Proofpoint reported at its Protect 2026 conference that generative AI is removing the behavioral tells (awkward language, reused templates, repeated infrastructure) that email filters have relied on. Attackers can now produce fluent, personalized, unique messages for each recipient, which weakens behavior-only detection. The vendor cites …
Cisco Talos disclosed an APT spear-phishing and quishing campaign, tracked as UAT-11985, that targets individuals affiliated with Taiwan research organizations. First seen in mid-2026, it uses fake event invitations to lead victims to an adversary-in-the-middle (AitM) phishing framework that harvests Google account credentials and MFA cod…
Symantec reports that the Russia-linked APT28 (aka BlueDelta, Fancy Bear, Forest Blizzard), tracked by Symantec as Swallowtail, targeted entities in two NATO member states. Victims include a law enforcement agency, a naval shipbuilder and a manufacturer of military aircraft engines. In the shipbuilder intrusion in late July 2026, operator…
Silent Lynx, tracked as UAT-6275 by Cisco Talos and TAG-193 by Recorded Future Insikt Group, has been linked to a new set of attacks on government organizations across the Commonwealth of Independent States. The activity ran from June 2025 through August 2026 and used four infection chains to deploy custom reverse shells (FoalShell, Chvos…
The threat actor behind the GhostAction supply chain campaign has expanded beyond malicious GitHub Actions workflows. According to OpenSourceMalware, it now phishes open-source maintainers and plants a second-stage credential stealer disguised as a font file. The shift appears to follow GitHub's October 9 block on the malicious workflow, …
This weekly recap covers several concurrent incidents. ConnectWise disabled seven application identities and suspended Cloud Backup after unknown actors abused them to compromise Microsoft 365 tenants. China-nexus Armory Castle (UNC5221 / Warp Panda) exploited BeyondTrust Remote Support flaw CVE-2026-102764 (CVSS 9.3) as a zero-day in lat…