Attackers exploit link-wrapping services to steal Microsoft 365 logins
A threat actor has been abusing link wrapping services from reputed technology companies to mask malicious links leading to Microsoft 365 phishing pages that collect login credentials. The attacker exploited the URL security feature from cybersecurity company Proofpoint and cloud communications firm Intermedia in campaigns from June through July. Some email security services include a link wrapping feature that rewrites the URLs in the message to a trusted domain and passes them through a scan