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CISO Series

Daily stories from the world of information security. To delve into any daily story, head to CISOseries.com.

3368 - HTTP2Shell emergency updates, PHP2Shell attacks, GitHub worm
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  • 3368 - HTTP2Shell emergency updates, PHP2Shell attacks, GitHub worm

    HTTP2Shell sparks emergency patches https://www.bleepingcomputer.com/news/security/critical-http2shell-brotli-vulnerability-triggers-emergency-patches/

    PHP2Shell: patch, then investigate https://www.securitymagazine.com/articles/102693-php2shell-exploited-in-the-wild

    GitHub worm hides in oversized files https://www.theregister.com/security/2026/10/26/worm-armed-42-github-repos-by-hiding-a-payload-too-big-to-fail/5305570

    Cathedral gets inside Anthropic https://www.washingtonpost.com/technology/2026/10/26/researchers-cybersecurity-start-up-cathedral-got-inside-anthropic/?pwapi_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJyZWFzb24iOiJnaWZ0IiwibmJmIjoxNzkyOTg3MjAwLCJpc3MiOiJzdWJzY3JpcHRpb25zIiwiZXhwIjoxNzk0MzczMTk5LCJpYXQiOjE3OTI5ODcyMDAsImp0aSI6ImI1M2RjZmEzLThkNTItNGE3NC05ZjI4LWU1ZGJkZTIyZDFmOSIsInVybCI6Imh0dHBzOi8vd3d3Lndhc2hpbmd0b25wb3N0LmNvbS90ZWNobm9sb2d5LzIwMjYvMTAvMjYvcmVzZWFyY2hlcnMtY3liZXJzZWN1cml0eS1zdGFydC11cC1jYXRoZWRyYWwtZ290LWluc2lkZS1hbnRocm9waWMvIn0.k3b70wv6ePisrPvCYfDOPAjt5vHweVxm4rBnhcnDU-M

    Ukraine's satellite service returns https://therecord.media/ukraine-disputes-musk-claims-of-starlink-misuse

    Gheist raids GitHub secrets https://www.darkreading.com/cyberattacks-data-breaches/gheist-stolen-github-tokens-cloud-secrets

    Fake Teams support delivers ransomware https://thehackernews.com/2026/10/attackers-use-microsoft-teams-it.html

    Scam laundering suspect extradited https://therecord.media/dutch-police-extradite-chinese-national-money-laundering-scams

    Get the show notes here:

    https://cisoseries.com/cybersecurity-news-october-27-2026/

    Huge thanks to our sponsor, Guardsquare

    Your backend is only as secure as your frontend. Research shows that client-side compromise is now a primary driver of API risk. With sixty-three percent of leaders detecting mobile app tampering or cloning last year, don't leave your mobile app security to chance. Get multilayered protection for your entire mobile app ecosystem from the outside in. Learn more at Guardsquare.com.

    Tue, 27 Oct 2026 - 07min
  • 3367 - AI-powered phishing detection, third PHP2Shell bug, Quest medical breach

    Microsoft Teams to get AI-powered, context-aware phishing detection

    https://www.bleepingcomputer.com/news/microsoft/microsoft-teams-to-get-ai-powered-context-aware-phishing-detection/

    Quest Diagnostics confirms data breach including exposed patient records

    https://www.bleepingcomputer.com/news/security/quest-diagnostics-confirms-data-breach-exposed-patient-records/

    Senators say targeted ads are a security risk. Ad groups disagree

    https://cyberscoop.com/targeted-ads-spyware-government-threat/

    Bipartisan bill urges federal guidance for distillation attacks

    https://cyberscoop.com/bipartisan-bill-combat-ai-distillation-attacks-nist/

    CISA adds Collabora Online and Arista VeloCloud flaws to KEV

    https://thehackernews.com/2026/10/cisa-flags-two-actively-exploited.html

    Autonomous attack agent in Skynet mode hijacks other AI models

    https://www.theregister.com/security/2026/10/24/autonomous-attack-agent-in-skynet-mode-hijacks-other-models-to-carry-out-its-evil-deeds/5305215

    Researchers find a third PHP2Shell bug

    https://www.theregister.com/security/2026/10/23/theres-a-third-php2shell-bug-but-it-wont-get-an-emergency-fix/5305208

    Data breach takes a bite out of crime stoppers organization

    https://therecord.media/toronto-crime-tips-org-freezes-ops-after-breach

    Get the shownotes here: https://cisoseries.com/cybersecurity-news-ai-powered-phishing-detection-third-php2shell-bug-quest-medical-breach/

    Mobile app security isn't just a tech issue; it's a revenue issue. A recent global study found that seventy-two percent of organizations experienced a mobile app security incident last year. Even worse? Sixty-five percent saw customer churn or uninstalls as a result. Protect your brand and your bottom line with layered mobile app protection. Learn more at Guardsquare.com.

    Mon, 26 Oct 2026 - 08min
  • 3366 - The Department of Know: PHP2Shell strikes, EU EOL still SOL, Cairn used in cyberattacks

    Read the full stories at CISOSeries.com.

    This week's Department of Know is hosted by Rich Stroffolino, with guests Gary Chan, CISO, SSM Health, and Doug Mayer, CISO, RXSense.

    Also check out Gary's work at Security Mentalist.

    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.

    Big thanks to our sponsor, ThreatLocker!

    An AI-generated attack may be new, but it still needs to execute, access data, and move through your environment. ThreatLocker applies enforceable controls at each of those points, limiting what attackers can do regardless of how their code was created. Book a demo at threatlocker.com/ciso.
    Fri, 23 Oct 2026 - 37min
  • 3365 - PHP vulnerabilities update, ConnectWise AI spies, Africa cybercrime takedown

    Railway says intruder may have accessed customer secrets

    https://thehackernews.com/2026/10/railway-says-intruder-may-have-accessed.html

    Law enforcement disrupts nearly 11,000 cybercrime networks in Africa

    https://www.bleepingcomputer.com/news/security/authorities-disrupt-nearly-11-000-cybercrime-networks-in-africa/

    ConnectWise breach let Chinese AI spies move in on cloud tenants

    https://www.theregister.com/security/2026/10/22/microsoft-says-connectwise-breach-let-chinese-spies-loose-on-2250-cloud-tenants/5304687

    GitLab warns of new maximum severity code execution vulnerability

    https://www.bleepingcomputer.com/news/security/gitlab-warns-of-new-max-severity-code-execution-vulnerability/

    Hundreds of websites taken offline due to PHP vulnerabilities (continuing coverage)

    https://therecord.media/php-script-vulnerabilities-warnings

    https://www.bleepingcomputer.com/news/security/amazon-says-php2shell-exploitation-began-4-days-before-patches/

    Splunk, SolarWinds release fresh security updates

    https://www.securityweek.com/splunk-solarwinds-release-fresh-security-updates/

    Lazarus hackers use post-quantum cryptography for malware delivery

    https://www.bleepingcomputer.com/news/security/chrome-switching-to-nist-approved-ml-kem-quantum-encryption/

    South Carolina officials offer assistance after state capital hit with cyberattack

    https://therecord.media/south-carolina-officials-offer-assistance-cyber-incident

    Get the show notes here: https://cisoseries.com/cybersecurity-news-october-23-2026/

    Huge thanks to our episode sponsor, ThreatLocker

    AI risk does not only come from attackers. Employees are adopting AI tools faster than many organizations can evaluate them. Today's tip: an AI policy should be backed by enforceable controls over what tools can access and do. See how ThreatLocker can help you govern AI use at threatlocker.com/ciso.

    Fri, 23 Oct 2026 - 07min
  • 3364 - PHP emergency patches, compromised TLS certificates, Signal hot mic bug

    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

    AI is compressing the timeline between initial access and impact. That leaves security teams less time to identify, investigate, and contain malicious activity. Faster response helps, but prevention can remove actions from the attack chain entirely. Give your responders a more controlled environment. Book a ThreatLocker demo at threatlocker.com/ciso.

    Thu, 22 Oct 2026 - 07min
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