Gesetze der Datenschutzbestimmungen ist im Deutschen doppelt gemoppelt und nicht sinnvoll. Datenschutzbestimmungen - data protection laws

Data protection:
Legislative measures designed to prevent the misuse of personal data held on computer systems. Most Western countries have legislated to require organisations holding personal data about individuals to register, and to provide mechanisms for individuals to inspect data relating to themselves and to have it corrected, if inaccurate.
(Penguin Dict. of Informtion Technology and Computer Science)

AFAIK
data protection
wenn's um den Schutz der Personen vor Datenmißbrauch geht.

data security
Wenn's eher um den Schutz der Daten geht.

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In an English written contract, this was the translation of the paragraph concerning "Datenschutzbestimmungen"...

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seen in an English contract

commonly used

In English English, we often refer to it as the "data protection act". For example: Due to the data protection act, we are unable to give you his details.