BIO & NIS2: Audit-ready guides for government security

Cybersecurityregels voor de overheid worden steeds strenger. De nieuwe Europese NIS2-richtlijn en de BIO2 (Baseline Informatiebeveiliging Overheid versie 2) zetten overheidsorganisaties onder druk. De gevolgen bij het niet naleven van deze regels zijn serieus: hoge boetes die oplopen tot 10 miljoen euro of zelfs 2% van de jaaromzet. Vanaf 17 oktober 2024 moet NIS2 actief zijn binnen Europa, terwijl Nederland deze regels rond medio 2025 officieel invoert. Deze blog biedt heldere en praktische stappen om jouw organisatie klaar te maken voor audits rond NIS2 en BIO2. Zo voorkom je risico’s en zorg je ervoor dat jouw organisatie veilig en volgens regels blijft werken.

What is NIS2 & how does it relate to the BIO?

NIS2 stands for Network and Information Security Directive 2. This European directive ensures that organizations in the EU provide better protection against digital threats. The goal is clear, uniform rules to better prevent cyberattacks.

BIO is the standard for information security within the Dutch government. It indicates what is minimally required to work securely. BIO aligns well with NIS2 because both regulations focus on better cybersecurity, clear agreements, and transparent reporting of incidents. They therefore complement each other, making it easier for organizations to comply with both sets of rules without duplicating effort.

Scope Expansion & Sector Criteria

Under NIS2, more organizations will be subject to obligations. This applies particularly to two groups: essential and important entities. Essential entities include, for example, energy companies and banks. Important entities include smaller organizations such as municipalities and certain government agencies. Only organizations like defense and courts are excluded.

Municipalities and independent administrative bodies (zbo's) are now primarily affected by NIS2. They usually fall under the category of essential entities. For them, this means they must pay extra close attention to digital security. This requires clear procedures, such as periodic checks and good preparation for potential incidents.

Obligations: duty of care, reporting, and supervision

With the introduction of NIS2, clear rules are established for reporting cybersecurity incidents. If something serious happens, you must report it within 24 hours via a so-called ‘early warning’. A full report of the incident will follow within 72 hours at the latest. This concerns not only what happened, but also how your organization responded and what the consequences are.

In addition, NIS2 imposes requirements for regular audits. These are necessary to verify that the security measures are effective. These obligations directly align with the controls prescribed by BIO. Furthermore, management will be held personally liable for violations. This means that CISOs, ISOs, and management members must be actively involved in compliance and clearly document their responsibilities.

Deadlines and national implementation

NIS2 was established by the European Union and must be active in all EU member states by October 17, 2024. The Netherlands is translating these rules into the Cybersecurity Act (Cbw), which is expected to come into effect in mid-2025. Between now and these deadlines, organizations will have limited time to adapt.

This new legislation contains strong sanctions. Fines can amount to 10 million euros or 2% of your annual turnover, whichever is higher. By starting in time, you can avoid rushing and calmly implement all measures.

Risk analysis & gap assessment

To properly understand where you stand, a clear risk analysis is necessary. This helps you quickly see what is already well-arranged and where improvements are still needed. Such an analysis consists of three important steps:

1. Inventory what's happening within your organization.
2. Classifying risks and vulnerabilities.
3. Prioritize using a clear risk matrix.

The most convenient is to make a practical comparison between NIS2 and ISO 27001 of BIO2. This allows you to immediately see where any gaps are. A pre-filled template can be very helpful here. The result is a clear priority list that your organization can immediately start working with.

Management and governance

For successful compliance with NIS2 In IT, management is clearly important. The roles of CISOs, ISOs, and internal audit managers play a significant part in this. They must ensure that policies, measures, and reporting are well-organized.

Directors also play an active role: they are personally responsible if things go wrong. Therefore, it is essential that the board remains involved. Ensure clear agreements are made about who is responsible for what. Also, establish clear procedures so you know how to report and handle incidents and problems within the organization. Good communication prevents problems and makes audits easier.

Internal audit planning

To maintain a grip on cybersecurity, a good audit plan helps. With this, you annually test whether your organization complies with all regulations. During an internal audit, you not only check if the rules exist, but also if they actually work. This way, you ensure your measures are effective and improve them if necessary.

This can be well combined with existing audits, such as the ENSIA cycle for municipalities, to avoid duplication of work. Each audit provides clear evidence that is useful for reports and controls, demonstrating that your organization takes digital security seriously.

Supply Chain & Contract Management

Not only does your own organization need to be well-secured, but suppliers can also be a weak link. That's why NIS2 sets clear requirements for how you manage suppliers. This includes documenting agreements in contracts. For example, you regulate how quickly a supplier reports an incident, how long they retain data, and which audits they permit.

A clear approach helps categorize suppliers by risk. Suppliers who work with sensitive data, for example, receive extra attention. This allows you to better assess where risks lie and what is needed to protect your organization.

Tools & Automation

Because cybersecurity demands a lot from organizations, automation is valuable. Good tooling helps with collecting evidence and maintaining an overview. With Governance, Risk & Compliance (GRC) software, you can easily create and track reports. This saves a lot of time.

Automated scans are also useful for quickly discovering problems. This includes programs that check daily whether systems are secure and whether measures are working properly. This approach ensures that problems are discovered early, before they cause greater damage.

Roadmap 2025 - Quick Wins

To get started quickly, a clear roadmap works well. Make actions concrete for the short and longer term, for example, a list of measures for the coming 30, 60, and 180 days. Start immediately with simple steps such as reviewing your security policy, training staff, and conducting security tests.

Please do not hesitate to contact us for assistance with implementation!