Compliance Framework

NIS2 Audit Logging Requirements

NIS2 requires essential and important entities across the EU to implement cybersecurity risk management measures including audit logging, incident reporting, and supply chain security monitoring.

Overview

NIS2 is the updated EU directive on network and information security, replacing the original NIS Directive. It dramatically expands the scope of organizations that must comply, covering 18 sectors including energy, transport, health, digital infrastructure, and ICT service management. NIS2 mandates cybersecurity risk management measures that include logging and monitoring capabilities. Member states were required to transpose NIS2 into national law by October 17, 2024. Organizations that fail to comply face fines of up to 10 million euros or 2% of global annual turnover.

Key facts

NIS2 covers 18 sectors including digital infrastructure, ICT service management, and cloud computing

Member states were required to transpose NIS2 by October 17, 2024

Fines can reach 10 million euros or 2% of global turnover for essential entities

Management bodies can be held personally liable for non-compliance under NIS2

Retention period: Not explicitly defined; must align with national implementation and risk assessment

Audit logging requirements

Article 21(2)(b) - Incident Handling

Implement incident handling procedures including detection, analysis, containment, and recovery logging.

How AuditKit helps: Comprehensive incident event logging with SIEM integration for detection and analysis

Article 21(2)(d) - Supply Chain Security

Address security in supply chains including logging and monitoring of third-party access and activities.

How AuditKit helps: Tenant-isolated audit trails track supply chain interactions with cryptographic integrity

Article 21(2)(g) - Security Monitoring

Implement basic cyber hygiene practices and cybersecurity training, including logging and monitoring of security-relevant events.

How AuditKit helps: Real-time event streaming with structured schemas for security event monitoring

Article 23 - Incident Reporting

Report significant incidents to competent authorities within 24 hours (early warning), 72 hours (incident notification), and 1 month (final report). Detailed logs are essential for these reports.

How AuditKit helps: Immutable audit trails provide the forensic evidence needed for mandatory incident reports

Frequently asked questions

What audit logging does NIS2 require?

NIS2 requires cybersecurity risk management measures including incident handling (Article 21(2)(b)), supply chain security monitoring (Article 21(2)(d)), and security event logging (Article 21(2)(g)). Organizations must also maintain logs sufficient for mandatory incident reporting within 24/72-hour timeframes (Article 23). AuditKit provides the immutable audit trails needed for NIS2 compliance.

Does NIS2 apply to SaaS companies?

Yes. NIS2 explicitly covers digital infrastructure providers and ICT service management companies. If your SaaS operates in or serves customers in the EU, and falls within one of the 18 covered sectors, you are subject to NIS2 requirements including audit logging and incident reporting.

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