When a developer tells an AI coding agent to “set up a GitHub MCP,” the agent has to pick a package. New research from Glow Labs documents sessions where it picked one out of an archived repository that will never be patched again. Source: Glow Security Reviewing real AI coding session transcripts, Glow Labs found deprecated MCP servers landing on developer machines, a pattern it calls MCPhantom. In 98% of those sessions, the agent appears … More
Source: Help Net Security · 2026-11-03
A tampered build of Anthropic’s Claude Code extension for VS Code-compatible editors planted an SSH backdoor on developers’ machines, researchers at macOS security firm Phorion have found. The company spotted the malicious package, version 2.1.313, on Open VSX, an open-source marketplace for VS Code extensions run by the Eclipse Foundation. VS Code’s default extension store is Microsoft’s Visual Studio Marketplace, where no malicious version has been reported. Its terms of use limit it to Microsoft’s … More
Source: Help Net Security · 2026-10-30
Attackers posing as IT help desk staff contacted employees by phone, email and Microsoft Teams in the third quarter of 2026 and talked them into opening remote access sessions, Cisco Talos Incident Response (Talos IR) found across several engagements. In one case, that access ended in ransomware. They knew names and email addresses “The attackers appeared to know employee names and email addresses, as they contacted users directly by email and Teams and used identities … More
Source: Help Net Security · 2026-10-30