Microsoft is suing RedVDS, a service providing virtual desktops used for phishing and fraud. The company aims to shut down the operation, which has contributed to over $40 million in fraud losses in the US, and has partnered with law enforcement to seize its infrastructure. Victims of RedVDS include various organizations across multiple sectors globally.

Elon Musk is suing OpenAI and Microsoft for damages between $79 billion and $134 billion. He claims they defrauded him by abandoning OpenAI's nonprofit mission in favor of partnerships with Microsoft. A jury trial is scheduled for late April in Oakland, California.

Elon Musk's lawsuit against OpenAI will go to trial, escalating his conflict with CEO Sam Altman. Musk claims he was misled about OpenAI's mission and alleges that the company's leadership prioritized profit over its charitable goals. The case also names Microsoft as a defendant for allegedly supporting OpenAI's actions.

Australia’s competition regulator has sued Microsoft, claiming it misled 2.7 million customers into paying higher prices for Microsoft 365 by bundling it with the AI tool Copilot. The regulator alleges that customers were not informed about a cheaper plan that remained available, only discovering this option during the cancellation process. The ACCC is seeking penalties and consumer redress from Microsoft.