top of page

Information Technology Act 2000 Section 66F

IT Act Section 66F defines cyber terrorism offences and penalties for acts threatening digital security and public safety.

Section 66F of the Information Technology Act, 2000 addresses cyber terrorism. It covers acts committed using computers or networks that threaten the sovereignty, integrity, or security of India. This section is crucial in combating digital threats that can harm public safety or disrupt critical infrastructure.

In today's digital world, cyber terrorism poses significant risks to individuals, businesses, and governments. Section 66F empowers law enforcement to take action against those who use technology to create fear or cause damage. It helps protect digital environments and maintain national security.

Information Technology Act Section 66F – Exact Provision

This section criminalizes acts of cyber terrorism that threaten national security or public safety. It includes unauthorized access or denial of access to computer resources with harmful intent. The law covers causing injury, property damage, or disruption of essential services through digital means.

  • Defines cyber terrorism involving computers and networks.

  • Targets acts threatening India's sovereignty and security.

  • Includes unauthorized access and denial of service.

  • Penalizes causing death, injury, or property damage.

  • Applies to disruption of essential services.

Explanation of Information Technology Act Section 66F

Section 66F specifies cyber terrorism offences and who can be held liable.

  • States that cyber terrorism involves intentional harm via computer resources.

  • Applies to individuals or groups using digital means to threaten India’s security.

  • Triggered by unauthorized access, denial of access, or attempts to disrupt systems.

  • Legal criteria include intent to cause terror or damage.

  • Allows prosecution for causing death, injury, property damage, or service disruption.

  • Prohibits any digital act that threatens national integrity or public safety.

Purpose and Rationale of IT Act Section 66F

This section aims to protect India’s digital infrastructure and citizens from cyber terrorism. It deters malicious actors from using technology to create fear or damage. The law ensures national security in the digital age by addressing emerging cyber threats.

  • Protects users and critical infrastructure.

  • Prevents cyber terrorism and digital attacks.

  • Ensures continuity of essential services.

  • Regulates harmful online behaviour threatening public safety.

When IT Act Section 66F Applies

Section 66F applies when cyber terrorism acts occur involving computer resources. It can be invoked by law enforcement or government agencies when digital threats to national security arise. Evidence must show intent and impact on security or public safety.

  • When unauthorized access or denial of access threatens India’s security.

  • Invoked by police, cybercrime units, or government authorities.

  • Requires digital evidence such as logs, metadata, or intercepted communications.

  • Relevant to computers, networks, or digital devices.

  • Exceptions do not apply to acts threatening sovereignty or essential services.

Legal Effect of IT Act Section 66F

Section 66F creates criminal liability for cyber terrorism acts. It restricts harmful digital conduct and grants authorities power to prosecute offenders. Penalties include imprisonment and fines. This section complements Indian Penal Code provisions on terrorism and violence.

Individuals or groups committing cyber terrorism face severe consequences. Companies and platforms must ensure security to avoid being exploited. The section strengthens legal frameworks against digital threats impacting national security.

  • Creates criminal offences related to cyber terrorism.

  • Penalties include imprisonment up to life and fines.

  • Supports prosecution alongside IPC anti-terrorism laws.

Nature of Offence or Liability under IT Act Section 66F

Section 66F imposes criminal liability for cyber terrorism. It is a cognizable and non-bailable offence. Arrests can be made without warrant due to the severity of the crime. The section demands strict enforcement to deter cyber threats.

  • Criminal liability for cyber terrorism acts.

  • Cognizable offence allowing police investigation without court permission.

  • Non-bailable due to serious nature.

  • Arrest without warrant permitted.

Stage of Proceedings Where IT Act Section 66F Applies

Section 66F applies throughout the criminal justice process. Investigation involves collecting digital evidence like logs and metadata. Complaints can be filed by affected parties or authorities. Trials focus on proving intent and impact. Appeals follow standard criminal procedure.

  • Investigation includes forensic analysis of digital data.

  • Evidence collection of computer records and communications.

  • Filing of complaints by police or government agencies.

  • Trial in sessions court with special cybercrime benches.

  • Appeal in higher courts as per criminal law.

Penalties and Consequences under IT Act Section 66F

Penalties under Section 66F are stringent due to the grave nature of cyber terrorism. Convictions can lead to imprisonment for life or a term up to life imprisonment. Fines may also be imposed. Corporate or intermediary liability arises if negligence contributes to offences.

  • Imprisonment up to life or for a specified term.

  • Monetary fines as determined by courts.

  • Corporate liability if responsible for security lapses.

  • Intermediary liability if knowingly involved or negligent.

  • Compensation to victims may be ordered.

Example of IT Act Section 66F in Practical Use

X, a hacker group, launches a cyberattack on a government power grid. They gain unauthorized access, disrupting electricity supply and causing widespread panic. Authorities invoke Section 66F to prosecute X for cyber terrorism. Digital forensic evidence links X to the attack, proving intent to threaten public safety and national security.

This case highlights how Section 66F addresses severe cyber threats. It enables law enforcement to act decisively against digital attacks that endanger lives and infrastructure.

  • Cyber terrorism includes attacks on critical infrastructure.

  • Section 66F empowers prosecution of digital threats to public safety.

Historical Background of IT Act Section 66F

The IT Act, 2000 was introduced to regulate electronic commerce and combat cybercrime. Section 66F was added to address emerging threats of cyber terrorism. The 2008 Amendment strengthened provisions against digital offences. Judicial interpretation has evolved to cover diverse cyber threats.

  • Introduced to regulate e-commerce and cybercrime.

  • Section 66F added to tackle cyber terrorism specifically.

  • 2008 Amendment enhanced cyber offence provisions.

Modern Relevance of IT Act Section 66F

In 2026, cybersecurity remains critical as cyber terrorism evolves. Data protection, fintech, and digital identity systems face threats. Social media and intermediaries require regulation to prevent misuse. Section 66F is vital for enforcing laws against digital terrorism and protecting national interests.

  • Digital evidence crucial for prosecution.

  • Ensures online safety against terrorism threats.

  • Challenges in enforcement due to technology advances.

Related Sections

  • IT Act Section 43 – Penalty for unauthorised access and data theft.

  • IT Act Section 66 – Computer-related offences.

  • IT Act Section 67 – Publishing obscene material online.

  • IPC Section 121A – Waging war against the government, relevant for terrorism.

  • Evidence Act Section 65B – Admissibility of electronic evidence.

  • CrPC Section 91 – Summons for digital records or documents.

Case References under IT Act Section 66F

No landmark case directly interprets this section as of 2026.

Key Facts Summary for IT Act Section 66F

  • Section: 66F

  • Title: Cyber Terrorism Offences

  • Category: Cybercrime, National Security

  • Applies To: Individuals, groups, hackers, cyber terrorists

  • Stage: Investigation, trial, appeal

  • Legal Effect: Creates criminal liability for cyber terrorism

  • Penalties: Life imprisonment, fines, corporate liability

Conclusion on IT Act Section 66F

Section 66F of the IT Act is a critical legal tool against cyber terrorism. It criminalizes digital acts that threaten India’s sovereignty, security, and public safety. The provision empowers authorities to investigate and prosecute serious cyber threats effectively.

As cyber threats grow more complex, Section 66F remains essential for national security. It complements other laws and adapts to evolving digital challenges. Users, businesses, and governments benefit from the protections this section offers against cyber terrorism.

FAQs on IT Act Section 66F

What acts constitute cyber terrorism under Section 66F?

Cyber terrorism includes unauthorized access or denial of access to computer resources with intent to threaten India’s security, cause injury, property damage, or disrupt essential services.

Who can be prosecuted under Section 66F?

Individuals or groups committing cyber terrorism acts using computers or networks can be prosecuted under this section.

What penalties does Section 66F prescribe?

Penalties include imprisonment up to life, fines, and possible corporate liability for negligence related to cyber terrorism.

Is Section 66F a cognizable offence?

Yes, Section 66F is a cognizable and non-bailable offence, allowing police to investigate and arrest without warrant.

How does Section 66F relate to other laws?

It complements IPC anti-terrorism laws and Evidence Act provisions, strengthening legal frameworks against cyber terrorism.

Related Sections

CrPC Section 18 defines 'Investigation' and outlines its scope and procedures under the Code of Criminal Procedure.

CrPC Section 137 empowers police to seize property used in committing a cognizable offence to aid investigation and prevent misuse.

IPC Section 168 penalizes public servants who unlawfully conceal documents or information, ensuring transparency and accountability.

CrPC Section 412 details procedures for search and seizure when a person absconds after conviction.

CrPC Section 147 defines the offence of rioting and its legal consequences under Indian law.

IPC Section 43 defines 'Voluntarily causing hurt' and outlines its scope and punishment under Indian law.

Companies Act 2013 Section 62 governs the procedure for further issue of shares by companies, ensuring compliance and protection of shareholders.

IPC Section 64 provides immunity from punishment for acts done by a child under seven years of age, ensuring protection for minors.

CPC Section 142 empowers the Supreme Court to pass any order necessary for ends of justice or to prevent abuse of process.

CrPC Section 374 outlines the procedure for filing appeals against convictions or sentences by Magistrates.

Evidence Act 1872 Section 148 defines the term 'confession' and its significance in legal proceedings.

Contract Act 1872 Section 68 explains liability for voluntary services done without contract.

CrPC Section 386 details the procedure for the execution of a sentence or order passed by a criminal court.

CrPC Section 253 empowers the High Court to transfer cases for fair trial and proper administration of justice.

IPC Section 5 defines the territorial scope of the Indian Penal Code, specifying where its provisions apply within and beyond India.

IPC Section 147 defines rioting, addressing unlawful assembly using force or violence to disturb peace.

Consumer Protection Act 2019 Section 2(19) defines unfair contract terms to protect consumers from exploitative agreements.

Companies Act 2013 Section 41 governs the issue of shares by companies, detailing allotment and transfer procedures.

Companies Act 2013 Section 84 governs the procedure for redemption of preference shares by companies in India.

CrPC Section 292 deals with the punishment for selling or distributing obscene materials, protecting public morality under Indian law.

Companies Act 2013 Section 153 governs the appointment of company secretaries and their roles in corporate compliance.

IPC Section 507 covers criminal intimidation by anonymous communication, protecting individuals from threats made without revealing the sender's identity.

CrPC Section 265G details the procedure for the disposal of property seized during investigation or trial.

Consumer Protection Act 2019 Section 95 empowers the Central Government to make rules for effective consumer protection enforcement.

IPC Section 150 defines the offence of assembling with intent to commit an offence, focusing on unlawful gatherings aimed at criminal acts.

IPC Section 321 defines 'Voluntarily causing hurt' and outlines its scope and punishment under Indian law.

Evidence Act 1872 Section 42 defines the admissibility of statements made by persons who cannot be called as witnesses.

bottom of page