Ransomware attack continues to disrupt healthcare in London nearly two years later

A set of April 2026 security news items: a ransomware attack that hit South East London hospitals continues to disrupt care—more than 18 months later at least one NHS trust still lacks fully restored systems and faces large backlogs of delayed test results. International law enforcement coordinated a takedown and arrests across 20+ countries targeting ‘PowerOFF’ DDoS-for-hire platforms. Ukraine confirmed a suspected APT28 campaign abusing vulnerabilities in the open-source Roundcube webmail platform to achieve remote code execution when victims open emails, targeting prosecutors and anti‑coru͏