Microsoft has confirmed that a faulty anti-phishing detection rule designed to stop credential theft campaigns mistakenly ...

Microsoft says an Exchange Online issue that mistakenly quarantined legitimate emails last week was triggered by faulty heuristic detection rules designed to block credential phishing campaigns.

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 ...