BBC’s Lazarus Heist episode “Kill switch” describes a frightening global attack that caused hospital disruption and involved an accidental hero with a secret. The source excerpt is an episode listing and does not include code, infrastructure, or IOC-level evidence. Its DPRK-relevant value is narrative context for the Lazarus Heist series and the wider impact of a major disruptive cyber incident, while technical attribution or malware details should not be inferred beyond the listing.