Using Canonical's Snap software packaging and deployment system?
Do this: Patch immediately.
Why: There is a privilege escalation flaw in the snap-confine function, that allows any unprivileged user to gain root privileges on the vulnerable host.
Additional Info: https://thehackernews.com/2022/02/new-linux-privilege-escalation-flaw.html
Using the WordPress Plug-in, UpdraftPlus?
Do this: Patch and update immediately.
Why: All versions of UpdraftPlus from March 2019 onwards have contained a vulnerability caused by a missing permissions-level check, allowing untrusted users access to backups.
Additional Info: https://thehackernews.com/2022/02/critical-flaw-uncovered-in-wordpress.html
Using Microsoft Teams?
Do this: Do not open unprovoked documents in chat threads on Teams.
Why: Threat actors are targeting Microsoft Teams users by planting malicious documents in chat threads that execute Trojans that ultimately can take over end-user machines.
Additional Info: https://threatpost.com/microsoft-teams-targeted-takeover-trojans/178497/
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