Full Transcript
MalwareTech was an anonymous security researcher, until he accidentally stopped WannaCry, one of the largest ransomware attacks in history....
Sophos analysts are investigating a persistent, multi-stage malware distribution campaign targeting WhatsApp users in Brazil. First observed on September 24, 2025, the campaign (tracked...
Nov 22, 2025Ravie LakshmananCyber Espionage / Cloud Security
The China-linked advanced persistent threat (APT) group known as APT31 has been attributed to cyber attacks targeting...
I’m pleased to share three significant updates that advance cybersecurity for organizations that rely on Microsoft technologies. These milestones expand the reach of Sophos’...
Introduction
Email remains the main means of business correspondence at organizations. It can be set up either using on-premises infrastructure (for example, by deploying Microsoft...
When people discuss the security implications of Unicode, International Domain Names (IDNs) are often highlighted as a risk. However, while visible and often talked...
