N: 1. From cyber (as an element in word formation, ultimately from cybernetics (q.v.); it enjoyed explosive use with the rise of the Internet early 1990s) and security (mid-15c., “condition of being secure,” from Latin securitas, from securus “free from care”; replacing sikerte (early 15c.), from an earlier borrowing from Latin; earlier in the sense “security” was sikerhede (early 13c.); sikernesse (c.1200); meaning “something which secures” is from 1580s; “safety of a state, person, etc.” is from 1941; legal sense of “property in bonds” is from mid-15c.; that of “document held by a creditor” is from 1680s).
2. The body of technologies, processes, practices and response and mitigation measures designed to protect networks, computers, programs and data from attack, damage or unauthorized access so as to ensure confidentiality, integrity and availability.
3. cybersecurity; cyber security: terms and definition standardized by Public Safety Canada and the Translation Bureau.
S: 1. OED – http://www.etymonline.com/index.php?allowed_in_frame=0&search=cyber&searchmode=none; http://www.etymonline.com/index.php?allowed_in_frame=0&search=security&searchmode=none (last access: 24 February 2015). 2 & 3. TERMIUMPLUS.
OV: cyber security, cyber-security.
SYN: Internet security, online security, e-security, electronic security.