Come up with one, trying to use the other. And have to protect the fruits of their own intelligence. So there was one of the most valuable professions – a specialist in information protection. Today, of course, is inextricably linked to computers.
Initially, the information security system was developed for the needs of the military. The strategic data on defence capability were so important that their leakage could lead to huge human losses. Accordingly, computer security turned to the experience of cryptography, that is, encryption. Cryptographic scripts and special programs appeared, allowing to automate the process of encryption and decryption. Continue reading