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Asked: 2026-06-13T08:08:16+00:00

My question is what are the good practise’s to store document with sensitive data

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My question is what are the good practise’s to store document with sensitive data that might need encryption.

Few thoughts that I have are: 1) Store all document in Sql Server as
FILESTREAM (don’t know the drawback’s of it. 2) Use one of these NoSql
Db. But then how safe it will be to keep documents with sensitive data.
3) Simple way upload them and store them on disk for every customer
with security.

The technology I will be using is xUnit, ASP.NET
MVC 4, C#, Web API, Entitty Framework and Sql Server 2012

Any idea’s or opinions will be highly appreciated

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1 Answer

  1. Editorial Team

    Well, the way you store the data is less important, as long as the data stored in the correct way. It doesn’t matter if you use SQL Server (btw, if your data is less than 2GB you can use varbinary(max) which is limited to 2GB and store the data in that column). What matters is the following things:

    1. You choose the right encryption algorithm – you can choose between Symmetric encryption and Asymmetric encryption algorithms.
    2. You save and protect the encryption key. There is no much value for the encryption if somebody can just get the key easily.

    After you have encrypted stream – it doesn’t really matter if you’ll store it in NoSQL DB, SQL Server or file on the filesystem – choose whatever is best for your app. if you already use SQL Server – then save the encrypted data in it.

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