Latest cybersecurity reporting from selected sources.

Not every cloud breach starts with malware or a zero-day. In this incident, attackers discovered an exposed Spring Boot Actuator endpoint, harvested credentials from leaked configuration data, then used the OAuth2 Resource Owner Password Credentials (ROPC) flow to authenticate without MFA.

ShinyHunters Campaign Uses Voice Phishing to Bypass MFA and Steal Corporate DataSecurity experts warn that "an active and ongoing campaign" being waged by ShinyHunters extortionists has at least 150 organizations in its sights across a range of sectors, with attackers using live voice phishing to bypass multifactor authentication, steal cloud data and hold it to ransom.

A proof-of-concept attack called "Cookie-Bite" uses a browser extension to steal browser session cookies from Azure Entra ID to bypass multi-factor authentication (MFA) protections and maintain access to cloud services like Microsoft 365, Outlook, and Teams. [...]

Analysts see an uptick in token theft from authenticated users, allowing threat actors to bypass MFA protections.