“Microsoft’s Azure platform has been subject to a major data breach, compromising several accounts, including that of senior company executives. Find out more about Microsoft’s security issues with Azure and Exchange servers.
A major user data leak in the Microsoft Azure platform has compromised hundreds of executive accounts, including cloud account takeovers and phishing attempts.”
Source and full article: https://www.spiceworks.com/it-security/vulnerability-management/news/azure-microsoft-exchange-servers-active-exploitation-hackers/