noun
audit trail; activity log; history
Technical term for a record of actions or events, often used in IT, security, and system monitoring contexts.
システムはすべての操作の動作記録を保持している。
The system keeps an audit trail of all operations.
動作記録を確認して、不正アクセスがなかったか調べた。
We checked the activity log to see if there had been any unauthorized access.
ログ is a more general and common term for a log or record, while 動作記録 specifically emphasizes the recording of actions or operations, often with an audit or security nuance.
Compound of 動作 (action, operation) and 記録 (record, log).