Cyber Incident Preparedness: Strengthening Resilience for DORA, NIS2 and GDPR
A serious cyber incident can interrupt essential services, disrupt customer operations and put sensitive data at risk. The effects may also spread through suppliers, cloud providers or managed service partners - even when your own systems were not the initial target.
Preventive controls matter, but they cannot guarantee that an incident will never happen. Organisations also need a practical plan for maintaining critical operations, responding decisively and restoring technology safely. Preparation can be grouped into four areas: business continuity, people, technical recovery and critical decisions.
These are useful foundations for organisations working to improve resilience and meet relevant obligations under the Digital Operational Resilience Act (DORA), NIS/2 and the GDPR.
1. Build business continuity around critical services
Start by identifying the services your organisation must maintain during a disruption. For each one, document how long it can operate without key systems, what dependencies support it, and what temporary workarounds are viable.
This information helps you make realistic choices when normal operations are impossible. It can guide which systems receive extra protection, which services should be restored first, and what resources are needed to operate in a degraded mode. Recovery priorities should be agreed in advance - not improvised during an incident.
Include the teams who deliver services, as well as customers, partners and suppliers where their cooperation is necessary. Assess what would happen if a critical supplier became unavailable, and agree how you would communicate and coordinate with them. A business continuity plan should also explain how compromised systems will be rebuilt securely, not just how to keep work going temporarily.
Test the plan regularly. Tabletop exercises can expose gaps in roles and decision-making; technical exercises can reveal whether recovery steps work in practice. Record what the exercise uncovered and track improvements to completion.
2. Prepare people to act under pressure
During a disruptive incident, staff may need to work without familiar systems, make decisions with incomplete information and sustain operations under pressure. Clear responsibilities and rehearsal make those demands more manageable.
Define who leads operational response, technical recovery, legal and regulatory assessments, communications and major decisions. Make sure authority is delegated so that decisions can still be made if a senior leader is unavailable, including outside normal working hours. Keep contact and role information current, and maintain an offline copy of essential contacts in case corporate directories are inaccessible.
Plan secure alternative communication channels. Email and business messaging may be unavailable or untrusted during an attack, so response teams need another way to coordinate. Include suppliers and partners in relevant exercises, and agree how to reach them if normal systems fail.
People are also a finite recovery resource. Consider whether you have enough skilled staff to reset credentials at scale, rebuild systems and restore devices. Avoid relying on a single person for a critical task. Plan shift cover, rest periods and welfare support for prolonged incidents, and tell employees what to do if systems become unavailable.
3. Make technical recovery secure and testable
A backup is only useful if it is protected, available and restorable. Keep backups separate from production systems and protect them from unauthorised changes or deletion. Where possible, make them immutable. Test restoration regularly, including the data, applications, identity systems and configurations needed to bring critical services back.
Recovery is not simply a matter of switching systems on again. Teams need to know the order in which infrastructure and services must be restored, how systems depend on one another, and how data created during manual workarounds will be checked and reconciled with restored data.
Keep accurate network diagrams, asset inventories and recovery instructions somewhere secure and separate from primary systems. Centralised, appropriately retained logs can help teams understand how an attack occurred, identify affected systems and reduce the risk of restoring a compromised environment.
Cloud and operational technology (OT) also need specific recovery planning. For cloud services, plan how administrators will reach management functions if corporate networks are offline, and require strong authentication. Before reconnecting restored systems, validate that they are secure. If your organisation uses OT, coordinate its recovery with IT and account for safety and operational consequences.
Identify external incident-response and recovery partners before you need them. Agree their responsibilities, skills, availability and communication routes; one provider may not cover every part of the recovery effort.
4. Agree critical decisions before an incident
Leaders may need to make high-impact choices quickly - for example, whether to isolate systems, invoke recovery plans, operate manually or issue a public statement. Agree in advance who can make these decisions, what needs to be escalated and which legal, regulatory and operational considerations apply.
Pre-agreed decision principles help leaders act consistently under pressure. For example, assess the potential business impact of containment measures: disconnecting a system may limit an attacker's access, but it may also interrupt services. Planning allows the organisation to weigh controlled disruption against the risk of a wider, uncontrolled outage.
Prepare a communications plan with named owners, approval routes, alternative channels and draft messages. Communications to customers, suppliers, staff and other stakeholders should be timely, accurate and appropriate to each audience. Keep messages consistent and avoid speculation.
Ransom decisions should be part of the organisation's preparedness, not a hurried reaction. Paying does not guarantee access to data, deletion of stolen information or a secure recovery. It may also leave systems compromised or create legal and sanctions risks. A tested recovery capability gives the organisation more options.
Connect preparedness with DORA, NIS2 and GDPR
These four preparation areas can support a practical resilience programme, but they do not replace a legal assessment of which requirements apply to your organisation. DORA concerns digital operational resilience for in-scope financial entities. NIS2 applies to entities within its scope, with national implementation affecting how requirements operate in each Member State. The GDPR remains relevant when a cyber incident involves personal data.
One incident may therefore require several distinct assessments: operational impact, applicable incident-reporting duties, and whether a personal data breach must be notified. Build those assessments into your incident playbook. Identify who makes each assessment, who contacts the relevant authorities, what information must be gathered and how decisions are recorded. Confirm the applicable reporting routes and deadlines for your organisation rather than relying on a generic timeline.
How Bizoneo GRC transforms resilience into a competitive advantage
Moving from static documents to an active resilience capability requires a structured approach to Governance, Risk, and Compliance (GRC). This is where Bizoneo GRC provides essential support.
Managing the requirements of DORA, NIS2 and GDPR simultaneously can be overwhelming. Bizoneo streamlines this by mapping shared controls across different frameworks, preventing duplicate work and ensuring no regulatory gaps are left open. Instead of chasing spreadsheets, you can manage your asset inventories, risk registers, and business continuity plans in one centralised location.
Bizoneo also assists in the "People" and "Critical Decisions" aspects by automating the tracking of roles and responsibilities. You can ensure that your incident response playbooks are current, that training is tracked, and that evidence of testing (such as tabletop exercise results) is documented for auditors and regulators. By integrating these elements, Bizoneo transforms cyber resilience from a checklist exercise into a continuous, measurable business process.
Turn the plan into a capability
A plan that has not been exercised may fail when people need it most. Use Bizoneo to begin a focused review:
- Identify critical services, dependencies and acceptable periods of disruption.
- Confirm business, technical, legal and communications roles - and deputies.
- Establish offline contacts and alternative communication channels.
- Review backup protection and test restoration of priority services.
- Check supplier resilience, recovery responsibilities and escalation routes.
- Run an exercise, document gaps and assign owners and deadlines for improvements.
Conclusion
Cyber resilience is not just about preventing an attack. It is the ability to sustain important services, make sound decisions and recover safely when disruption occurs. Preparing across business continuity, people, technology and leadership - supported by a robust GRC tool like Bizoneo - gives organisations a stronger foundation for operational resilience and for addressing DORA, NIS/2 and GDPR responsibilities.
Credits: This blog post has been prepared by Wanda Lust, one of our AI experimental workers, reviewed and edited by our team. Wanda has been inspired by our team's experience, the Bizoneo solution capability and ample inspiration from the UK National Cyber Security Centre (NCSC) excellent guidance: "Preparing for highly disruptive cyber incidents" at https://www.ncsc.gov.uk/collection/disruptive-cyber-attacks/preparing. Picture credits: StartupStockPhotos Pixabay and Concord90 Pixabay