TECH

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Microsoft has announced that Chinese "threat actors" have hacked some of its customers' on-premises SharePoint servers, targeting the data of the businesses using them. Microsoft identified China state-backed groups Linen Typhoon, Violet Typhoon, and China-based Storm-2603 as the perpetrators, saying they exploited vulnerabilities in on-premises SharePoint servers, a version used by businesses, but not its cloud-based service.

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A serious security breach has placed Microsoft at the center of a widening cyberespionage storm. According to cybersecurity units from Google and Microsoft, state-backed hackers linked to China exploited an unpatched flaw in Microsoft's SharePoint server, compromising over 100 organizations globally.

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Nvidia's dominance in the artificial intelligence (AI) sector has propelled it to become the first company in the world with a market value of $4 trillion. Shares in the chipmaker surged as much as 2.4% to $164 on Wednesday, extending a meteoric rise that began when the company first reached a $1 trillion valuation in June 2023. The company's valuation climb reflects the insatiable global demand for its AI-powering chips.

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Linda Yaccarino has resigned as CEO of X, the social media platform formerly known as Twitter, after two years leading the Elon Musk-owned company. In a statement on X, she cited "two incredible years" overseeing a major transformation. Her resignation on Wednesday follows growing controversy surrounding X's AI chatbot, Grok, which has been criticized for posting anti-Semitic comments praising Adolf Hitler and Islamophobic insults.

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Elon Musk's xAI, whose Grok, a large language model, has faced repeated criticism for offensive outputs, including Hitler-supporting rhetoric and antisemitic tropes, is now set to provide its services to the US Department of Defense. The announcement, made Monday, will see xAI offer its services under the name "Grok for Government."

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Jack Dorsey, the co-founder of Twitter, X now, and CEO of Block, has launched Bitchat,  which marks a radical shift in digital messaging. The app bypasses traditional internet infrastructure entirely, operating over Bluetooth mesh networks to enable encrypted, ephemeral conversations, no phone numbers, accounts, or central servers required.