Browsing Tag
Oyster
2 posts
Fake Microsoft Teams and Google Meet Downloads Spread Oyster Backdoor
The Oyster backdoor (also known as Broomstick) is targeting the financial world, using malicious search ads for PuTTY, Teams, and Google Meet.
December 13, 2025
Fake Teams Installers Dropping Oyster Backdoor (aka Broomstick)
Hackers are using fake Microsoft Teams installers found in search results and ads to deploy the Oyster backdoor. Learn how to protect your PC from this remote-access threat.
October 9, 2025