For the first time in the history of Microsoft, a cyberattack has left hundreds of executive accounts compromised and caused a major user data leak as Microsoft Azure was attacked.

According to Proofpoint, the hackers use the malicious techniques that were discovered in November 2023. It includes credential theft through phishing methods and cloud account takeover (CTO) which helped the hackers gain access to both Microsoft365 applications as well as OfficeHome.