The 4th Linux kernel flaw this month can lead to stolen SSH host keys

The 4th Linux kernel flaw this month can lead to stolen SSH host keys ...

Privilege escalation in Linux: Local users can read foreign files

The vulnerability was known for years, fixed Thursday. Hours later, an exploit is available as the kernel team prepares ...
Linux Journal

Paranoid Penguin - Linux Filesystem Security, Part II

Recall also that we set the group permissions on this directory to r-x, that is, group-readable and group-executable, so that our fellow members of the drummers group could enter this directory and ...
Linux Journal

Making Root Unprivileged

There was a time when, to use a computer, you merely turned it on and were greeted by a command prompt. Nowadays, most operating systems offer a security model with multiple users. Typically, the ...