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The protection of information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction in order to provide confidentiality, integrity, and availability.
SOURCE: SP 800-37; SP 800-53; SP 800-53A; SP 800-18; SP 80060; CNSSI-4009; FIPS 200; FIPS 199; 44 U.S.C., Sec. 3542
Protecting information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction in order to provide—
1) integrity, which means guarding against improper information modification or destruction, and includes ensuring information nonrepudiation and authenticity;
2) confidentiality, which means preserving authorized restrictions on access and disclosure, including means for protecting personal privacy and proprietary information; and
3) availability, which means ensuring timely and reliable access to and use of information.
SOURCE: SP 800-66; 44 U.S.C., Sec 3541
