Cyber Daily News for June 23, 2026

Cyber Daily News for June 23, 2026 Cyber Daily News is also available via podcast! https://feeds.transistor.fm/cyber-daily-news Stories mentioned in today's briefing: - Anthropic's Mythos AI reportedly breached nearly all NSA classified systems https://securityaffairs.com/194016/ai/anthropics-mythos-ai-broke-into-almost-all-nsa-classified-systems-in-hours.html - Squidbleed: 29-Year-Old Squid Proxy Bug Leaks User Credentials https://securityaffairs.com/194041/hacking/squidbleed-29-year-old-squid-bug-leaks-user-credentials.html - Russian Initial Access Broker Behind FortiBleed Campaign https://www.securityweek.com/russian-initial-access-broker-behind-fortibleed-campaign/ - Scattered Spider Teens Convicted of TfL Cyber-Attack https://www.infosecurity-magazine.com/news/scattered-spider-teens-convicted/ - Five Eyes Group Issues Urgent Call to Tackle Frontier AI Threats https://www.infosecurity-magazine.com/news/five-eyes-issues-urgent-call/ - ShapedPlugin Supply Chain Attack Backdoors Pro Plugin Updates https://securityaffairs.com/194059/hacking/shapedplugin-supply-chain-attack-backdoors-pro-plugin-updates.html - WhatsApp Malware Campaign Hijacks Trust, Installs Legitimate Admin Tools https://securityaffairs.com/194031/malware/whatsapp-malware-campaign-hijacks-trust-installs-legitimate-admin-tools.html - Trump Signs Executive Order Accelerating Post-Quantum Cryptography Migration https://www.securityweek.com/trump-signs-executive-order-accelerating-post-quantum-cryptography-migration/