auditijälje
Auditijälki, or audit trail, is a chronological record of system events and data changes that allows reconstructing the sequence of actions that occurred within a system or process. It provides accountability, data integrity, and support for forensic analysis, compliance, and operational monitoring.
Its scope covers user actions, automated processes, data modifications, access attempts, and configuration changes across applications,
Key components include the actor, timestamp, action performed, target resource, outcome, and any data before and
Implementation considerations include centralized collection, tamper-evident storage, cryptographic integrity checks, accurate timekeeping, and defined retention policies.
In regulated environments such as finance, healthcare, and public sector, audit trails are essential for compliance
Challenges include high data volume, performance impact, log tampering, storage costs, and ensuring coverage across heterogeneous