Awdurdod annibynnol y Deyrnas Unedig a sefydlwyd i gynnal hawliau gwybodaeth er budd y cyhoedd, annog cyrff cyhoeddus i fod yn agored a hybu preifatrwydd data i unigolion.

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Mae’ch data chi’n cyfrif

Practical information about your data protection and information rights

Your right to get copies of your data

Your right to access information from a public body

Does an organisation need my consent?

What to do about nuisance calls, and how to protect yourself
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Guidance and resources for public bodies, private sector organisations and sole traders
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Nuisance calls and messages

Read about action we've taken against nuisance marketing.

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