NIS2 Directive – Everything Companies Need to Know
Key Takeaways
Expanded cybersecurity requirements: Around 30,000 German companies are affected.
Stricter penalties & personal liability: Executives can be held personally liable.
ISO 27001 ISMS: The most effective way to meet NIS2 obligations.
Introduction
Cybersecurity is becoming increasingly important. With the NIS2 Directive, entering into force in Germany on October 18, 2024, the EU significantly strengthens its cybersecurity framework. NIS2 replaces the previous NIS1 Directive and expands obligations to a much larger group of companies.
Around 30,000 organizations will need to adjust their security measures and comply with stricter reporting, risk management, and governance requirements.
Overview of the NIS2 Directive
The directive aims to harmonize cybersecurity across the EU and introduces:
Higher security requirements
Stronger reporting obligations
Risk-based security measures
Expanded list of affected sectors
Mandatory “state-of-the-art” controls
Member states must transpose NIS2 into national law by October 18, 2024.
Scope of NIS2
NIS2 significantly expands its reach through:
New entity classifications
Essential Entities
Important Entities
Expanded sectors (11 essential, 7 important)
Including:
Energy
Water
Healthcare
IT & Telecommunications
Finance & Insurance
Public administration
Waste & wastewater
Food production
Space
Postal & courier services
The size-cap rule brings any medium-sized or larger company into scope if active in one of these sectors.
NIS2 Requirements
1. Cybersecurity risk management
Regular risk assessments
Supply chain security
Incident response and continuity planning
2. Technical & organizational measures
Encryption
Network segmentation
Patch management
Employee training
3. Strict incident reporting
Initial notification within 24 hours
Follow-up report after 72 hours
Final report after 1 month
4. Mandatory participation in information-sharing
Especially for essential entities.
Implementing NIS2
The most efficient implementation path is an Information Security Management System (ISMS) based on ISO 27001.
Steps include:
Gap analysis
Definition of required controls
Technical & organizational implementation
Employee awareness
Risk management introduction
Audit preparation
Typical ISMS projects take 6–18 months.
Costs & Audits
German estimates indicate:
One-time NIS2 implementation costs: ~€1.37 billion
Annual recurring costs: ~€1.65 billion
Regular internal and external audits ensure compliance and continuous improvement.
Penalties & Liability
NIS2 introduces much tougher sanctions:
Fines
Essential entities: up to €10M or 2% global revenue
Important entities: up to €7M or 1.4% global revenue
Personal liability
Executive management can be held personally responsible.
No transition period
Full compliance is required starting October 18, 2024.
Challenges
High resource requirements
Tight reporting deadlines
Increased administrative burden
Organizational complexity
Need for specialized cybersecurity expertise
Opportunities
Stronger organizational resilience
Competitive advantage via demonstrable security
Greater trust from clients and partners
Professionalization of internal structures
Conclusion
The NIS2 Directive marks a major step in strengthening Europe's cybersecurity landscape. Although demanding, it offers a unique opportunity for companies to modernize their cybersecurity posture.
Implementing an ISO 27001 ISMS provides a structured, auditable, and efficient path to full NIS2 compliance and long-term cyber resilience.

Srdan Manasijevic
CEO
Expert in information security, data protection and risk management with extensive experience advising enterprises and public-sector organizations. Specialized in ISO 27001, BSI and advanced risk methodologies.



