The Counter Threat Unit™ (CTU) research team analyzes security threats to help organizations protect their systems. Based on observations in July and August, CTU™...
Oct 22, 2025Ravie LakshmananCyber Espionage / Vulnerability
Threat actors with ties to China exploited the ToolShell security vulnerability in Microsoft SharePoint to breach a telecommunications...
Introduction
Cyberthreats are constantly evolving, and email phishing is no exception. Threat actors keep coming up with new methods to bypass security filters and circumvent...
previousMy next class:Reverse-Engineering Malware: Advanced Code AnalysisOnline | Greenwich Mean TimeOct 27th - Oct 31st 2025
Many Online Services and Websites...
Cybercriminals are abusing a widespread lack of authentication in the customer service platform Zendesk to flood targeted email inboxes with menacing messages that come...
In a significant crackdown against online cybercriminals, German authorities have successfully dismantled a network of fraudulent cryptocurrency investment sites that has targeted millions of...
Full Transcript
Brett Johnson, AKA Gollumfun (twitter.com/GOllumfun) was involved with the websites Counterfeit Library and Shadow Crew. He tells his story...
Counter Threat Unit™ (CTU) researchers are investigating multiple incidents in an ongoing campaign targeting users of the WhatsApp messaging platform. The campaign, which started...
