FBI Says China-Linked Hackers Ran Portal Giving Third Parties Access to Stolen Emails

The feed reports a broad set of October 2026 cybersecurity developments, including Chinese- and Russia-linked espionage, phishing and credential theft, malicious browser extensions and npm packages, ransomware fraud, exposed AI infrastructure, active exploitation of critical vulnerabilities, and malware campaigns targeting servers and organizations worldwide. Key urgent items include a CVSS 10.0 SonicWall SMA1000 pre-authentication SSRF, an unpatched unauthenticated remote-code-execution flaw in LMCache, active exploitation of Atlassian Data Center flaw CVE-2026-21589, ongoing Fortinet device-