The Counter Threat Unit™ (CTU) research team analyzes security threats to help organizations protect their systems. Based on observations in May and June, CTU™...
Cybersecurity researchers have shed light on a novel attack chain that employs phishing emails to deliver an open-source backdoor called VShell.
The "Linux-specific malware infection...
Summary
In September 2024, we detected malicious activity targeting financial (trading and brokerage) firms through the distribution of malicious .scr (screen saver) files disguised as...
A 22-year-old Oregon man has been arrested on suspicion of operating “Rapper Bot,” a massive botnet used to power a service for launching distributed...
Microsoft on Tuesday announced 109 patches affecting 16 product families. Eighteen of the addressed issues are considered by Microsoft to be of Critical severity,...
Aug 13, 2025Ravie LakshmananMalvertising / Cryptocurrency
Cybersecurity researchers have discovered a new malvertising campaign that's designed to infect victims with a multi-stage malware framework called...
Cybersecurity attacks are rising sharply in 2025, and Microsoft has been one among many prominent targets. Research shows that 70 percent of M365 tenants...