Part-IS and your software

What is PART-IS?

PART-IS (Information Security requirements for air operators) is a regulatory framework under EASA (European Union Aviation Safety Agency) designed to ensure that air charter operators protect their IT systems, data, and critical operational infrastructure from cyber threats.

With increased reliance on digital systems for scheduling, crew management, passenger data handling, and flight planning, compliance with PART-IS is no longer optional — it’s a necessity to raise your standards.

Why Software Matters: Choosing the Right Tool for PART-IS Compliance

To meet the PART-IS requirements, operators must implement aviation software platforms that have strong cybersecurity and data protection capabilities and have the knowledge about data processing standards that have been implemented in those software solutions. One such solution is Leon Software, which offers a wide range of features directly aligned with PART-IS obligations.

Leon Software: A Secure Platform Built for Compliance

Leon Software supports PART-IS compliance by providing modern security measures, including:

• SAML (Security Assertion Markup Language) – for secure single sign-on (SSO)

• 2FA (Two-Factor Authentication) – for additional login protection

• User and PAX Data Masking – for controlled visibility of sensitive data

• CNAPP (Cloud-Native Application Protection Platform) – for end-to-end cloud security

• Penetration Testing – to uncover system vulnerabilities before attackers do

• ISMS (Information Security Management System) – structured risk management

• WAF (Web Application Firewall) – to block malicious web traffic

• CSP (Content Security Policy) – to prevent code injection attacks

These features are essential not just for security, but for satisfying PART-IS audit and documentation standards.

Don't Overlook Certification: ISO 27001 and ISO 27018

When evaluating software providers or internal IT systems, operators should ensure compliance with international security standards:

• ISO 27001 – the global benchmark for establishing, implementing, maintaining, and continuously improving an Information Security Management System.

• ISO 27018 – a crucial but often overlooked standard, especially for aviation: it specifically governs data privacy in the cloud, focusing on personally identifiable information (PII).

ISO 27018 is particularly important for charter operators handling passenger data, ensuring that cloud-based software like Leon meets best practices for confidentiality, data control, and lawful processing.

Final Thoughts

To pass PART-IS and protect both operational integrity and customer trust, operators must go beyond minimal security features. A platform like Leon Software, equipped with advanced tools and aligned with ISO 27001 and ISO 27018, positions operators not just for compliance — but for long-term resilience.

For charter operators, choosing secure, certified technology is no longer a luxury. It’s the only way forward.

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