Comprehensive Case and Technical Analysis of Oracle Cloud Data Breach

This technical report provides a detailed analysis of the alleged data breach involving Oracle Cloud, which was claimed by a threat actor on March 20, 2025. The report examines the content of a post shared on an underground forum, where the actor asserted that traditional Oracle servers had been compromised, resulting in the leakage of SSO and LDAP data for approximately 6 million users. The document includes an analysis of the evidence provided by the threat actor, including LDAP records and a user database. It also discusses the responses from Oracle and the threat actor regarding the incident. The report concludes with an evaluation of the potential impacts of the breach, recommendations for reviewing identity management systems, and the importance of monitoring the situation as it develops. The findings are based on the technical validity of the incident and the details contained in the shared evidence.