Iranian cyber espionage disguised as a Chaos Ransomware attack

Iran-linked APT MuddyWater used ransomware-style tactics to mask espionage, combining phishing, credential theft, data exfiltration, and extortion without encryption. A newly discovered cyber intrusion attributed to the Iran-linked APT MuddyWater (aka SeedWorm, TEMP.Zagros, Mango Sandstorm, TA450, and Static Kitten) reveals how state-sponsored attackers are increasingly leveraging…

Cyber Briefing: 2026.05.06

Ongoing threats are characterized by the QLNX malware targeting developers and CISA’s warnings for infrastructure, while recent incidents include a 119K-user breach at Vimeo via a third-party vendor This article has been indexed from CyberMaterial Read the original article: Cyber…

Massive DDoS Attack Generates 2.45 Billion Requests Using 1.2 Million IP Addresses

A distributed denial-of-service attack targeted a major user-generated content platform, generating an astonishing 2.45 billion malicious requests in just 5 hours. Security provider DataDome successfully intercepted the assault in real time, ensuring legitimate users experienced no disruption. Threat researchers analyzing…