These days, security is one of those things everyone talks about and in this arena, many actually do something about it. Using mandatory-access-control (MAC) systems like SELinux and AppArmor can ...

In my last column, we began exploring the concepts, terms and theory behind Security-Enhanced Linux (SELinux). This month, we conclude our overview, ending with a description of the SELinux ...

Many of us got used to the simple owner, group, and other model of Unix security so long ago that we were somewhat taken back when the setfacl and getfacl commands were introduced and added complexity ...

SELinux, the NSA's powerful implementation of mandatory access controls for Linux, can seem like a daunting technology. It's got a lot of moving parts that are labeled (pun intended) with arcane, ...