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About us

• About the directorate
• Home Office ministers
• Freedom of information

Counter-terrorism strategy

• About the counter-terrorism strategy
  • Threat levels
• Preventing extremism
• Disrupting terrorist activity
• Border security
• Surveillance
  • Why surveillance is used
  • Types of surveillance
  • Regulation of surveillance
• Working with partners
  • First responders - the tacticians' forum
  • Communities
  • Business
  • International
  • Protecting the critical national infrastructure
  • National Counter Terrorism Security Office

Responding to a terrorist incident

• The national response
  • Exercise programme
  • Communicating with the public
• The regional response
• Managing consequences
  • Dealing with fatalities
  • Assistance centres
  • Media involvement

Science and innovation

• Science and innovation strategy and policy
• Scientific advice
• Chemical, biological, radiological and nuclear science and technology
• Radiation screening at ports and airports

Chemical, Biological, Radiological, Nuclear Resilience

• Managing the Programme
• Detection and identification of materials
• Decontamination
• Equipping and training the emergency services

Legislation

• Current legislation
  • Terrorism Act 2006
  • Prevention of Terrorism Act 2005
  • Anti-terrorism Crime and Security Act 2001
  • Terrorism Act 2000
  • Regulation of Investigatory Powers Act 2000
• Proposed new legislation
• Independent review of legislation

News and publications

• Latest news and speeches
• Publication search

Home

• About RIPA
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• Interception
  • Use of interception
  • Warrantry
  • Technical Advisory Board
• Communications data
  • Obtaining and disclosing data
  • Retaining data
  • Code of practice
• Covert surveillance
• Encryption
  • Types of encryption
  • Types of keys and their uses
  • Disclosure of keys
  • How encryption is used
  • National Technical Assistance Centre (NTAC)
  • Frequently asked questions
• Legislation
  • Protecting human rights
  • RIPA statutory instruments
• Publications