The Russian Federal Security Service, known as FSB, is the principal security agency in Russia. It is responsible for counterintelligence, internal security, and combating terrorism. The FSB also oversees border security and surveillance, playing a crucial role in maintaining national security. Established in 1995, the FSB succeeded the KGB, the Soviet-era security agency. It operates under the jurisdiction of the President of Russia and has significant influence in political and economic matters. The agency is involved in various operations, including intelligence gathering and law enforcement, to protect the state from internal and external threats.