Better Business Bureau warns of phishing messages with the Zoom logo that tell recipients they have a missed meeting or suspended account. Another variant of the attack has been a message welcoming some recipients to the platform and requesting they click on a link to activate the account. Cybercriminals can also use these types of compromised credentials to launch denial-of-service attacks, also known as Zoom bombing with a recent Thanksgiving Zoom-bombing attack that was labeled TurkeyBombing
Source: https://threatpost.com/zoom-impersonation-attacks-credentials/161718/

