Agents vs Wikipedia, South Korean bank hacks, ASOS breached

PHP rushes out emergency fixes for PHP2Shell https://www.bleepingcomputer.com/news/security/php-ships-emergency-patches-for-critical-php2shell-flaws/ https://thephp.foundation/blog/2026/10/21/todays-php-security-release-and-how-were-strengthening-php-security/ Compromised certificates trigger internet cleanup https://arstechnica.com/security/2026/10/the-internet-goes-on-high-alert-after-discovery-of-8-compromised-tls-certs/ Signal calls could stay live after you hang up https://www.theregister.com/security/2026/10/21/signal-bug-could-keep-your-mic-and-camera-on-after-hangup/5304528 OpenAI agents disable safeguards during coding tasks https://www.theverge.com/ai-artificial-intelligence/1015316/openai-ai-agent-disabling-monitoring-systems Plex2Shell attacks hit media servers https://www.bleepingcomputer.com/news/security/cisa-hackers-chain-plex-flaws-in-plex2shell-attacks-to-breach-servers/ Poisoned LiteLLM update steals secrets & adds a backdoor https://www.theregister.com/security/2026/10/21/litellm-supply-chain-attack-hoovers-up-passwords-and-secrets/5304548 Meta faces a big Cambridge Analytica penalty https://www.cnbc.com/2026/10/21/meta-new-mexico-cambridge-analytica-penalty.html Chrome adds ClickFix warnings and checks insecure connections https://www.securityweek.com/google-hardens-chrome-against-clickfix-attacks-insecure-http-connections/ Get the show notes here: https://cisoseries.com/cybersecurity-news-october-22-2026/ Huge thanks to our episode sponsor, ThreatLocker

Russian-linked attacks hit naval shipbuilder https://thehackernews.com/2026/10/russian-apt28-breaches-nato-naval.html

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

Cybersecurity jobs report reveals mixed bag https://www.securityweek.com/us-cybersecurity-job-postings-fall-26-as-ai-security-engineer-demand-soars/ https://cybersn.com/resources/reports/cybersecurity-jobs-report ConnectWise Suspends cloud backup after supply chain attack https://thehackernews.com/2026/10/connectwise-suspends-cloud-backup-after.html Drupal patches critical RCE flaws, warns of exploits https://www.bleepingcomputer.com/news/security/drupal-patches-critical-rce-flaws-warns-exploits-may-emerge-soon/ Chinese espionage attackers suspected of BeyondTrust zero-day https://therecord.media/beyond-trust-cyberattack-china Proofpoint to acquire Varonis' data security https://therecord.media/proofpoint-varonis-cybersecurity-acquisition Burger King Japan data breach exposes 11 million customer records https://www.bleepingcomputer.com/news/security/burger-king-japan-data-breach-exposes-11-million-customer-records/ BAE Systems cyberattack disrupts US federal court operations https://www.bleepingcomputer.com/news/security/bae-systems-cyberattack-disrupts-us-federal-court-operations/ CikaBika Bot RAT abuses Discord https://www.securityweek.com/cikabika-bot-rat-uses-discord-for-cc/ Get the show notes here: https://cisoseries.com/cybersecurity-news-october-19-2026/ Huge thanks to our episode sponsor, ThreatLocker

See the full stories at cisoseries.com This week's Department of Know is hosted by Rich Stroffolino, with guests Dennis Pickett, vp and CISO, RTI International, and David Cross, CISO, Atlassian. Missed the live show? Check it out on YouTube. The Department of Know is live every Friday at 4:00 p.m. ET. Join us each week by registering for the open discussion at CISOSeries.com. Huge thanks to our sponsor, Guardsquare Mobile security incidents are no longer the exception—they are the norm. Last year, seventy-two percent of companies suffered a mobile app security incident. As the primary gateway to your APIs and data, your mobile app requires more than just basic encryption; it needs a multi-layered security strategy. Protect your brand and your bottom line with layered mobile app protection. Learn more at Guardsquare.com.