The protection of state secrets is one of the functions of the Security Service of Ukraine.

The SSU is responsible for safeguarding classified information whose unauthorised disclosure could undermine Ukraine’s national security. This includes information related to national defence, the economy, science and technology, foreign relations, and state security.

Since the beginning of russia’s full-scale invasion, the importance of this mission has increased significantly. Ensuring the reliable protection of information concerning defence industry enterprises, advanced weapons systems, and other information critical to the defence of Ukraine remains a top priority.

The SSU continuously works to identify and eliminate vulnerabilities that could lead to the disclosure, compromise, or loss of classified information. It also detects and neutralises the causes and conditions that may result in the leakage of state secrets.

The Security Service of Ukraine regularly informs the country’s leadership and executive authorities of existing and emerging risks to the protection of state secrets, enabling them to take timely and effective decisions.

Where appropriate, the SSU exchanges restricted-access information with international partners, particularly those providing assistance to Ukraine in countering russian aggression.

International Agreements on Protection of Classified Information