Signed, side loaded and compromised. That’s how security researchers at the Ontinue Cyber Defence Centre have described a sophisticated multi-stage attack that starts with a Microsoft Teams message ...

Critical flaws in Microsoft Teams can be used to allow an attacker to manipulate messages, spoof notifications and even impersonate executives, according to a report released Tuesday by Check Point ...

Microsoft says that Teams users will be able to report false-positive threat alerts triggered by messages incorrectly flagged as malicious. This new feature was first announced in September, when it ...