The Last Ones is a threat campaign tracked across 2 threat clusters and 3 intelligence report mentions on ThreatCluster. First observed April 22, 2026; most recent activity May 14, 2026.
Recent findings from the UK AI Security Institute (AISI) reveal that advanced AI models, specifically Anthropic's Claude Mythos Preview and OpenAI's GPT-5.5, have surpassed previous benchmarks for autonomous…
Mozilla has reported that Anthropic's Claude Mythos AI model discovered 271 vulnerabilities in the Firefox browser during internal testing. This significant finding comes as part of the release of Firefox 150, following…