When the „Autonomous Attacker“ Is Your Own AI Model https://isc.sans.edu/diary/When%20the%20%22Autonomous%20Attacker%22%20Is%20Your%20Own%20AI%20Model/33180 Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra https://www.cisa.gov/news-events/cybersecurity-advisories/aa26-204a https://cert.gov.ua/article/6318634 https://cybersecuritynews.com/hackers-abuse-notepad-plugins/ Chaos ransomware’s msaRAT: Living off the browser to build a covert C2 channel https://blog.talosintelligence.com/chaos-msarat-living-off-the-browser-to-build-covert-c2-channel/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich
Rondo Meets Geoserver https://isc.sans.edu/diary/Rondo%20Meets%20Geoserver/33176 Oracle July Patch Update https://www.oracle.com/security-alerts/cpujul2026.html OpenAI and Hugging Face partner to address security incident during model evaluation https://openai.com/index/hugging-face-model-evaluation-security-incident/ Checkpoint July 2026 Security Advisory (CVE-2026-16232) https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-check-point-smartconsole-authentication-bypass-cve-2026-16232/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich
Captive Portal Detection https://isc.sans.edu/diary/Captive%20Portal%20Detection/33172 Critical SolarWinds Serv-U Update https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm Zimbra Update with Critical Security Fixes https://blog.zimbra.com/2026/07/patch-release-update-zimbra-10-1-20/ Apple Fixed Hide My E-Mail Leak https://www.404media.co/apple-fixes-hide-my-email-vulnerability-after-404-media-coverage/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich
WordPress Exploitation Underway (CVE-2026-63030) https://isc.sans.edu/diary/WordPress%20Exploitation%20Underway%20%28CVE-2026-63030%29/33168 HOLLOWGRAPH: Turning Microsoft 365 Calendars into Covert Command-and-Control Channels https://www.group-ib.com/blog/hollowgraph-microsoft-365/ Gitea Vulnerablity CVE-2026-58443 https://github.com/go-gitea/gitea/security/advisories/GHSA-xxjv-752h-3vp2 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich