OrientDB is the NoSQL implementation with the greatest focus on security.
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To connect to an existing database, you need a user and password. Users and roles are defined inside the database. For more information on this process, see Database Security.
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In the event that you're connecting to the OrientDB Server that is hosting the database, you can access the database using the server's user. For more information on this process, see Server Security.
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Additionally, you can encrypt the database contents on disk. For more information on this process, see Database Encryption.
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