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Kasseika, the latest ransomware kid on the block, is using a sneaky trick called BYOVD to disarm your defenses before encrypting your files! It even

Chinese cyberespionage group hacks US organisations with Exchange zero-day flaws Microsoft believes Chinese APT group Hafnium is using a set of previously unknown Exchange Server vulnerabilities to access mailbox contents and perform remote code execution. Credit: Microsoft Microsoft has released emergency patches for four previously unknown vulnerabilities in Exchange Server that a cyberespionage group was exploiting to break into organizations. The flaws allow the extraction of mailbox contents and the installation of backdoors on vulnerable servers. Microsoft attributes the a...

MaxKabakov / Getty Images Microsoft has released emergency patches for four previously unknown vulnerabilities in Exchange Server that a cyberespionage group was exploiting to break into organizations. The flaws allow the extraction of mailbox contents and the installation of backdoors on vulnerable servers. Microsoft attributes the attacks to a Chinese APT group dubbed Hafnium that has a history of exploiting vulnerabilities in internet-facing servers and targeting Office 365 users. The group has targeted entities in the US including infectious disease researchers, law firms, ...

Microsoft's monthly security fixes addressed a Win32k zero-day, six publicly known flaws, and three bugs in the Windows TCP/IP stack.

Patch Tuesday sees just 56 vulnerabilities addressed this month