--- title: "Incident notification: guides and insights" description: How to recognise a significant incident and prepare the early warning, the notification and the final report within the NIS 2 deadlines. canonical: https://www.aegister.com/en/cms/keyword/incident-notification/ url: /en/cms/keyword/incident-notification/ lang: en --- ![](https://www.aegister.com/static/images/header-news.webp) # Incident notification How to recognise a significant incident and prepare the early warning, the notification and the final report within the NIS 2 deadlines. ## All articles October 05, 2026 ### [Cyber Console 2.0: redesigned from top to bottom](https://www.aegister.com/en/cms/insights/cyber-console-2-0/) Cyber Console reaches version 2.0: an interface redesigned from top to bottom, one search for the whole console, video guides to using the console an… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [Incident notification](https://www.aegister.com/en/cms/keyword/incident-notification/) [ISO 27001](https://www.aegister.com/en/cms/keyword/iso-27001/) +8 October 01, 2026 ### [ECCC CYBERAI Funding 2027: Secure AI for European Cyber Operations](https://www.aegister.com/en/cms/insights/eccc-cyberai-2027-secure-ai-cyber-operations/) The CYBERAI topic funds secure, trustworthy AI for detection, threat intelligence, response and self-healing in European cyber operations. How it dif… [Incident notification](https://www.aegister.com/en/cms/keyword/incident-notification/) [Cyber threats](https://www.aegister.com/en/cms/keyword/cyber-threats/) [Security monitoring](https://www.aegister.com/en/cms/keyword/security-monitoring/) +9 April 23, 2026 ### [NIS 2 vs GDPR: Key Differences and Overlap for Italian Organizations](https://www.aegister.com/en/cms/insights/nis-2-vs-gdpr-comparison-italian-organizations/) Comparison guide for Italian organizations: how NIS 2 and GDPR differ, where they overlap, and how to coordinate incident notification when personal … [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) [Incident notification](https://www.aegister.com/en/cms/keyword/incident-notification/) +7 April 14, 2026 ### [New NIS Subjects in 2026: Incident-Notification and Baseline-Measure Deadlines](https://www.aegister.com/en/cms/insights/new-nis-subjects-2026-incident-notification-deadlines/) The ACN 2026 timing determination sets a distinct implementation path for entities first listed in the Italian NIS perimeter during 2026: significant… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) [CSIRT](https://www.aegister.com/en/cms/keyword/csirt/) +8 April 14, 2026 ### [ACN NIS 2026 Platform Rules and New Deadlines: Master Overview](https://www.aegister.com/en/cms/insights/nis-acn-platform-2026-new-deadlines-overview/) ACN's April 2026 package sets new NIS deadlines for subjects listed for the first time in 2026 (incident notification from 1 January 2027, baseline m… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [Determinazione 127437/2026](https://www.aegister.com/en/cms/keyword/determinazione-1274372026/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +6 February 24, 2026 ### [NIS 2 Executive Board Reporting: How to Turn Audit Outputs into Governance Decisions](https://www.aegister.com/en/cms/insights/nis2-executive-board-reporting-audit-governance/) Practical executive reporting model for NIS 2 audit outcomes with minimum KPI set, traffic-light escalation, and evidence-based closure visibility fo… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) [Incident notification](https://www.aegister.com/en/cms/keyword/incident-notification/) +9 February 20, 2026 ### [ACN Adopts Incident Taxonomy Under Law 90/2024: What Obligated Entities Must Do Now](https://www.aegister.com/en/cms/insights/acn-incident-taxonomy-law-90-2024/) ACN adopted the incident taxonomy under Law 90/2024 via the Determina of 9 February 2026. Obligated entities must now report incidents within 24 hour… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) [Incident notification](https://www.aegister.com/en/cms/keyword/incident-notification/) +7 February 19, 2026 ### [NIS 2 Incident Management Documentation Review: Method, Gaps, and Remediation Priorities](https://www.aegister.com/en/cms/insights/nis2-incident-management-documentation-review-method/) Practical review model for NIS 2 incident-management documentation covering process integrity, notification readiness, role accountability, and crisi… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) [Incident notification](https://www.aegister.com/en/cms/keyword/incident-notification/) +8 February 18, 2026 ### [NIS 2 Point of Contact and CSIRT Contact Role: Accountability and Operating Duties](https://www.aegister.com/en/cms/insights/nis2-point-of-contact-csirt-role-accountability/) NIS 2 implementation guidance distinguishes the legal Point of Contact from the operational CSIRT contact role. Practical guide to role formalization… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +10 February 13, 2026 ### [NIS 2 Significant Incident IS-3: Violation of Expected Service Levels](https://www.aegister.com/en/cms/insights/nis2-significant-incident-is-3-service-level-violation/) IS-3 in the ACN baseline model covers service-level violation incidents affecting entity services and activities. Practical guide to qualification, s… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +9 February 12, 2026 ### [NIS 2 Significant Incident IS-2: Integrity Loss Affecting Digital Data](https://www.aegister.com/en/cms/insights/nis2-significant-incident-is-2-integrity-loss/) IS-2 in the ACN baseline model covers integrity loss affecting digital data under entity ownership or control. Practical guide to qualification, evid… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +8 February 11, 2026 ### [NIS 2 KPIs and continuous improvement: operational metrics for resilient compliance](https://www.aegister.com/en/cms/insights/nis2-kpis-continuous-improvement/) ACN guidance frames improvement as a continuous phase across the full incident lifecycle. This guide provides a practical KPI framework, governance r… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +8 February 11, 2026 ### [NIS 2 Significant Incident IS-1: Confidentiality Loss Affecting Digital Data](https://www.aegister.com/en/cms/insights/nis2-significant-incident-is-1-confidentiality-loss/) IS-1 in the ACN baseline model covers confidentiality loss affecting digital data under entity ownership or control. Practical guide to qualification… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +8 February 11, 2026 ### [Common NIS 2 compliance mistakes: practical gaps that delay baseline readiness](https://www.aegister.com/en/cms/insights/nis2-common-compliance-mistakes/) Most NIS 2 delays are operational: missing evidence, unclear ownership, untested notification workflows, and late governance decisions. A practical g… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +6 February 10, 2026 ### [NIS 2 Incident Typology Model: Condition, Compromise, and Affected Object](https://www.aegister.com/en/cms/insights/nis2-incident-typology-model/) ACN baseline guidance classifies significant incidents through condition, compromise, and object of compromise. Practical guide to using the typology… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +8 February 09, 2026 ### [NIS 2 incident-notification obligations are live: operating model after the 9-month deadline](https://www.aegister.com/en/cms/insights/nis2-incident-notification-live-operating-model/) The NIS 2 9-month incident-notification deadline passed in January 2026. This guide provides the post-deadline operating model: governance confirmati… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) [CSIRT](https://www.aegister.com/en/cms/keyword/csirt/) +6 February 09, 2026 ### [NIS 2 incident management and CSIRT notification plan: practical guide for an approvable RS.MA-01 document](https://www.aegister.com/en/cms/insights/nis2-incident-management-csirt-notification-plan-rs-ma-01/) The incident management plan is mandatory under NIS 2 Appendix C (RS.MA-01). This guide covers what an approvable plan must include, a practical temp… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) [Incident notification](https://www.aegister.com/en/cms/keyword/incident-notification/) +10 February 06, 2026 ### [NIS 2 crisis management plan: practical guide for an approvable ID.IM-04 document](https://www.aegister.com/en/cms/insights/nis2-crisis-management-plan-id-im-04/) The crisis management plan is mandatory under NIS 2 Appendix C (ID.IM-04). This guide covers what an approvable plan must contain, a practical templa… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +10 February 05, 2026 ### [NIS 2 Response Controls (RS): Signaling and Investigation Operating Model](https://www.aegister.com/en/cms/insights/nis2-response-rs-signaling-investigation/) The NIS 2 Response (RS) domain requires structured incident response through signaling, investigation, and iterative decision loops. Practical guide … [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +11 February 04, 2026 ### [NIS 2 Detection Controls (DE): Event Monitoring and Adversarial Signal Handling](https://www.aegister.com/en/cms/insights/nis2-detection-de-event-monitoring/) The NIS 2 Detection (DE) domain requires monitoring networks, services, and endpoints to identify adverse events early. Practical guide to log readin… [NIS 2](https://www.aegister.com/en/cms/keyword/nis-2/) [NIS 2 baseline measures](https://www.aegister.com/en/cms/keyword/nis-2-baseline-measures/) [ACN](https://www.aegister.com/en/cms/keyword/acn/) +11