
MDR

Preventing business disruption and building cyber-resilience with MDR
Given the serious financial and reputational risks of incidents that grind business to a halt, organizations need to prioritize a prevention-first cybersecurity strategy 09 Sep 2025 • , 4 min. read Threat actors are on a roll. They’ve optimized supply chains. Their ranks are growing thanks to pre-packaged services that lower the barriers to entry…

The need for speed: Why organizations are turning to rapid, trustworthy MDR
How top-tier managed detection and response (MDR) can help organizations stay ahead of increasingly agile and determined adversaries 19 Aug 2025 • , 5 min. read How long does it take for threat actors to move from initial access to lateral movement? Days? Hours? Unfortunately, the answer for many organizations is increasingly “minutes.” In fact,…

Sophos MDR: New analyst response actions for Microsoft 365
Businesses of all sizes are increasingly reliant on productivity tools like Microsoft 365 — and attackers are using this to their advantage. Business email compromise and account takeover attacks are prevalent, with adversaries accessing M365 environments using techniques that may evade detection by technology alone. Organizations need 24/7 visibility and a fully staffed security operations…

Sophos MDR tracks two ransomware campaigns using “email bombing,” Microsoft Teams “vishing”
Sophos X-Ops’ Managed Detection and Response (MDR) is actively responding to incidents tied to two separate groups of threat actors, each of which have used the functionality of Microsoft’s Office 365 platform to gain access to targeted organizations with the likely goal of stealing data and deploying ransomware. Sophos MDR began investigating these two separate…