Digital Security Act Bangladesh: Your Legal Rights and Defences Explained

The Digital Security Act, 2018 (DSA) was enacted in Bangladesh on 8 October 2018, replacing Section 57 of the ICT Act 2006. It was widely criticised by press freedom organisations and human rights bodies for its broad scope, vague definitions, and use to silence journalists and critics.

On 18 August 2023, the DSA was repealed and replaced by the Cyber Security Act, 2023 (CSA). While the government presented the CSA as a more balanced framework, many civil society groups noted that the core problematic provisions were retained with only minor modifications.

Key continuities between the DSA and CSA:

• Both criminalise online publication of 'false', 'offensive', or 'defamatory' content — with vague definitions that courts interpret broadly.
• Both establish a dedicated Cyber Tribunal for trial of offences.
• Both provide police with significant powers to search, seize, and arrest.
• Both allow for long periods of remand and investigation.

Key changes under the CSA compared to the DSA:

• Some non-bailable offences under the DSA became bailable under the CSA.
• Maximum penalties for some offences were reduced.
• Definitions of some offences were slightly narrowed.

Despite these changes, the fundamental concerns about the law's potential for misuse remain. Knowing your rights is the first line of defence if you are charged. Consult a criminal lawyer in Bangladesh with cyber law experience immediately.

The Constitution of Bangladesh provides fundamental rights that apply to all criminal proceedings, including those under the DSA/CSA. These cannot be waived or overridden even by a special law like the CSA:

• Article 27 – Equality before law: All citizens are equal before the law. You cannot be discriminated against in the application of criminal law.
• Article 31 – Right to protection of law: No action detrimental to your life, liberty, or property can be taken without lawful authority.
• Article 32 – Right to personal liberty: No person shall be deprived of life or personal liberty except in accordance with law. Unlawful detention is a violation of this fundamental right.
• Article 33 – Protection on arrest: Every arrested person must be informed of the grounds for arrest as soon as possible, and must be allowed to consult and be defended by a lawyer of their choice.
• Article 35(3) – Right to a fair trial: Every person accused of a criminal offence is entitled to a fair and public trial.
• Article 35(4) – Protection against self-incrimination: No person accused of an offence shall be compelled to be a witness against themselves.
• Article 39 – Freedom of thought, conscience and speech: The right to freedom of speech and expression is guaranteed, subject to reasonable restrictions — a constitutional ground for challenging overbroad cybercrime prosecutions.
• Article 102 – Enforcement of rights by High Court: The High Court Division has jurisdiction to issue directions, orders, or writs to enforce fundamental rights — a powerful tool for those unlawfully detained under the CSA.

Understanding your rights at the moment of arrest is critical to protecting yourself. The following rights apply under the Constitution and the Code of Criminal Procedure (CrPC):

1. Right to Know the Grounds of Arrest: The arresting officer must inform you of the specific offence you are being arrested for. Demand this information immediately — an arrest without clear grounds is unlawful.
2. Right to Remain Silent: You are not obliged to answer any police questions beyond confirming your identity. Exercise your right to remain silent until your lawyer is present. Anything you say can be used against you in court.
3. Right to a Lawyer: You must be allowed to contact and consult a lawyer immediately after arrest. Police cannot legally deny this right. Insist on it firmly and calmly.
4. Right to Inform Family: You must be allowed to inform your family or a trusted person of your arrest and location of custody.
5. Right to be Produced Before a Magistrate: Under Section 61 CrPC, an arrested person must be produced before a Magistrate within 24 hours of arrest (excluding journey time). Extended detention beyond 24 hours without production is unlawful.
6. Right Against Torture: Torture or ill-treatment during custody is prohibited under Article 35(5) of the Constitution and Bangladesh's international treaty obligations. If you are mistreated, document it and report it to your lawyer immediately.

If any of these rights are violated, your bail lawyer can raise these violations before the Magistrate or the High Court Division to challenge the legality of your detention.

One of the most important immediate steps after arrest is securing bail. The bail position under the CSA depends on the specific section you are charged under:

• Bailable Offences: For bailable CSA offences, bail is a right. You or your lawyer can apply for bail at the police station or before the Magistrate. The police/Magistrate must grant bail if the offence is bailable.
• Non-Bailable Offences: For non-bailable offences, bail is discretionary. Apply to the Cyber Tribunal (or the Sessions Judge acting as Tribunal Judge). Factors considered include the nature of the offence, the accused's background, and the risk of flight or tampering with evidence.
• High Court Bail: If the Tribunal refuses bail, the accused can approach the High Court Division under Section 498 CrPC for bail. The High Court has broad discretion and has granted bail in many CSA cases where the Tribunal was reluctant.
• Anticipatory Bail: If you apprehend arrest under the CSA before being arrested, you can apply for anticipatory bail before the Sessions Court or High Court Division — see our High Court anticipatory bail guide.

Given the complexity of bail proceedings in cyber cases, engaging an experienced bail lawyer in Bangladesh immediately upon arrest is the most important step you can take.

In cybercrime cases, the prosecution's case largely depends on digital evidence — screenshots, social media posts, device data, server logs, and forensic reports. Your lawyer can challenge this evidence in several important ways:

• Authenticity: The prosecution must prove that the digital evidence is authentic — that it has not been altered, edited, or fabricated. Screenshots alone, without corroborating metadata, can be challenged for authenticity.
• Chain of Custody: Digital evidence must be collected, preserved, and presented in accordance with proper forensic procedures. If the chain of custody is broken — for example, if unauthorised persons handled the device — the evidence may be inadmissible or given reduced weight.
• Procedural Compliance: Evidence collected through an illegal search (without a warrant where required) can be challenged as improperly obtained.
• Attribution: Proving that the accused was the actual author of an online post requires more than just identifying the account. Accounts can be hacked, accessed by multiple people, or the device may have been used by another person. Challenge the prosecution's evidence of attribution.
• Context and Meaning: Posts, comments, or messages may have a different meaning in context. Defence counsel can present evidence of the context in which the statement was made to show it was not criminal in nature.

Challenging digital evidence requires technical expertise alongside legal skill. Your criminal lawyer should work with digital forensic experts where necessary to effectively contest the prosecution's evidence.

One of the most powerful defences available in DSA/CSA cases — particularly those involving online speech — is the constitutional right to freedom of expression under Article 39 of the Constitution of Bangladesh.

Article 39 guarantees freedom of thought and conscience, and the right to freedom of speech and expression. This right can be restricted by law only in the interests of:

• The security of the state;
• Friendly relations with foreign states;
• Public order;
• Decency or morality;
• Defamation or incitement to an offence.

The constitutional defence works as follows:

• Proportionality: Even where a restriction on speech is permissible, it must be proportionate to the harm sought to be prevented. A criminal prosecution for a mild criticism of a public official is arguably disproportionate.
• Vagueness: Laws that restrict speech using vague and overbroad terms (like 'offensive' or 'tending to disturb public order') may be challenged as unconstitutional for violating the standard of legal certainty required by the Constitution.
• Public Interest Defence: Statements made in the genuine public interest — reporting on corruption, holding officials accountable, exposing public health risks — are protected expression even if they are critical or uncomfortable for the subjects.

These constitutional defences are best raised before the High Court Division through a writ petition or during the trial before the Cyber Tribunal. A Supreme Court lawyer with constitutional law expertise is best placed to argue these defences.

Having an experienced lawyer is not just advisable in a DSA/CSA case — it is indispensable. Here is what your lawyer can do for you:

• Immediate Bail Application: Your lawyer will file a bail application at the earliest possible stage — before the police, Magistrate, Tribunal, or High Court as appropriate.
• Challenging the FIR/Complaint: Your lawyer will examine the complaint to identify procedural irregularities, lack of jurisdiction, or substantive weaknesses that can be exploited to have the case dismissed or weakened.
• Quashing the Case: In appropriate cases, your lawyer can file a writ petition before the High Court Division to quash the criminal proceedings entirely — for example, if the complaint is clearly an abuse of process or the allegations do not disclose any offence.
• Cross-Examination Strategy: At trial, your lawyer will cross-examine prosecution witnesses — including digital forensic experts — to expose gaps and inconsistencies in the evidence.
• Constitutional Arguments: Your lawyer can raise fundamental rights violations before the Tribunal and higher courts, including challenges to the constitutionality of the specific CSA provision applied to your case.
• Negotiated Resolution: In cases where the complainant is a private party (rather than the state), your lawyer may be able to negotiate a settlement and withdrawal of the case.
• Appeals: If convicted, your lawyer will file and conduct an appeal before the High Court Division with expertise in cyber law appeals.

If you believe the DSA or CSA has been used against you maliciously or in bad faith — for example, by a business rival, an estranged spouse, or a political opponent — you have remedies:

• Quashing Petition: File a writ petition before the High Court Division under Article 102 of the Constitution seeking quashing of the FIR or criminal proceedings on the grounds that they are an abuse of process or maliciously motivated.
• Anticipatory Bail: If you anticipate arrest in connection with a malicious complaint, apply for anticipatory bail immediately before the Sessions Court or High Court Division.
• Complaint to the Digital Security Agency: The Digital Security Agency (DSA) — the regulatory body established under the CSA — can receive complaints about misuse of the Act.
• Human Rights Commission: The National Human Rights Commission of Bangladesh can be approached if you believe your fundamental rights have been violated through malicious prosecution.
• Civil Suit for Malicious Prosecution: Once the criminal proceedings are terminated in your favour, you can file a civil suit against the complainant for damages arising from malicious prosecution.

The combination of these remedies — pursued strategically by an experienced criminal lawyer in Bangladesh — can effectively counter malicious DSA/CSA complaints.

Yes. The High Court Division has the power to quash criminal proceedings under its inherent jurisdiction and under Article 102 of the Constitution if it finds that the case is an abuse of process, that no offence is disclosed, or that the proceedings are maliciously initiated. Filing a quashing petition is a powerful legal strategy in DSA/CSA cases.

Under the CrPC, police can seek remand of an accused for investigation purposes. The Magistrate has discretion to grant remand for a period not exceeding 15 days in total (in the first instance). Your lawyer should contest excessive or unnecessary remand applications and seek bail or transfer to judicial custody as soon as possible.

Yes, technically any person can file a complaint. However, whether the complaint constitutes a genuine offence under the CSA depends on the content. Criticism of public figures or posting opinions — even strongly worded ones — does not automatically constitute a cybercrime. Your lawyer can argue that the content is protected expression under Article 39 of the Constitution.

No. Deleting the post after it has been seen, documented, and complained about does not erase the offence. Prosecution authorities and complainants typically take screenshots before filing a case. However, the deletion may affect the availability of evidence and could be relevant to the sentencing or compounding of the case.

The CSA does not expressly provide a specific limitation period for all offences. For cognisable offences (where police can act without a warrant), the general CrPC rules on investigation timelines apply. For cases filed before the Tribunal directly, the court's discretion and principles of justice apply. Delays in filing may weaken the prosecution's case.