How to Secure Your ATS System — Protecting Recruitment Data

The ATS as an attack target — why securing it matters

An ATS (Applicant Tracking System) is a treasure trove of personal data — it stores thousands of CVs with names, addresses, phone numbers, employment histories, and often recruiter notes containing subjective candidate assessments. A breach means a GDPR violation with potential fines up to EUR 20 million. Cybercriminals attack ATS systems through stolen recruiter credentials, infected resumes, and software vulnerabilities.

ATS security configuration

Proper ATS configuration encompasses multiple layers. Identity layer: MFA for all users, integration with corporate SSO, automatic account deactivation after 90 days of inactivity. Access layer: roles with precise permissions, bulk data export blocked for regular users. Data layer: encryption at rest (AES-256) and in transit (TLS 1.3), automatic data deletion after the retention period, anonymization in test environments. Monitoring layer: data access logging, alerts for unusual activity.

Choosing a secure ATS provider

When selecting an ATS provider, check certifications: ISO 27001, SOC 2 Type II. Verify server location — for GDPR compliance, data should be processed within the EEA. Require a Data Processing Agreement (DPA) compliant with Article 28 GDPR. Check the update and patching policy. Ask about business continuity plans. Verify whether the vendor conducts regular penetration tests.

Cybersecurity for Your Industry

Learn more about cybersecurity in your industry:

• Cybersecurity for HR & Recruitment

Best practices for implementation

Effective implementation requires several key steps:

1. Risk assessment and inventory — identify assets, threats, and vulnerabilities specific to your organization.
2. Policy development — document requirements, roles, and responsibilities.
3. Technical controls — deploy tools and configurations proportionate to identified risks.
4. Training and awareness — engage employees in protecting organizational security.
5. Monitoring and continuous improvement — regularly verify effectiveness and adapt to the evolving threat landscape.