Microsoft has observed two named Chinese nation-state actors, Linen Typhoon and Violet Typhoon, exploiting vulnerabilities targeting internet-facing SharePoint servers. In addition, we have observed another China-based threat actor, tracked as Storm-2603, exploiting these vulnerabilities. Microsoft has released new comprehensive security updates for all supported versions of SharePoint Server (Subscription Edition, 2019, and 2016) that protect customers against these new vulnerabilities. Cust...| Microsoft Security Blog
By Chetan Raghuprasad and Vanja Svajcer, with contributions from Caitlin Huey. * Cisco Talos recently discovered a malicious campaign deploying variants of the Babuk ransomware predominantly affecting users in the U.S. with smaller number of infections in U.K., Germany, Ukraine, Finland, Brazil, Honduras and Thailand. * The actor of the| Cisco Talos Blog
Our latest findings indicate a definitive shift in the tactics of the North Korean APT group Lazarus Group.| Cisco Talos Blog