This is my personal glossary about my preparation for obtain CISSP Certification and understand all Security keywords.  Here all keywords  beginning by letter U.

 

 

U

Uninterruptible Power Supply (UPS): A device that provides continuous electrical power, usually by storing excess capacity in one or more batteries.

USA PATRIOT Act: A U.S. law that expands the authority of law enforcement agencies for the purpose of combating terrorism.

User: A person who has access to information and/or information systems.

User Datagram Protocol (UDP): A network protocol that doesn’t guarantee packet delivery or the order of packet delivery over a network.

User Entitlement: The data access privileges that are granted to an individual user.

User mode: A level privilege, usually intended for ordinary users.