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Intrusions


71 Posts

New Campaign Weaponizes Microsoft Teams for Remote Access

Unlike standard commodity malware that aims for quick credential theft, this campaign features a manual, hands-on-keyboard scheme designed to escalate rapidly from a single compromised workstation to broad, network-wide access.

By Dennis Fisher

September 3, 2026 | 2 min read

MalwareMicrosoftRansomware

OpenAI, Anthropic AI Agents Performed ‘Unsanctioned’ Actions During Cyber Tests

OpenAI and Anthropic models made "unsanctioned" actions during tests by the AI Security Institute. Here's what we know.

By Lindsey O'Donnell-Welch

August 17, 2026 | 5 min read

AI

OpenAI-Hugging Face Breach: Five New Things We Learned

New details emerged this week about an intrusion by OpenAI models on Hugging Face's infrastructure.

By Lindsey O'Donnell-Welch

July 30, 2026 | 4 min read

Hugging FaceOpenAI

The Joy and Pain of OT Cybersecurity: A Conversation With Lesley Carhart

Lesley Carhart has been cleaning up malware, intrusions, ransomware, and other messes in OT networks for the better part of two decades and recently joined Dennis Fisher on the Decipher podcast to talk about the special challenges OT networks present

By Dennis Fisher

July 17, 2026 | 4 min read

OT security

Chinese APT UAT-7810 Expands Malware Arsenal

The investigation into UAT-7810 shows significant evolution in their toolkit, specifically the development of a successor to their previously documented SHORTLEASH backdoor.

By Dennis Fisher

July 7, 2026 | 2 min read

ChinaMalware

Evil Is as Evil Does: New EvilTokens Affiliate Panel Uncovered

This new ARToken operator panel has a clear lineage going back to the EvilTokens framework, which emerged in early 2026.

By Dennis Fisher

July 1, 2026 | 3 min read

MalwareMicrosoft
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