InfoSecBulletin Cybersecurity for mankind

Microsoft has admitted that a coding bug accidentally allowed Copilot Chat to access and summarize confidential emails. Microsoft said that a bug in Microsoft 365 Copilot allowed the AI assistant to access private emails, raising serious privacy issues for companies using the service. Bleeping Computer reports, the flaw bypasses data loss …

Amazon Threat Intelligence observed that a Russian-speaking hacker used generative AI services to compromise over 600 FortiGate devices in 55 countries between January 11 and February 18, 2026. The attack did not exploit FortiGate vulnerabilities but targeted exposed management ports and weak, single-factor authentication, enabling a less-skilled attacker to exploit …

The French national bank account registry was breached in late January 2026, with a potential exposure of 1.2 million accounts, according to a press release. A threat actor stole credentials from an official to access a database of bank accounts at French banks. The compromised data might include: Bank account …