Legitimate emails in Exchange Online are being tagged as spam. A new URL rule is quarantining emails as phishing attempts. Microsoft has made some progress resolving the problem. Those of you who use ...

Zendesk spam campaign persists despite new safety features Attackers abuse support ticket confirmations to flood inboxes with strange, non-malicious emails Suspected DoS attack overwhelms Zendesk ...

An experiment with AI affiliate sites shows how Google’s spam systems treat low-trust, programmatic SEO — and why it can’t stand alone.

North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, spread via removable drives, and conduct covert surveillance.