Brien Posey shares best practices for keeping a handle on EC2 security groups -- essentially software firewalls -- to avoid confusion about which ones are actually needed. As organizations create and ...

Although the EC2 console doesn't make it super obvious, you can assign multiple security groups to an individual VM instance. As such, some organizations like to create extremely granular security ...

Would you change what you said on the phone, if you knew someone malicious was listening? Whether or not you view the NSA as malicious, I imagine that after reading the NSA coverage on Linux Journal, ...