Security Informtion
First of all, we should ask ourselves why is it important to protect information ? Well... we all have secrets... companies, governments and individuals... To help us, our "sages" gave them acronyms, CIA. Confidentiality One of the main issues in confidentiality is: encryption . Encryption is taking information and making it such that even if someone reaches it, he will not be able to understand what is there. For example, in the old and famous encryption of Julius Caesar, the " Caesar cipher ", this algorithm deflects letters, (for example here, a 3 letter offset) the letter A becomes C, and the letter B becomes D, and so on... ZH KDYH WR NLOO MXOLXV FDHVDU which is actually = We have to kill Julius Caesar Modern encryption types: Today we are using more sophisticated encryption technologies… Symmetric encryption Asymmetric encryption Example from everyday life : The home door, we encrypt it with a key, and when we return home we decrypt with ...