cybersecurity
|compliance
|NIS2
|ACN
|CSIRT
|notification
|baseline
|IS-1
|significant incident
|confidentiality
|data leak
NIS2 Significant Incident IS-1: Confidentiality Loss Affecting Digital Data
February 11, 2026
IS-1 in the ACN baseline model covers confidentiality loss affecting digital data under entity ownership or control. Practical guide to qualification…