Unix security: how do you know when you've been owned?
So you suspect that something strange is happening with a server, but you're not quite sure what. Perhaps it's been compromised, perhaps not. Let's talk about some methods for figuring out what's up on Unix-based operating systems. It's not always straightforward.
If you're running a Web server or user login server, it's even more difficult to tell if you've experienced a security incident.
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