k
K computer Supercomputer from Fujitsu. Operational June 2011. Wikipedia
K5 AMD's first x86 processor developed entirely in-house. Released March 27, 1996. Wikipedia
K6 Microprocessor from AMD. Introduced April 1997. Wikipedia
K9 Branding for Cisco IOS with security features. Cisco Learning Network
Kaby Lake Microarchitecture codename from Intel. Announced August 30, 2016. Wikipedia
Kazaa P2P file sharing application. First released March 2001. Wikipedia
Keep It Simple Stupid (KISS) Wikipedia
Ken Thompson Developed the UNIX operating system in 1969. Also developed the B programming language.
Kerberos Network authentication protocol used to authenticate to Windows domain controllers. Works on the basis of "tickets" to allow nodes communicating over a non-secure network to prove their identity to one another in a secure manner. Wikipedia
kernel The core of an OS. Wikipedia
kernel panic Similar to the BSoD in Windows. Wikipedia Apple Support
Kevin Mitnick First hacker busted for hacking. Wikipedia
key Variable that is combined with an algorithm to transform data from plaintext to cipher text for encryption. Can also be used in other cryptographic algorithms, such as digital signature schemes and message authentication codes. Wikipedia
Key Distribution Center (KDC) Domain Controller with Kerberos. Two main parts; Authentication Service and the Ticket Granting Service. (TCP and UDP 88). Wikipedia
Key Management Service (KMS) Activates computers on a local network. TechNet (Understanding KMS)
key size (key length) measure in bits. Large keys can degrade performance but are more secure. Wikipedia
key space Possibilities that can be generated by a specific key length. Wikipedia
keyboard An input device. Wikipedia
Keyspace NoSQL data store. Wikipedia
Khan Academy Non-profit educational organization that provides "...a free, world-class education for anyone, anywhere." Founded by Salman Khan in September of 2006. Website Wikipedia YouTube (Khan Academy)
Kilobit Wikipedia
kilobyte (KB) 1024 (1000) bytes. Wikipedia
Kin Failed phone attempt from Microsoft. Manufactured by Sharp. First released in May 2010. Wikipedia
Kismet Network detector, packet sniffer, and intrusion detection system for 802.11 wireless LANs. Can be expanded via plug-ins to handle other network types. Developed by Mike Kershaw (dragorn). Website Wikipedia
Klez a worm that is transferred by email Wikipedia
Knockout JavaScript web framework. First released July 5, 2010. Website Wikipedia
Knowledge Consistency Checker (KCC) Wikipedia
Koobface worm Wikipedia
Korn shell (ksh) Announced July 14, 1983. Wikipedia
Kotlin Programming language. Released July, 2011. Website Wikipedia