Microsoft has released an out of out of band security update for Windows Defender found on Windows 7, 10 and Server 2008. If you are running a third Party Anti Virus solution your version of Windows Defender will be disabled. If not you should run Windows Update to ensure you apply the update ASAP.
Previously limited almost exclusively to machines running Windows two new Ransomware variants have been detected that target Apple Mac users.
The first encrypts data and demands payment before files are released. This is similar to standard, the second is spyware that captures screenshots and keystrokes.
Both attacks are relatively new, and details on their origins are still sparse. Users are advised to keep regular backups of their data in case their devices are compromised and files are made inaccessible.
Both programs were uncovered by the security firms Fortinet and AlienVault, which found a portal on the Tor network.