---
title: "Tamper-evident logging"
slug: "dpo-features-tamper-evident-logging"
updated: 2026-10-27T19:33:50Z
published: 2026-10-27T19:33:50Z
canonical: "docs.onespan.com/dpo-features-tamper-evident-logging"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.onespan.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Tamper-evident logging

Capture of event transaction ID and hash allow tamper verification and provide audit logging designed to meet regulatory requirements. Logged events include:

- Client registration, authentication, deletion, and transactional activities
- Administrator operations such as changes to server properties, policies, and metadata