The GDPR is a new regulation created by the European Union. It has been four years in the making and was finally approved on April 14, 2016. It will replace its predecessor, the Data Protection Directive 95/46/EC, which was adopted in 1995.
This is the known extension for executable files, which launch custom actions as dictated by its purpose. As .EXE files can launch a variety of actions, these are often used to launch malware on computers.
An exploit is code that takes advantage of a software vulnerability or security flaw. Exploits are often incorporated into malware, which are consequently able to propagate into and run intricate routines on vulnerable computers.