OpenCode keys exposed, AI agents raid websites, Rank Math backdoor

OpenCode breach exposes users' AI keys https://www.bleepingcomputer.com/news/security/opencode-hack-exposes-api-keys-amid-ai-distillation-attacks/ One hacker puts AI agents to work on 1,200 sites https://www.reuters.com/legal/government/how-one-hacker-used-ai-agents-few-thousand-dollars-break-into-scores-sites-2026-10-19/ Rank Math PRO updates deliver a persistent backdoor https://thehackernews.com/2026/10/popular-wordpress-seo-plugin-rank-math.html Nikkei discloses its third breach in a month https://www.bleepingcomputer.com/news/security/nikkei-discloses-third-data-breach-in-a-month-18m-records-exposed/ Microsoft adds controls for rogue AI agents https://www.geekwire.com/2026/microsoft-unveils-tools-to-monitor-and-corral-rogue-ai-agents/ ClickFix attackers borrow Siemens' signature https://www.securityweek.com/siemens-software-center-vulnerability-exploited-in-clickfix-malware-attacks/ Pegasus targets Serbian government critics before elections https://therecord.media/serbia-spyware-pegasus-elections Bullhorn takes staffing platform offline after attack https://www.bleepingcomputer.com/news/security/bullhorn-takes-staffing-platform-offline-to-contain-cyberattack/ Get the show notes here: https://cisoseries.com/cybersecurity-news-october-20-2026/ **Huge thanks to our episode sponsor, ThreatLocker**  *An attacker uses AI to create a payload your security tools have never seen. Detection now has to recognize it before the payload can act. ThreatLocker approaches the problem earlier by controlling whether that code is permitted to run at all. Explore a deny by default approach for your organization at threatlocker.com/ciso.*