from the locking-things-down dept.
LibbyMC writes For a few years now Linux kernel developers have followed a fairly strict authentication policy for those who commit directly to the git repositories housing the Linux kernel. Each is issued their own ssh private key, which then becomes the sole way for them to push code changes to the git repositories hosted at kernel.org. While using ssh keys is much more secure than just passwords, there are still a number of ways for ssh private keys to fall into malicious hands. So they've further tightened access requirements with two-factor authentication using yubikeys.
The last person that quit or was fired will be held responsible for
everything that goes wrong -- until the next person quits or is fired.