SecurityWeek Briefing

 "Microsoft Defender targeted by new 'ShieldCrash' Zero-Day.'"

Views expressed in this cybersecurity, cybercrime update are those of the reporters and correspondents.  Accessed on 12 September 2026, 1452 UTC.

Content and Source:  "SecurityWeek Briefing."

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Russ Roberts (https://www.hawaiicybersecurityjournal.net).

September 12, 2026

SATURDAY DEBRIEF

Sponsored by: Axonius

Microsoft Defender Targeted by New ‘ShieldCrash’ Zero-Day Organizations Warned of Cisco Secure FMC Exploitation Anthropic Researcher Resigns, Warns About the Dangers of AI New Phishing Attack Creates Malicious Pages Inside the Victim’s Browser US Warn China Is Systematically Extracting Frontier AI Capabilities Fortinet Code Execution Flaw Exploited in PivotC2 RAT Attacks Microsoft Patches Record 974 Vulnerabilities, Including Two Zero-Days AI Gives Lesser-Resourced Attackers Nation-State-Level Reach

People on the Move

Mandiant founder Kevin Mandia joins Amazon Board Anton Chuvakin has been appointed VP of Product Mgmt at Cisco Security Gigamon has named Grant Yacomeni as Chief Information Security Officer

The 2026 Gartner Hype Cycle for Security Operations names Axonius in the Exposure Assessment Platforms category.

More Headlines from the Week

Anthropic Says Russian Hackers Used Claude AI to Automate Malware Evasion Hacker Conversations: Vinnie Liu, Performer Turned Ringmaster Surfshark Systems Targeted by Hackers PaperCut Flaws Exploited in AI-Powered Attacks Webinar On-Demand: Keep Pace With AI – A New Operating Model for Endpoint Remediation Trezor Says 347,000 Users Received Phishing Emails After Brevo Hack ICS Patch Tuesday: Schneider Electric, Siemens Fix Critical Flaws Chipmaker Patch Tuesday: Nvidia, AMD, Arm Issue Security Advisories The Hidden Instructions That Can Hijack AI Agents Mandiant Founder Kevin Mandia Joins Amazon Board Check Point Patches Critical VPN Vulnerabilities Ukrainian Conti Ransomware Developer Sentenced to 4 Years in US Prison Kiteworks Acquires Bonfy.AI to Fill the AI Gap in Data Governance In Other News: InjectEave Attack, SIM Swapper Sentenced, Glasswing Findings Review Critical NetScaler Vulnerability Explåoited in Attacks Widened Scan Turns Up Fourth Rogue Claude Cyber Incident Deceptive Android Apps Exploit Google Play Early Access to Evade Reviews 4.1 Million Impacted by AdaptHealth Data Breach Cybersecurity M&A Roundup: 33 Deals Announced in August 2026 Ivanti Patches Critical Flaws Across Enterprise Security Products Meta Launches Personal AI Agent, Muse, Emphasizes Safety and Privacy Chrome 153 Patches Seventh Zero-Day of 2026 Android’s September 2026 Updates Patch 180 Vulnerabilities Adobe Patches Over 170 Vulnerabilities, Including Commerce Zero-Day SAP Patches Critical Extended Passport Processing Vulnerability Party’s Over for Crypto Scammers Who Went on a Spending Spree After a $240 Million Bitcoin Theft N-able Patches Critical Zero-Day in N-central MikroTik Patches Critical Flaws Chained to Hack Routers Cylake Raises $245 Million Ahead of Cybersecurity Platform Beta Hackers Return $263 Million Stolen From Liquid Network Mathspace Data Breach Exposes Over 1 Million People OpenAI Agents Hijack Another Victim Website Nightmare Eclipse Drops CrowdStrike, Nvidia, Avast Zero-Day Exploits North Korean Hackers Deploy New Linux Espionage Toolkit Adobe Commerce Zero-Day Exploited to Backdoor Online Stores Modified ScreenConnect Clients Used in Worm-Like Campaign Elementor Pro WordPress Plugin Vulnerability Exploited to Hack Sites OpenAI Pledges $1B to Bring Frontier AI to Critical Infrastructure Defenders

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