Security is, or should be, a major concern on the internet, learn how encryption keeps your info safe. We rely on computers to encrypt and decrypt our sensitive data. The strength of encryption depends strongly on the difficulty of discovering the key, so the human factor must be considered as the link to secure encryption. We have shown you how to encrypt files and email using PGP and other examples of encryption use. We use public key encryption on a large scale, for example on a secure Web server, using digital certificates.”]