Security News and Articles

It’s time to take XML out back and shoot it


Kernel Rootkit Tricks

The Spy Within


Rootkits allow attackers to take complete control of a computer. We describe the tricks intruders use to gain access to the Linux kernel and provide guidelines on hardening the kernel against such attacks.

Handling critical security vulnerabilities: Three incidents

COVER STORIES: Going Critical

Security with data structures

SYSADMIN: Make a Hash

The triumph of convenience

Off the Beat: Bruce Byfield's Blog


Secure email and LibreOffice documents

LINUXUSER: On the Safe Side

Back up your systems securely

SYSADMIN: System Rescue

OpenSSL with Bash

Using the OpenSSL toolkit with Bash


Cryptography is an important part of IT security, and OpenSSL is a well-known cryptography toolkit for Linux. Experts depend on OpenSSL because it is free, it has huge capabilities, and it’s easy to use in Bash scripts.

Configuring and using auditd

SYSADMIN: Super Secure

Rescue Me


When I was thinking about ways you could rescue your system with Linux, the thought occurred to me: Why not rescue your life? Because that’s what Linux can do for you.

Issue 31: Linux Shell Handbook 9th Ed./Special Editions

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