A field of computing concerned with protecting data, systems and identities against unauthorized access, tampering or disclosure, and with the mathematics that makes such protection possible. Belongs here: Cryptography, the mathematical foundation of secure communication, and Blockchain, whose defining property is a tamper-resistant, cryptographically linked record. Does not belong here: a field about moving data reliably rather than protecting it, such as Computer Networking, filed under Networks instead.
Facts
Comparison
Era of Emergence Security And Privacy
Sources
1. Wikipedia: Computer security
WikipediaComputer security, History section, field subcategory useQuote, Computer security, History section, field subcategory use
One of the earliest examples of an attack on a computer network was the computer worm Creeper written by Bob Thomas at BBN, which propagated through the ARPANET in 1971.
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