Between February 2024 and August 2025, Sophos analysts investigated nearly 40 intrusions related to STAC6565, a campaign the analysts assess with high confidence is...
Cybersecurity attacks are rising sharply in 2025, and Microsoft has been one among many prominent targets. Research shows that 70 percent of M365 tenants...
All statistics in this report come from Kaspersky Security Network (KSN), a global cloud service that receives information from components in our security solutions...
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In July 2025, many of us were introduced to the Microsoft SharePoint exploit chain known as ToolShell. ToolShell exploits the deserialization and authentication bypass...
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’...
