certain circumstances should not be treated as meaning that every detainee must automatically wait 48 hours.

What Can a Family Do While Lawyer Access Is Being Arranged?

The family can begin collecting accurate information immediately.

Useful information may include:

• the detainee's full name and identification details;
• the date and approximate time of arrest;
• the place where the arrest occurred;
• the police station or authority involved;
• the name or contact details of the investigating officer, if known;
• the underlying offence or section mentioned by police;
• the current detention location, if known;
• whether the family has received formal notification;
• whether access to a lawyer has been requested; and
• any document, notice or information provided by the authorities.

A lawyer can then assess what immediate enquiries or legal steps may be appropriate.

Should the Family Send Every Document to the Lawyer Immediately?

Not necessarily.

For an urgent first contact, it is usually more useful to provide the key facts and identify the current procedural stage.

Do not send passwords, private photographs, confidential company records, sensitive communications or large document bundles until the appropriate secure communication method has been confirmed.

The lawyer can then identify which documents are actually necessary.

Can the Police Question a Person During SOSMA Detention?

SOSMA detention is for investigative purposes, so questioning and evidence gathering may form part of the investigation.

However, SOSMA also contains special provisions concerning evidence and statements.

For this reason, a SOSMA investigation should not simply be treated as though every statement is governed only by the ordinary police-statement framework.

The exact legal treatment of what a person says can depend on the circumstances, the statutory provision involved and the later proceedings.

Is a SOSMA Statement the Same as an Ordinary Section 112 Statement?

Not necessarily.

Section 112 of the Criminal Procedure Code is commonly used for police examination of persons during ordinary criminal investigations.

SOSMA, however, creates additional special procedures and evidential provisions for security offences.

The fact that a person is being questioned by police therefore does not mean that the legal consequences are identical in every type of investigation.

For general information about the ordinary police-statement framework, see NFALAW's guide to Section 112 statements in Malaysia.

Where SOSMA applies, the specific security-offence framework should be considered separately.

Can Communications Be Intercepted in a SOSMA Investigation?

SOSMA contains special investigative powers relating to interception of communications.

Section 6 deals with powers concerning postal articles, communications and conversations in circumstances provided by the Act.

This means that electronic communications may become relevant in a security-offence investigation.

Depending on the case, investigators may examine material involving:

• telephone communications;
• messaging applications;
• emails;
• online communications;
• digital devices;
• location or movement information; and
• communications between persons allegedly connected to the investigation.

The existence of such material does not automatically prove the underlying offence. Its admissibility, meaning, context and legal significance depend on the circumstances.

Can Someone Be Released Before the SOSMA Investigation Ends?

Potentially, yes.

Section 4 provides for a situation where the investigating police officer considers further detention unnecessary before the end of the maximum period.

In such circumstances, the person may be released, although SOSMA also contains provisions allowing an electronic monitoring device to be considered for the remaining investigative period through the process provided by the Act.

Release from physical detention therefore does not necessarily mean that the investigation has ended.

What Is an Electronic Monitoring Device Under SOSMA?

SOSMA contains a statutory framework for electronic monitoring in certain circumstances.

Where a person is released during the Section 4 investigative period but is still required for the investigation, the Public Prosecutor may apply to the Court for the person to be attached with an electronic monitoring device for the period permitted by the Act.

The device can be subject to requirements concerning matters such as:

• reporting to a police station;
• monitoring of movement;
• notification of changes of address;
• inspection of the device;
• maintenance of the device;
• return or removal of the device; and
• compliance with lawful directions or court conditions.

The applicable order should always be read carefully because failure to comply with electronic-monitoring requirements can carry legal consequences.

What Happens Before the 28-Day Investigation Period Ends?

Section 4 contains an important procedural requirement concerning the investigation papers.

One week before the expiry of the detention period under subsection 4(5), the police officer conducting the investigation is required to submit the investigation papers to the Public Prosecutor.

This helps move the matter toward a prosecutorial decision before the investigative detention period expires.

The possible next steps may include:

• release of the person;
• further investigative action permitted by law;
• a decision concerning prosecution; or
• the filing of a criminal charge for the underlying security offence.

The fact that a person has been detained for a substantial part of the SOSMA period does not mean that a charge is inevitable.

What Happens If the Person Is Charged?

If the Public Prosecutor proceeds with prosecution, the person will face a charge for the relevant underlying security offence.

At that point, the case moves from pre-charge investigation into criminal court proceedings.

The charge should be examined carefully to identify:

• the precise statutory offence;
• the alleged conduct;
• the date and location alleged;
• the accused person's alleged role;
• whether SOSMA applies to that offence;
• the available prosecution material;
• the bail position; and
• the court in which the matter will proceed.

Which Court Tries a SOSMA Security Offence?

Section 12 of SOSMA provides that security offences are to be tried by the High Court.

This is another important difference from many ordinary criminal matters that may begin and be tried in the Magistrates' Court or Sessions Court depending on the offence.

The exact procedural route before the High Court will depend on the charge and applicable legislation.

Can a Person Charged Under SOSMA Get Bail?

Bail under SOSMA is more restrictive and legally more complex than ordinary criminal bail.

Section 13(1) states that bail shall not be granted to a person who has been charged with a security offence.

Section 13(2), however, contains specified statutory exceptions for certain accused persons, subject to the type of underlying security offence and the conditions stated in the legislation.

In addition, Malaysian courts have considered constitutional, jurisdictional and statutory questions concerning bail in SOSMA cases.

For this reason, it is not appropriate to answer every SOSMA bail question simply by saying either “bail is always impossible” or “ordinary bail rules apply”.

The actual offence, statutory category, personal circumstances and current case law should be reviewed.

Who Falls Within the Statutory Bail Exceptions?

Section 13(2) identifies certain categories:

• a person below eighteen years of age;
• a woman; or
• a sick or infirm person.

However, the statutory exception does not apply in the same way to every security offence.

The provision excludes offences under Chapter VIA of the Penal Code and the Special Measures Against Terrorism in Foreign Countries Act 2015 from the exception described in Section 13(2).

Where the exception applies, the legislation also addresses the possibility of an electronic monitoring device.

The bail position should therefore be assessed from the exact charge rather than from the word “SOSMA” alone.

What If the Accused Is Charged With a Terrorism Offence?

Chapter VIA of the Penal Code contains offences relating to terrorism.

The statutory exception in Section 13(2) expressly treats offences under Chapter VIA differently.

Accordingly, the bail analysis can be especially restrictive where the underlying security offence falls within the terrorism chapter.

A person facing such a charge requires case-specific legal analysis of the current Act and applicable case law.

What If the SOSMA Case Involves Organised Crime?

Chapter VIB of the Penal Code concerns organised crime and is included within SOSMA's First Schedule.

A case involving an alleged organised criminal group may therefore engage SOSMA's special procedures where the statutory requirements are met.

Evidence in such cases can potentially include:

• communications between alleged members;
• financial records;
• association evidence;
• travel or movement records;
• documents;
• digital evidence;
• surveillance or interception material where lawfully obtained; and
• witness testimony.

The existence of an association or communication does not by itself determine criminal responsibility. The prosecution must establish the particular charge according to the applicable law and evidence.

What If the Case Involves Smuggling of Migrants?

Part IIIA of the Anti-Trafficking in Persons and Anti-Smuggling of Migrants Act 2007 is also listed in SOSMA's First Schedule.

This means that certain migrant-smuggling offences may be treated as security offences for the purposes of SOSMA.

This area has also generated important Malaysian bail litigation, illustrating why SOSMA bail questions cannot safely be answered without looking at the exact underlying offence and current case law.

Is Ordinary Bail Law Still Relevant?

Ordinary Malaysian bail law can provide useful background, but it should not be applied mechanically to a SOSMA charge.

SOSMA contains its own specific bail provision under Section 13.

For a general explanation of bailable offences, non-bailable offences, bailors and ordinary bail applications, see NFALAW's guide to bail in Malaysia.

A SOSMA case requires an additional analysis of the special statutory framework and relevant case law.

Does Refusal of Bail Mean the Accused Is Guilty?

No.

Bail concerns whether a person may be released from custody while criminal proceedings remain pending.

It is separate from the eventual determination of guilt.

A person who remains in custody pending trial has not, merely because bail was unavailable or refused, been convicted of the charge.

Can Bail Be Reconsidered if Circumstances Change?

Whether a further bail application or another legal route is available depends on the statutory framework, the earlier decision, the nature of the security offence and any change in circumstances.

SOSMA bail litigation has involved complex questions concerning Section 13, the Criminal Procedure Code and constitutional principles.

There is therefore no responsible universal answer that every SOSMA detainee can simply “apply again” and obtain release.

The earlier court order, charge and relevant authorities should be examined before any further application is considered.

Can a SOSMA Detention Be Challenged in Court?

There may be circumstances in which the legality of detention is challenged through court proceedings, including an application for habeas corpus.

Habeas corpus is a legal procedure concerned with the lawfulness of detention.

It is not an automatic method of obtaining release merely because a person disagrees with the investigation or considers the detention period too long.

The legal basis for the arrest, statutory compliance, documentation, timing and surrounding circumstances must be examined.

Where a family believes a detention may be unlawful, urgent legal advice is usually appropriate because detention challenges can involve technical and time-sensitive issues.

Can a Lawyer Challenge Delay in Access to the Detainee?

The circumstances can potentially require legal review.

Section 5 expressly addresses consultation with a legal practitioner and identifies the conditions under which consultation may be delayed for no more than the statutory period.

If access is being delayed, useful questions can include:

• when the person was arrested;
• when legal access was first requested;
• whether the police say Section 5(2) has been invoked;
• who authorised the delay;
• when the delay is said to expire; and
• whether access remains denied after that period.

The legal significance of any non-compliance should be assessed by a lawyer using the actual facts and current authorities.

What Evidence Can Become Important in a SOSMA Case?

SOSMA contains special evidential procedures in addition to the ordinary law governing criminal trials.

Depending on the underlying charge, the case may involve:

• witness statements;
• statements attributed to the accused;
• documents;
• computer-generated material;
• telephone and messaging records;
• intercepted communications;
• surveillance or tracking information;
• financial evidence;
• company or organisational records;
• photographs or identification evidence;
• physical exhibits; and
• sensitive information governed by special procedures.

The legal admissibility and weight of particular evidence are separate questions and depend on the applicable provisions and facts.

Why Is Digital Evidence Important in Many Security-Offence Cases?

Modern security-offence investigations can involve substantial digital material.

Phones, messaging applications, social-media communications, location records, emails and electronic documents may become relevant where investigators allege connections between individuals or organisations.

Digital evidence should not be interpreted in isolation.

The date, sender, recipient, full conversation, surrounding context, authenticity and connection to the alleged offence can all matter.

A single message or photograph may have a very different meaning when examined together with the complete record.

Should Family Members Delete Messages or Records?

No.

Do not destroy, alter, conceal or fabricate potentially relevant evidence.

This includes:

• messages;
• emails;
• photos;
• documents;
• financial records;
• company records;
• device data; and
• other material that may become relevant to the investigation.

If there are concerns about confidential, privileged or sensitive material, obtain legal advice about how it should be preserved and handled.

Should the Case Be Discussed on Social Media?

Public discussion about an active security-offence investigation can create unnecessary risks.

Family members may understandably want to seek support or explain what has happened, but online statements can circulate widely and may later be misunderstood or taken out of context.

It is generally sensible to obtain legal advice before publishing detailed allegations, evidence, witness information or confidential material relating to an active case.

What Should a Family Do Immediately After a SOSMA Arrest?

The first priority is accurate information.

1. Confirm the arrest. Identify when and where the person was arrested.
2. Identify the authority. Record the police station, investigating team and officer details if known.
3. Identify the alleged offence. Ask which underlying section or security offence is being investigated if this information has been provided.
4. Confirm the detention location. Avoid relying solely on rumours or informal information.
5. Record family notification. Note when and how the next-of-kin was informed.
6. Arrange legal assistance. Provide the lawyer with the essential facts first.
7. Record any lawyer-access issue. Note when consultation was requested and what response was given.
8. Preserve documents and communications. Do not alter potentially relevant evidence.
9. Track important dates. Record the arrest date, any detention information, lawyer-access dates and any court date.
10. Avoid public speculation. Obtain advice before making detailed public statements about an active investigation.

What Information Should You Give a SOSMA Lawyer?

For an urgent initial enquiry, provide a concise summary rather than an unstructured account.

Useful information includes:

• the detainee's full name;
• date and time of arrest;
• the arresting authority or police unit;
• current detention location, if known;
• the underlying offence or Penal Code section, if known;
• whether the family was notified;
• whether lawyer access has been requested;
• whether access was delayed;
• any letter, notice or official information received;
• whether the person has been released, electronically monitored or charged;
• the court involved, if a charge has been filed; and
• any urgent hearing or deadline.

When Should Legal Advice Be Sought?

A SOSMA arrest is normally an appropriate situation to seek legal advice promptly because the special detention regime begins at the investigation stage.

Legal advice may be particularly important where:

• a family member has just been arrested under Section 4;
• the family does not know where the person is detained;
• the next-of-kin has not received expected notification;
• access to a lawyer has been delayed;
• there is uncertainty about when the 48-hour period begins or ends;
• the legal basis for the detention is disputed;
• the person has been detained for an extended investigative period;
• electronic monitoring is proposed;
• the person is about to be charged;
• a bail issue has arisen;
• the underlying allegation involves terrorism, organised crime or migrant smuggling;
• there may be grounds to consider an urgent court application; or
• the case has reached the High Court.

NFALAW's published SOSMA & Security Offences practice covers investigation, detention, lawyer-access issues, bail, court proceedings and appeals where the firm is able to act and formal instructions are accepted.

Who at NFALAW Handles Security-Offence Matters?

NFALAW's published professional information identifies Norman Mohd Nasir's practice as including SOSMA and security-related criminal matters.

You can review his current professional profile at Norman Mohd Nasir's NFALAW profile.

A lawyer-client relationship is not created simply by submitting an enquiry. Any matter remains subject to conflict checks, availability, agreed scope and formal instructions.

What Happens After SOSMA Arrest? A Simple Timeline

1. Arrest: Police arrest a person believed to be involved in a security offence under the statutory framework.
2. Grounds of arrest: The arrested person is to be informed of the grounds of arrest as provided by Section 4.
3. Initial investigation: Section 4 provides an initial 24-hour investigative period.
4. Next-of-kin notification: Section 5 requires immediate notification of the person's next-of-kin.
5. Lawyer consultation: Section 5 provides for consultation with a legal practitioner, subject to the limited statutory power to delay consultation for up to 48 hours.
6. Extended investigation: A Superintendent of Police or above may exercise the Section 4(5) power to extend detention for the period permitted by law.
7. Evidence gathering: Police may continue investigating communications, documents, witnesses and other relevant evidence.
8. Possible early release: The person may be released before the maximum investigative period if further detention is considered unnecessary, with electronic monitoring potentially arising in circumstances provided by the Act.
9. Investigation papers: The Act requires the investigation papers to be submitted to the Public Prosecutor one week before expiry of the Section 4(5) period.
10. Release or prosecution: The matter may proceed toward release, further lawful investigative action or a decision to prosecute.
11. Charge: If prosecuted, the person is charged with the relevant underlying security offence.
12. Bail assessment: Section 13 and the applicable case law must be considered rather than relying only on ordinary bail rules.
13. High Court proceedings: SOSMA provides that security offences are tried by the High Court.

2026 Update: Is SOSMA Being Amended?

The Malaysian Government has publicly discussed further reforms to SOSMA, including possible changes concerning which offences should remain subject to strict bail restrictions and which may potentially permit greater court discretion.

Bernama reported the proposed SOSMA bail-classification reforms in February 2026.

Proposals and policy announcements should not be treated as law before the relevant amendments are enacted and brought into force.

This article therefore explains the legal framework applicable at the time of review in September 2026.

Anyone dealing with a new SOSMA arrest after this date should verify whether any later legislative amendment has commenced.

Frequently Asked Questions About SOSMA in Malaysia

What is SOSMA in Malaysia?

SOSMA is the Security Offences (Special Measures) Act 2012, or Act 747. It provides special investigative, detention, evidential and court procedures for offences classified as security offences under the Act.

Is SOSMA itself a criminal offence?

No. SOSMA principally provides special procedures for security offences. The substantive criminal allegation normally arises under an underlying offence listed within the statutory security-offence framework.

Can police arrest someone under SOSMA without a warrant?

Section 4 provides that a police officer may arrest and detain without warrant a person whom the officer has reason to believe is involved in security offences. The exact legal basis for an individual arrest depends on the circumstances.

How long can someone be detained under SOSMA?

Section 4 provides an initial 24-hour investigative detention period and allows a police officer of or above the rank of Superintendent to extend detention for a period of not more than 28 days for investigation under subsection 4(5). A detainee does not automatically have to remain in custody for the entire maximum period.

Does a Magistrate approve the 28-day SOSMA detention?

The Section 4(5) extension differs from ordinary Criminal Procedure Code remand. SOSMA provides for the extension to be authorised by a police officer of or above the rank of Superintendent rather than through the ordinary Section 117 Magistrate remand procedure.

Is the 28-day SOSMA detention power still in force in 2026?

Yes, at the time this article was reviewed in September 2026. Parliament approved a five-year extension of subsection 4(5) beginning on 31 July 2022. The provision remains subject to the review mechanism contained in the Act.

Does the family have to be informed about a SOSMA arrest?

Section 5 provides that the police officer conducting the investigation shall immediately notify the arrested person's next-of-kin of the arrest and detention.

Can a SOSMA detainee see a lawyer?

Section 5 provides for consultation with a legal practitioner of the detainee's choice, subject to the statutory power allowing a properly authorised delay of not more than 48 hours in specified circumstances.

Can police automatically deny a lawyer for the first 48 hours?

No. The Act provides a power to authorise a delay of up to 48 hours on specified statutory grounds. It should not be understood as a mandatory 48-hour denial of legal consultation in every SOSMA case.

Why can lawyer access be delayed?

Section 5 identifies grounds relating to possible interference with evidence, harm to another person, alerting another suspect who has not yet been arrested, or hindering recovery of property obtained as a result of the offence.

Can someone be released before 28 days?

Yes. SOSMA contemplates release before expiry of the maximum investigative period where further detention is considered unnecessary. In certain circumstances, an electronic monitoring device may be considered for the remaining period through the statutory process.

What happens before the SOSMA detention period ends?

Section 4 requires the investigating officer to submit the investigation papers to the Public Prosecutor one week before expiry of the subsection 4(5) detention period. The matter may then proceed toward release, further lawful action or prosecution depending on the investigation.

Can a person charged with a SOSMA security offence get bail?

SOSMA contains substantial bail restrictions under Section 13 and limited statutory exceptions. Malaysian courts have also considered constitutional and jurisdictional questions concerning SOSMA bail. The exact charge and current case law should therefore be reviewed before determining whether a bail application is available.

Who falls within the exceptions mentioned in Section 13?

The statutory text refers to a person below eighteen years of age, a woman, or a sick or infirm person, subject to important restrictions concerning the particular security offence and the other requirements of Section 13.

Are terrorism offences treated differently for bail?

Yes. Section 13(2) specifically excludes offences under Chapter VIA of the Penal Code and the Special Measures Against Terrorism in Foreign Countries Act 2015 from the statutory exception described in that subsection.

Which court tries a SOSMA security offence?

Section 12 of SOSMA provides that security offences are tried by the High Court.

Can SOSMA detention be challenged through habeas corpus?

A habeas corpus application may potentially be considered where the lawfulness of detention is challenged. It is not an automatic route to release, and the legal basis, statutory compliance, timing and facts of the detention must be examined.

Does being detained under SOSMA mean the person is guilty?

No. Arrest and investigative detention do not amount to a conviction. If criminal proceedings are brought, the prosecution must establish the relevant charge through the court process according to the applicable law.

Is SOSMA currently being reformed?

Further reforms have been publicly proposed in 2026, including proposals concerning bail classification. Proposed amendments should not be treated as current law unless and until they are enacted and brought into force.

What should a family do if someone has just been arrested under SOSMA?

Confirm the arrest and detention location, identify the investigating authority and underlying offence if known, record when the family was notified, arrange legal assistance promptly, preserve relevant documents and keep an accurate timeline of events.

Need Legal Advice About a SOSMA Arrest or Detention?

If you or a family member has been arrested or detained in connection with a security offence, early legal review can be important because SOSMA applies special procedures from the investigation stage.

Issues may arise concerning the statutory basis of detention, next-of-kin notification, lawyer access, the 28-day investigative framework, electronic monitoring, the underlying security offence, bail, evidence and High Court proceedings.

NFALAW handles SOSMA and security-offence enquiries in Malaysia, subject to the facts, conflicts, availability, scope and formal instructions.

For an initial enquiry, provide the person's name, authority involved, arrest date, current detention location if known, underlying offence or section if known, whether lawyer access has been requested, and any urgent court or procedural date.

Contact NFALAW about a SOSMA or security-offence matter.

Important Legal Disclaimer

This article provides general information about the Security Offences (Special Measures) Act 2012, SOSMA arrests, investigative detention, legal-practitioner access and bail in Malaysia. It is not legal advice and does not create a lawyer-client relationship.

SOSMA interacts with the underlying substantive criminal offence, the Criminal Procedure Code, the Federal Constitution, other legislation and Malaysian case law. The legal position can differ significantly depending on the specific charge and circumstances.

Legislative reform concerning SOSMA has also been publicly discussed. A future amendment may change the detention, bail or procedural framework described in this article.

Do not rely on this article alone to determine whether a detention is lawful, whether lawyer access has been improperly delayed, whether a person qualifies for bail, or whether habeas corpus or another court application is available.

Where a person is currently detained, obtain advice based on the actual arrest, detention records, underlying offence and current legislation.

Past court decisions and previous outcomes do not guarantee the result of another matter.

Last reviewed: September 2026