Come and learn cybersecurity from the pros. This class will be taught by the CISO (Chief Information Security Officer) of a large bank and two other seasoned cybersecurity professionals. You don't want to miss it. In the 1980’s, Cliff Stoll discovered a $0.75 accounting error on the computer systems he managed at Lawrence Berkeley Laboratory. This small discovery would eventually lead him on the year-long pursuit of a group of five KGB sponsored hackers who managed to access numerous US government and military networks.