Starting in December 2024, leading up to some of the busiest travel days, Microsoft Threat Intelligence identified a phishing campaign that impersonates online travel agency Booking.com […]
In early December 2024, Microsoft Threat Intelligence detected a large-scale malvertising campaign that impacted nearly one million devices globally in an opportunistic attack to steal information. […]
After co-opting the tools and infrastructure of another nation-state threat actor to facilitate espionage activities, as detailed in our last blog, Russian nation-state actor Secret Blizzard […]
Based on both Microsoft Threat Intelligence’s findings and those reported by governments and other security vendors, we assess that the Russian nation-state actor tracked as Secret […]
This year at CYBERWARCON, Microsoft Threat Intelligence analysts are sharing research and insights representing years of threat actor tracking, infrastructure monitoring and disruption, and attacker tooling. […]
Since August 2023, Microsoft has observed intrusion activity targeting and successfully stealing credentials from multiple Microsoft customers that is enabled by highly evasive password spray attacks. […]