GCHQ “Putin Tax” report warns Russian activity costs UK up to £2.5bn a year “Putin Tax” report warns Russian activity costs UK up to £2.5bn a year Hybrid wars 7 Oct 2026 UK and partners warn of zero-click phishing campaign targeting Western organisations UK and partners warn of zero-click phishing campaign targeting Western organisations National Cyber Security Centre (NCSC) 28 Jul 2026 Critical UK sectors targeted by Russian cyber actors Critical UK sectors targeted by Russian cyber actors Cyber security 17 Jul 2026
