Data Encryption Standard History

Q1 Evaluate  the history of the Data Encryption Standard (DES) and then how it has  transformed cryptography with the advancement of triple DES.
Q2:There are a variety of ways that a  cyber-attack can cause economic damage. In many cases, attackers try to  “penetrate” systems in order to steal technology or other sensitive  information. When do you think an attack can be classified as cyber  terrorism?