audit trail

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audit trail

[′ȯd·ət ‚trāl]
(computer science)
A system that provides a means for tracing items of data from processing step to step, particularly from a machine-produced report or other machine output back to the original source data.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

audit trail

A record of transactions in an information system that provides verification of the activity of the system. The simplest audit trail is the transaction itself. If a person's salary is increased, the change transaction includes the date, amount of raise and name of authorizing manager.

A more elaborate audit trail can be created when the system is being verified for accuracy; for example, samples of processing results can be recorded at various stages. Item counts and hash totals are used to verify that all input has been processed through the system.

Routine Queries Are Typically Exempt
An audit trail can include any activity whatsoever, but transactions that do not effect a change are often not recorded. For example, ad hoc searches and database lookups may not be identified in an audit trail. However, if queries and searches are monitored and recorded, they can be invaluable for tracking a malicious hacker or employee. See information security.
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References in periodicals archive ?
Voters are entitled to a verifiable paper audit trail. The Election Automation Law says so.
Following the third compliance date, companies will be required to have commenced mandatory annual reporting to the board by the chief information security officer concerning critical aspects of the cybersecurity program, have an audit trail designed to reconstruct material financial transactions sufficient to support normal operations in the event of a breach and will need to have policies and procedures in place to ensure the use of secure development practices for IT personnel that develop applications for the covered entity.
These stations need to be secured to protect patient privacy, and many healthcare organizations now seek audit trails of who accessed and used a given charting station; Bluetooth- or RFTD-enabled electronic locking systems provide an efficient solution.
Audit trails must be retained for a period at least as long as that required for the subject electronic records (e.g., the study data and records to which they pertain) and must be available for agency review and copying.
Item 1: The discussion of the risk-based approach to audit trails in Annex 11 is covered in the Part 11 Scope and Application guidance, (3) so the two regulations are essentially the same.
Providing an audit trail to show how communications related to a patient's care or an organization's response to medical alerts are managed.
* Detailed transactional data, alarms, diagnostics and calibration event logging for a secure audit trail for business and regulatory auditing;
EAS, which features intelligent electromechanical locking with remote security monitoring and audit trail capabilities, allows manufacturers to provide the appropriate level of security, control, convenience, and access control at the equipment and storage cabinet level.
Norwell, MA, November 23, 2011 --(PR.com)-- To-Increase, a provider of Microsoft Dynamics solutions for Industrial Equipment Manufacturers (IEM), details the benefits of Microsoft Dynamics audit trails in a new blog post.
Coun Mike Bird, leader of the council, said: "This situation is not unique to Walsall - every local authority has had to provide reassurances to their Government Office that the necessary audit trails are in place."