Cyber Security Weekly Newsletter – Outlook RCE, Palo Alto, Cisco 0-day and Windows 0-Day Flaws +20 Stories

This week’s roundup covers a record-setting Microsoft Patch Tuesday, an actively exploited Cisco firewall zero-day, a Lazarus-linked Windows kernel bug, and critical flaws across TP-Link, Palo Alto Networks, Fortinet, and VMware — plus a first-of-its-kind autonomous AI agent “hack” and a DEF CON in-flight Wi-Fi scare. Ransomware & Threat Actor Campaigns Gunra Ransomware Exploits Fortinet VPN Flaws to Bypass MFA A joint FBI, CISA, NSA, and South Korean advisory has exposed the Gunra ransomware group, a Conti-derived double-extortion operation that emerged in April 2025 and has since matured into a full ransomware-as-a-service model rebranded as “Golden Community.” Affiliates gain initial access...

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