Advancing Cybersecurity for Microsoft Environments

September 22, 2025

What happens when a cybersecurity company gets phished?

A Sophos employee was phished, but we countered the threat with an end-to-end defense process

Security Operations

August 04, 2025

Rubrik & Sophos Enhance Cyber Resilience for Microsoft 365

Products & ServicesSecurity newsSecurity Operations

July 28, 2025

Sophos’ Secure by Design 2025 Progress

One year on, we are pleased to share progress on our secure-by-design commitments.

Security Operations

May 27, 2025

DragonForce actors target SimpleHelp vulnerabilities to attack MSP, customers

Ransomware actor exploited RMM to access multiple organizations; Sophos EDR blocked encryption on customer’s network

Security OperationsThreat Research

May 20, 2025

A familiar playbook with a twist: 3AM ransomware actors dropped virtual machine with vishing and Quick Assist

Another adversary picks up the email bombing / vishing Storm-1811 playbook, doing thorough reconnaissance to target specific employees with fake help desk call—this time, over the phone.

Security OperationsThreat Research

May 09, 2025

Lumma Stealer, coming and going

The high-profile information stealer switches up its TTPs, but keeps the CAPTCHA tactic; we take a deep dive

Security OperationsThreat Research

May 08, 2025

NICKEL TAPESTRY expands fraudulent worker operations

The North Korean IT worker scheme grows to include organizations in Europe and Asia and industries beyond the technology sector

Security OperationsThreat Research

April 17, 2025

Moving CVEs past one-nation control

A near-miss episode of attempted defunding spotlights a need for a better way

Security OperationsThreat Research

April 16, 2025

Sophos Annual Threat Report appendix: Most frequently encountered malware and abused software

These are the tools of the trade Sophos detected in use by cybercriminals over 2024

Security OperationsThreat Research