Protecting hardware is as important, if not more so, than each of the other security methods described in this post. Sadly, protecting hardware is often an afterthought. Servers act as a central repository for large amounts of data, making them, or more specifically their storage, desirable targets. High-profile news stories have highlighted the plight of [...]

Public and Private Keys
Within PKI, two digital keys are created: the public key and the private key. These keys are mathematically linked in such a way that data encrypted with one key can only be decrypted by the other, and vice versa.
The public key can (and should) be distributed to other communicating parties. In contrast, [...]