CISA, the US Cybersecurity and Infrastructure Security Agency, has issued a new warning that cybercriminals and state-backed hacking groups are using spyware to compromise...
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 25, 2025Ravie LakshmananData Exposure / Cloud Security
New research has found that organizations in various sensitive sectors, including governments, telecoms, and critical infrastructure, are...
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...
Full Transcript
MalwareTech was an anonymous security researcher, until he accidentally stopped WannaCry, one of the largest ransomware attacks in history....