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The four EU regimes that put a clock on a cyber incident – NIS2, DORA, the GDPR and the Cyber Resilience Act – read against each other, article by article.

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GuidesFile 06 / guides

Four regimes, four documents

Each guide takes one instrument end to end: the population it binds, the test that starts the clock, every filing it requires, what each filing has to contain, and the duties from the other three regimes that run alongside it.

The set

All four guides

  1. NIS2 incident reporting: the 24-hour, 72-hour and one-month duties

    One article, four filings and two separate audiences. What Article 23 actually requires at each mark, what makes an incident significant, and why the recipient is a national question.

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  2. DORA major incident reporting: classify first, then the clock starts

    Four hours, not twenty-four, and they run from classification. What makes an incident major, what each of the three filings must contain, and which entities lose the weekend relief.

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  3. The GDPR 72-hour rule, stated the right way round

    Article 33 requires notification unless the breach is unlikely to result in a risk. That is a negative test with the default set to notify, and getting it backwards is the most expensive reading error in the subject.

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  4. Cyber Resilience Act Article 14: reporting an exploited vulnerability

    The only part of the CRA already in force, and it reaches every connected product you have ever shipped. Two duties, two clocks, and one notification that goes to a CSIRT and ENISA at the same moment.

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