The successor to the KGB, the FSB is Russia’s latest internal security installment, reorganised to continue protecting its civilians and to stomp out any perceived dissent.Made up mainly of the Border Guard Service, it specialises in military and foreign counterintelligence, counterterrorism, economic state security, and internet monitoring. But how do they operate, why do members call themselves by their early predecessor name the ‘chekists’, and why are they still significant today?