Changed from a state of uprightness, correctness, truth, etc., to a worse state; vitiated; depraved; debased; perverted; as, corrupt language; corrupt judges.
corrupt morally or by intemperance or sensuality; "debauch the young people with wine and women"; "Socrates was accused of corrupting young men"; "Do school counselors subvert young children?"; "corrupt the morals"
Data which has been altered. Information has the highest chance of becoming corrupt when it has to travel great distances, like on the Internet, or when it is transferred at very high speeds. They ways of detecting corrupt data are CRC, parity, and ECC.