
The Agence nationale de la sécurité des systèmes d'information is a French service created on 7 July 2009 with responsibility for computer security.

The General Intelligence and Security Service is the intelligence and security agency of the Netherlands, tasked with domestic, foreign and signals intelligence and protecting national security. It can be seen as the Dutch equivalent of the FBI, although it does not have any law enforcement capabilities itself.

The National Cyber Security Centre (NCSC) is a government computer security organisation in Ireland, an operational arm of the Department of the Environment, Climate and Communications. The NCSC was developed in 2013 and formally established by the Irish government in July 2015. It is responsible for Ireland's cyber security, with primary focus on securing government networks, protecting critical national infrastructure, and assisting businesses and citizens in protecting their own systems. The NCSC incorporates the Computer Security Incident Response Team (CSIRT-IE).

The National Cyber Security Authority (NCSA), located within the Prime Minister's office, was an Israeli security entity responsible for protecting the Israeli civilian cyber space, during 2016-2018. The NCSA provided incident handling services and guidance for all civilian entities as well as all critical infrastructures in the Israeli economy, and works towards increasing the resilience of the civilian cyber space.

The National Cyber Security Centre of Lithuania is a government internet security organization in Vilnius, Lithuania. The Centre is part of the Ministry of National Defence. It analyses the cyber security environment in Lithuania, protects national databases, manages internet operations of national organizations, prepares cyber security plans and investigates internet attacks.

The National Cyberdefence Centre is a German government agency established to respond to attacks on governmental and economical IT-Infrastructure in Germany.

National Cybersecurity Authority, National Cyber Security Authority, or the Saudi National Cybersecurity Authority, is a government security entity which focuses primarily on computer security in the Kingdom and is directly linked to the King's office.

The National Cyber Security Division (NCSD) is a division of the Office of Cyber Security & Communications, within the United States Department of Homeland Security's Cybersecurity and Infrastructure Security Agency. Formed from the Critical Infrastructure Assurance Office, the National Infrastructure Protection Center, the Federal Computer Incident Response Center, and the National Communications System, NCSD opened on June 6, 2003. The NCSD mission is to collaborate with the private sector, government, military, and intelligence stakeholders to conduct risk assessments and mitigate vulnerabilities and threats to information technology assets and activities affecting the operation of the civilian government and private sector critical cyber infrastructures. NCSD also provides cyber threat and vulnerability analysis, early warning, and incident response assistance for public and private sector constituents. NCSD carries out the majority of DHS’ responsibilities under the Comprehensive National Cybersecurity Initiative. The FY 2011 budget request for NCSD is $378.744 million and includes 342 federal positions. The current director of the NCSD is John Streufert, former chief information security officer (CISO) for the United States Department of State, who assumed the position in January 2012.

United States Cyber Command (USCYBERCOM) is one of the eleven unified combatant commands of the United States' Department of Defense. It unifies the direction of cyberspace operations, strengthens DoD cyberspace capabilities, and integrates and bolsters DoD's cyber expertise.