her hardware or software. Since such errors inevitably will occur from time to time, the prudent system
manager maintains a system of protective dumps, organized in such a way that there always exists a valid copy of a recent version
of every file on the system. [Computer and Information Sciences] 
n., Integrity refers to the protection of information from unauthorized access or revision. [Computer and Information Sciences] 
n., The quality of being whole and unaltered through loss, tampering, or corruption