Understanding NIS2: Your complete guide

As the cybersecurity landscape grows more complex, the European Union has introduced the NIS2 directive to bolster security across critical infrastructure and essential services. Industries such as energy, healthcare, financial services, and digital infrastructure are now required to implement stronger security measures and report incidents promptly.

For companies dealing with remote connectivity solutions, understanding and complying with NIS2 is crucial. Compliance not only helps avoid penalties but also strengthens systems against cyber threats. In this article, we’ll break down what NIS2 is, why it matters, and how businesses can ensure compliance.

In this article:

• What is NIS2?
• Why NIS2 matters
• Key changes and requirements of NIS2
• Here’s how TeamViewer can support you with NIS2
• Summary

What is NIS2?

The Network and Information Systems Directive 2 (NIS2) is an update to the original NIS directive aimed at enhancing cybersecurity in key sectors within the EU. Expanding its scope, NIS2 places a greater focus on supply chain security and risk management.

The transition from NIS1 to NIS2 reflects the EU’s response to an increasingly complex cybersecurity landscape. Targeted attacks, especially those aimed at critical infrastructure and supply chains, have highlighted vulnerabilities within essential services. Recent incidents, such as the 2021 ransomware attack that disrupted Ireland’s health service, underscore the potential impact of such threats.

By expanding the scope to additional sectors and reinforcing cross-border cooperation, NIS2 aims to create uniform, robust security standards across all member states. It underscores the EU’s commitment to safeguarding its digital economy against modern threats capable of disrupting vital services or paralyzing entire supply chains.

From October 2024, stricter security measures, incident reporting, and management accountability have been enforced. Key sectors, including energy, transport, healthcare, and digital infrastructure, must comply with NIS2, making security a top priority.

Why NIS2 matters?

Non-compliance with NIS2 carries serious consequences, including fines of up to €10 million or 2% of global revenue, along with legal risks for management. However, NIS2 also presents an opportunity to strengthen cybersecurity and improve business resilience.

By embracing NIS2, companies can protect sensitive data, enhance operational continuity, and showcase their commitment to security. This proactive approach helps build customer trust and provides a competitive advantage.

Key changes and requirements of NIS2

NIS2 introduces several new requirements, broadening its regulatory reach. Here's what businesses need to focus on:

• Extended scope: NIS2 covers more sectors, particularly those considered essential to society. Thse include energy, public administration, healthcare, and digital services.
• Stricter incident reporting: Organizations must report significant cybersecurity incidents within 24 hours, a reduction from the previous directive’s timeline.
• Supply chain security: NIS2 puts a strong focus on supply chain security. Businesses must ensure that their systems, vendors, and partners meet stringent security standards.
• Increased fines and accountability: Non-compliance can result in fines of up to €10 million or 2% of global revenue, and management teams may face legal consequences for failing to comply with the directive’s requirements.

Here’s how TeamViewer can support you with NIS2

TeamViewer offers a range of enterprise-grade security standards and dedicated features designed to help companies comply with the NIS2 directive. From advanced endpoint protection to comprehensive incident response tools, our solutions ensure that your organization is ready to meet the new regulatory demands. Further information on TeamViewer’s security set up can be found in our Trust Center as well.

Risk management and incident handling

TeamViewer’s solutions, including hardening guides and asset management, help secure your infrastructure by tracking devices and implementing secure configurations. Our Endpoint Protection and Managed Detection and Response (MDR) services provide real-time threat detection, ensuring quick identification and response to cyber threats.

Our internal Product Security Incident Response Team (PSIRT) partners with top-tier cyber consulting firms for continuous penetration testing and promptly addresses submissions through our Vulnerability Disclosure (VDP) and Bug Bounty Programs to ensure our solutions always remain safe.

Business continuity

In the event of a disruption, TeamViewer’s remote support solutions and its global redundant network ensure that your systems can be restored quickly, minimizing downtime and safeguarding critical business operations.

Supply chain security

By adhering to standards like ISO27001, SOC2 and GDPR, TeamViewer helps secure your digital supply chain, ensuring compliance with NIS2 requirements across your vendor ecosystem.

Advanced encryption and authentication

With end-to-end encryption, two-factor authentication (2FA), and conditional access controls, TeamViewer ensures that your remote connections remain secure and compliant with the stringent requirements of NIS2.

Access control policies and asset management

Single sign-on (SSO) and conditional access simplify user management by automating onboarding and offboarding and reducing unauthorized access through centralized authentication. Use them to enforce specific password policies and provide granular control over who can access resources, under what conditions, and for how long.