https://defend.network/briefings/linux-kernel-nextcloud-rce-shinyhunters-arrests-2026-10-16.html defend.network en 2026-10-16T06:30:00Z PwnEscape kernel RCE, Nextcloud backdoors, ShinyHunters arrests https://defend.network/briefings/cisco-nextcloud-phishing-platforms-north-korea-fraud-2026-10-15.html defend.network en 2026-10-15T06:30:00Z Cisco Email Gateway RCE exploited; Nextcloud backdoors; 3 phishing platforms disrupted https://defend.network/briefings/microsoft-ivanti-openai-insider-threat-patch-tuesday-2026-10-14.html defend.network en 2026-10-14T06:30:00Z Microsoft 1,411-flaw Patch Tuesday; Ivanti zero-day root access; OpenAI spy device arrest