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Prepare for DORA Part 3 – Incident Reporting & Response Under DORA: What’s Changing?

Writer's picture: Chenyun ChuChenyun Chu

With DORA now in effect, financial institutions across the EU face strict new requirements for cybersecurity incident reporting and response. The regulation mandates a structured approach to handling cyber incidents, ensuring that financial entities can detect, report, and mitigate disruptions efficiently.


DORA Incident Response

For many organizations, incident reporting has traditionally been a compliance-driven exercise, focusing on documentation rather than real-time security operations. However, DORA raises the bar for operational security by demanding deeper visibility into an organization’s security posture, faster threat detection and response times, and closer coordination with ICT service providers. Financial institutions must now ensure they have proactive monitoring, automated escalation processes, and well-defined incident response playbooks that integrate seamlessly with both internal security teams and external vendors to contain and mitigate threats before they escalate into major disruptions.


One key change is that third-party service failures or breaches are explicitly in scope. If a cyber incident originates from a cloud provider, cybersecurity vendor, payment processor, or any ICT service supporting financial operations, the affected financial institution is still responsible for ensuring proper reporting.


In this installment of our "Prepare for DORA" series, we’ll break down:

  • Key incident reporting requirements under DORA

  • How third-party ICT failures fall under DORA’s scope

  • What a DORA-compliant incident notification looks like

  • Why having a plan and running dry-run exercises is critical


1. DORA’s Incident Reporting Requirements: What’s New?

DORA introduces a standardized framework for cybersecurity incident reporting across the EU financial sector. Under Article 19 of DORA, financial institutions must:

  • Detect & classify cyber incidents quickly

  • Report major incidents within tight regulatory deadlines

  • Ensure ICT service providers support incident reporting

  • Maintain detailed post-incident reviews & improvements


What is a Major ICT-Related Incident?

DORA defines a major ICT-related incident as any cyber event that:

  • Significantly disrupts financial services or business operations

  • Compromises critical data or system integrity

  • Has a high impact on financial markets, clients, or third parties


Examples of reportable incidents under DORA:

  • A ransomware attack cripples online banking services for more than 12 hours.

  • A DDoS attack disrupts transactions across multiple European markets.

  • A payment processor experiences a breach, leaking sensitive financial data.

  • A cloud provider outage affects the bank’s ability to process real-time payments.


Key takeaway: If an incident has a material impact on financial services, it must be reported—regardless of whether it originated internally or from a third-party provider.


2. Incident Reporting Timelines: How Fast Do You Need to Respond?

DORA imposes strict deadlines for incident reporting. The three-stage reporting model ensures regulators receive updates as incidents unfold:


📌 Initial Notification – Within 4 Hours

  • Financial institutions must provide an early warning to regulators within 4 hours of detecting a major incident.

  • This notification must include:

    • Brief description of the incident

    • Initial assessment of impact

    • Status of ongoing mitigation efforts


Example:

"At 03:00 CET, [Bank Name] detected an unauthorized access attempt on its core banking system, potentially impacting real-time transaction processing. Initial investigations indicate a compromised third-party API connection. The incident is currently contained, and forensic analysis is ongoing."


📌 Intermediate Update – Within 24 Hours

  • A more detailed report must be submitted within 24 hours, outlining the cause of the incident, affected systems, and mitigation steps.

  • If an incident involves third-party ICT providers, they must assist in compiling relevant details.


Example:

"Following initial containment efforts, forensic analysis confirmed that a third-party service provider’s API vulnerability was exploited, allowing unauthorized access to customer transaction logs. As a mitigation step, API connections have been suspended, and additional monitoring measures have been deployed. No unauthorized transactions have been detected at this time."


📌 Final Report – Within 1 Month

  • A comprehensive post-incident analysis must be completed within 1 month.

  • This must include root cause analysis, lessons learned, and long-term preventive measures.


Example:

"The root cause was identified as an unpatched vulnerability in [Vendor Name]’s authentication system. As corrective action, all third-party integrations have been reviewed, new multi-factor authentication requirements have been enforced, and vendors are now required to submit quarterly security assessments."


Failure to report incidents on time may result in regulatory penalties or increased scrutiny.


3. Third-Party ICT Providers & Incident Response: Who is Responsible?


DORA extends incident reporting requirements beyond financial institutions to third-party ICT service providers. If an incident originates from a cloud provider, cybersecurity vendor, or SaaS provider, they must:

  • Notify the affected financial institution immediately

  • Provide real-time updates & threat intelligence

  • Support forensic investigations & recovery efforts


Key takeaway: Financial institutions cannot rely on vendors alone—they must have internal monitoring & response capabilities to meet DORA’s reporting deadlines.


4. Adapting Your Incident Response Plan: The Need for a Plan & Dry Runs

Meeting DORA’s strict deadlines isn’t just about having the right tools—it’s about having a tested, well-documented incident response plan.

4-1. Define Roles & Responsibilities

  • Establish a clear incident response team with defined roles for detection, containment, and reporting.

  • Ensure ICT vendors understand their reporting obligations.

4-2. Create a Playbook for Major Incidents

  • Develop a step-by-step incident response guide mapped to DORA’s reporting deadlines.

  • Include pre-approved communication templates for regulators, internal teams, and external vendors.

4-3. Conduct Regular Dry Runs

  • Run real-world simulation exercises at least twice a year to test incident response workflows.

  • Conduct red teaming and penetration testing to uncover vulnerabilities before a real incident occurs.


5. What’s Next?

Part 4: Cyber Resilience Testing & Operational Preparedness

  • How to implement DORA-compliant penetration testing & threat-led red teaming.

  • Best practices for simulating real-world cyber incidents to test response capabilities.

  • How financial institutions should integrate resilience testing with regulatory compliance.


Stay tuned for Part 4 coming soon! 




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