How Continuous Re-Auth Stops Proxy Interviews in Coding Screens
Prevent proxy candidates from infiltrating your coding interviews and ensure hiring precision with robust authentication.

Prevent proxy candidates by implementing continuous re-auth and environment controls in your coding screens.Back to all posts
The $50K Hallucination
Imagine this: your engineering team just wrapped up a high-stakes coding screen for a critical role. Everything seems fine until you discover that the candidate was a proxy, costing your company not just a wasted interview but potentially leading to a $50K loss in project delays. Proxy interviews are not just an inconvenience; they can derail entire projects, leaving you scrambling to fill the gaps. The stakes are high, and your hiring process must evolve to combat these risks.
Why This Matters
Engineering leaders are under constant pressure to deliver quality hires quickly. Yet, proxy candidates can slip through the cracks, leading to poor hires that compromise team performance. In a survey, 40% of tech leaders reported encountering proxy candidates during their hiring processes. This not only affects team dynamics but also impacts your company's reputation and bottom line. Ensuring the integrity of your coding assessments is crucial for maintaining hiring precision and reducing downstream offer rejections.
How to Implement It
Step 1: Continuous Re-Authentication
Set up a continuous re-authentication process during coding assessments. Use biometric checks, such as facial recognition or liveness detection, to verify that the person taking the test is indeed the candidate. This can be integrated into existing screening tools.
Step 2: Environment Controls
Implement strict environment controls to monitor candidate activity. Require candidates to use a secure browser that restricts access to other applications and websites. This minimizes the risk of them using external resources or having someone else assist during the assessment.
Step 3: Reproducible Scoring
Adopt reproducible scoring systems that allow multiple reviewers to evaluate coding tests independently. This enhances fairness and provides a clear audit trail in case of disputes. Use standardized rubrics that align with your organization's technical requirements, ensuring that all candidates are assessed on the same criteria.
Key Takeaways
Continuous re-authentication is essential for verifying candidate identity and preventing proxy interviews. Environment controls can significantly reduce the risk of proxy candidates infiltrating your coding assessments. Measuring hiring precision can lead to better offer acceptance rates and more successful hires.

Key takeaways
- Continuous re-authentication is essential for verifying candidate identity.
- Environment controls can significantly reduce the risk of proxy candidates.
- Measuring hiring precision can lead to better offer acceptance rates.
Implementation checklist
- Implement continuous re-authentication during coding assessments.
- Establish strict environment controls to monitor candidate activity.
- Use reproducible scoring systems to ensure fair assessments.
Questions we hear from teams
- What technologies can assist with continuous re-authentication?
- Technologies such as biometric authentication, liveness detection software, and secure browsers can help ensure that the candidate taking the test is indeed who they claim to be.
- How can I measure the effectiveness of my hiring process?
- Track metrics such as false acceptance rates (FAR), false rejection rates (FRR), and offer acceptance rates to gauge the effectiveness of your screening processes.
- What are some common pitfalls to avoid during coding assessments?
- Ensure that your assessments are not only technically challenging but also fair and reproducible.
Ready to secure your hiring pipeline?
Let IntegrityLens help you verify identity, stop proxy interviews, and standardize screening from first touch to final offer.
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