U.S. officials have not determined who was behind an apparent cyber attack on X that limited access to the platform for ...

The suspension comes as many national security experts warn of a greater threat posed by Russia, China and other adversaries.

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A U.S. official, speaking on condition of anonymity to discuss sensitive operations, on Monday confirmed ... digital and cyber threats. Republican lawmakers and national security experts have ...

Elon Musk says there was a “massive cyberattack against X” on Monday amid several outages to the social media site.

Downdetector.com said that 56 of problems were reported for the X app, while 33 were reported for the website.

A U.S. official, speaking on condition of anonymity to discuss sensitive operations, on Monday ... many national security and cybersecurity experts have urged greater investments in cyber defense ...

A U.S. official, speaking on condition of anonymity to discuss sensitive operations, on Monday confirmed ... digital and cyber threats. Republican lawmakers and national security experts have ...