Qualified and non-qualified trust service providers F1established in the United Kingdom shall take appropriate technical and organisational measures to manage the risks posed to the security of the trust services they provide. Having regard to the latest technological developments, those measures shall ensure that the level of security is commensurate to the degree of risk. In particular, measures shall be taken to prevent and minimise the impact of security incidents and inform stakeholders of the adverse effects of any such incidents.

Qualified and non-qualified trust service providers F2established in the United Kingdom shall, without undue delay but in any event within 24 hours after having become aware of it, notify the supervisory body F3... of any breach of security or loss of integrity that has a significant impact on the trust service provided or on the personal data maintained therein.

Where the breach of security or loss of integrity is likely to adversely affect a natural or legal person to whom the trusted service has been provided, the trust service provider shall also notify the natural or legal person of the breach of security or loss of integrity without undue delay.

F4...

The notified supervisory body shall inform the public or require the trust service provider to do so, where it determines that disclosure of the breach of security or loss of integrity is in the public interest.

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