---
url: 'https://www.corbado.com/faq/regression-testing-passkey-reliability'
title: 'How does regression testing improve passkey reliability?'
description: 'Learn how regression testing ensures passkey reliability by catching bugs early and maintaining system stability after updates.'
lang: 'en'
keywords: 'regression testing passkeys, passkey reliability testing'
---

# How does regression testing improve passkey reliability?

## How Does Regression Testing Improve Passkey Reliability?

Regression testing is essential for maintaining the reliability of passkey systems,
especially in dynamic enterprise environments. Here's how it contributes:

### 1. Ensures System Stability

- **Post-Update Validation:** Confirms that new features or updates don’t negatively
  affect existing passkey functionality.
- **Bug Prevention:** Detects issues introduced by code changes, reducing the risk of
  errors in production.

### 2. Supports Continuous Improvement

- **Iteration Safety:** Enables teams to iteratively improve passkey workflows without
  compromising core functionalities.
- **Feedback Loop:** Provides timely insights into how changes impact the system, allowing
  for quick fixes.

### 3. Catches Hidden Defects

- **Edge Case Coverage:** Identifies subtle bugs that might only surface under specific
  conditions, such as rare user scenarios.
- **Dependency Testing:** Verifies that interconnected components, like fallback
  authentication methods, remain functional.

### 4. Improves User Experience

- **Consistent Performance:** Ensures users experience seamless passkey registration and
  authentication workflows after updates.
- **Error-Free Operations:** Reduces the likelihood of disruptions caused by undetected
  bugs.

### 5. Facilitates Automation

- **Automated Test Suites:** Streamlines the execution of regression tests, enabling quick
  validation of [large-scale](https://www.corbado.com/blog/introducing-passkeys-large-scale-overview) changes.
- **Scalability:** Handles the complexity of testing multiple devices, browsers, and
  environments efficiently.

### 6. Reduces Risk

- **Proactive Quality Assurance:** Identifies potential issues before they impact
  end-users, minimizing downtime and reputational risks. Enterprises also benefit by
  expanding their focus to include
  [attack surface management](https://www.wiz.io/academy/attack-surface-management), which
  actively uncovers exposures beyond passkey components and mitigates broader
  [vulnerabilities](https://www.corbado.com/glossary/vulnerability).
- **Compliance Maintenance:** Ensures that updates continue to meet security and
  regulatory standards.

By integrating regression testing into the passkey development lifecycle, enterprises can
maintain a robust and reliable authentication system while fostering innovation.

## Read the full article