vishing
A familiar playbook with a twist: 3AM ransomware actors dropped virtual machine with vishing and Quick Assist
Ransomware is usually a crime of opportunity. Attackers typically strike through an easily-discovered vulnerability or security weakness— unpatched Internet-facing software, vulnerable network edge devices or exposed inbound virtual private network ports lacking multifactor authentication are among the most common points of initial compromise. However, some attacks appear much more targeted and include significant pre-attack reconnaissance…
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…