ISC Stormcast May 21 2026 green threat level, Jan Kopriva on duty

The content provides an overview of the ISC Stormcast for May 21st, 2026, highlighting the current threat level as green. The handler on duty is Jan Kopriva. It also features links for further information, including classes taught by Dr. Johannes Ullrich and various ISC resources such as diaries, podcasts, tools, and data activities related to cybersecurity.