Cybersecurity Incidents Reported: Council of Europe Attack, M365 Copilot Data Leak, and ReCAPTCHA Bypass

The Council of Europe confirmed a cyberattack on its systems, though no specific threat actor or attack vector was disclosed. Microsoft’s M365 Copilot was found to leak sensitive data in certain configurations, including internal documents and user prompts, due to improper access controls. Researchers demonstrated a method to bypass ReCAPTCHA challenges using hand gesture recognition via webcam, achieving an 83% success rate in controlled tests. The incidents were reported on June 16, 2026, with no exact dates provided for the initial breaches or disclosures. No CVE IDs or specific technical vulnerabilities were mentioned in the reported cases.