A number of Russian airlines have restricted passenger check-in and ticket sales because of a major system failure.

TikTok’s US service crashed early Sunday morning, and as of late Monday night, it still hasn’t fully recovered. After finally announcing the problem started with a power outage at an unnamed partner’s ...

McDonald’s was hit by a system failure Friday that closed restaurants and disrupted online and app orders around the world, including in the United States, Australia, Japan, Hong Kong, and the United ...