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Jurisdiction(s):
United Kingdom
Key definition
Information Commissioner definition

What does Information Commissioner mean? Information commissioner describes the independent regulator for information rights to whom practitioners look for enforcement, guidance and complaint handling in data protection, freedom of information and environmental information matters. In the UK, it commonly refers to the head of the Information Commissioner’s Office (ico), a statutory office under the Data Protection Act 2018 and the Freedom of Information Act 2000. The ICO regulates and enforces the UK GDPR, the Data Protection Act 2018, the Privacy and Electronic Communications Regulations (PECR), FOIA 2000 and the Environmental Information Regulations 2004. It covers data protection across England & Wales, Scotland and...

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Regulatory examples of reportable personal data breaches: UK GDPR and EDPB guidance on ICO notification and informing affected data subjects

Practice notes
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This Practice Note contains a spreadsheet, collating detailed data breach examples provided by UK and European regulators, ie:

  • ICO, personal data breaches: a guide
  • EDPB, Guidelines 01/2021 on Examples regarding Personal Data Breach Notification

The spreadsheet can be consulted to help you judge whether specific kinds of data breach should be reported to the information commissioner’s Office (ICO) and/or to affected data subjects; nonetheless, you must always undertake your own assessment of any breach that occurs within your organisation.

The reporting threshold for the ICO is lower than the threshold for notifying data subjects—this is outlined below and also indicated via notes within the relevant spreadsheet columns.

The examples are set out as detailed scenarios, which are...

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Web page updated on 22/05/2026

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Date [ date ] Parties [ name of Landlord ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Landlord) [ name of Tenant ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Tenant) [ [ name of Guarantor ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Guarantor) ] [ [ name of Mortgagee ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Mortgagee) ] Definitions Within this Deed, the terms below shall be interpreted as follows: [ Annual Rent • the annual sum reserved under the Lease; ] [ Insurance Rent • the Tenant’s share of the Landlord’s costs of insuring the Property (as set out in the Lease); ] Lease • the lease of the Property dated [ date ], entered into between (1) [ the Landlord OR [ name ...

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I, [ name ], of [ address ], solemnly and sincerely state that: [ Matters to be verified, set out in numbered paragraphs ] I make this solemn statement in good conscience, believing it to be true, and pursuant to the provisions of the Statutory Declarations Act 1835. DECLARED at [ details ] this [ day ] day of [ month and year ] Before me ................................................................................ [ signature of the person before whom the declaration is made ] A [ commissioner for oaths OR [ solicitor OR [ insert other qualification ] ] authorised to administer oaths ]...

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