Microsoft reveals hacktivist group Anonymous Sudan was behind Office outage

Microsoft has confirmed hackers were responsible for a serious outage of Office suite programs this month.
For more details:

https://www.abc.net.au/news/2023-06-18/microsoft-hack-in-was-cyberattack-onedrive-cloud-outlook/102493402

https://fortune.com/2023/06/18/microsoft-confrims-outlook-onedrive-outage-was-hack-cybersecurity-anonymous-sudan-russia/