We use some essential cookies to make this website work. Known by the online monikers ‘Bullet’ and ‘m2686’This action was taken in coordination with the US, where these key cybercriminals have also been sanctioned, and is a continuation of joint efforts by the UK and US to disrupt and impose costs on high harm cyber criminals. The NCSC has published free and actionable advice for organisations of all sizes on how to put robust defences in place to protect their networks