Audit trail
In telecommunication, the term audit trail has the following meanings:
1. A record of both completed and attempted accesses and service.
2. Data in the form of a logical path linking a sequence of events, used to trace the transactions that have affected the contents of a record.
3. In INFOSEC, a chronological record of system activities to enable the reconstruction and examination of the sequence of events and/or changes in an event.
Note: Audit trail may apply to information in an AIS, or to the transfer of COMSEC material.
Source: from Federal Standard 1037C and from the National Information Systems Security Glossary
In accounting, documentation of detailed transactions supporting summary ledger entries. The documentation may be on paper or electronic records.
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