Critical Copilot vulnerability allowed hackers to seal 2FA code from users

SearchLeak exploit shows why the industry's approach to LLM security fails over and over. https://arstechnica.com/security/2026/06/critical-copilot-vulnerability-allowed-hackers-to-seal-2fa-code-from-users/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social