Confidentiality - confidentiality

NIS2 Significant Incident IS-1: Confidentiality Loss Affecting Digital Data

cybersecurity

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compliance

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NIS2

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ACN

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CSIRT

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notification

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baseline

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IS-1

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significant incident

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confidentiality

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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…