Dr. Johannes Ullrich on Duty as ISC Threat Level Stays Green

The page features information about Dr. Johannes Ullrich, who is the handler on duty, with a current threat level indicated as green. It includes links to previous and next entries in the ISC diary, details about an ISC Stormcast podcast for July 29th, 2026, and options for user engagement through comments. Additional resources linked include classes taught by Dr. Ullrich for SANS, various tools, and information on upcoming job postings. It also provides access to related data, archives, and contact information.