Security briefing: June 2026

Falco Feeds extends the power of Falco by giving open source-focused companies access to expert-written rules that are continuously updated as new threats are discovered. It’s the cybersecurity circle of life: there’s always something new and exciting to talk about, but most incidents are still rooted in familiar foundations. June brought the usual mix of credential mishaps, cloud misconfigurations, and opportunistic attackers, all leading to data loss. At the same time, we also saw more evidence of agentic threat actors (ATAs), several attackers jailbreaking LLMs, and one attacker building an autonomous offensive hacking tool using stolen AI compute. On June 8, the French Interministerial Directorate…