The planet’s 2,640 billionaires are worth $12.2 trillion. Here’s who’s up, who’s down and who’s off the list. The party is over for many of the world’s richest people. For the second straight year, ...

A flaw in the Linux kernel present since 2017 allows a local user to gain root access on virtually every major Linux distribution. A public exploit is available and reported to work reliably.Key ...