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I'm currently working on a project that has sensitive data. I'm allowed to see the data on a single platform (company PC), but outside of that platform I cannot process it. I'd like to train a ML algorithm with the data but to do so I'll have to use a different PC. I cannot process the data on that PC though.

Is there anyway to translate and preserve the data in a format that can still be used for ML, but isn't in it's explicit original form?

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You can use the following techniques to mask sensitive data:

  • Substitution cipher - any character of plain text from the given fixed set of characters is substituted by some other character from the same set depending on a key.

  • Tokenization masking - mask source string data based on criteria that you specify in an algorithm.

  • Principal Components Analysis (PCA) or other dimension-reducing techniques - combine several features and then carry out ML training only on the resulting PCA vectors.

  • Data Coarsening - decrease the precision or granularity of data to make it more difficult to identify sensitive data within the dataset.

Also, read Data Masking on Wikipedia.

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Differential privacy. Where you can inject targeted noise anonymise the data, but you can still make inference.

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