OrientDB supports basic security management which is based on the users and roles model. It supports also secure SSL connections since v1.7. In addition to that, OrientDB offers the possibility to encrypt records on disk using either AES or DES algorithm (starting from v2.2). Encryption works can be configured to be executed either on a cluster level or a database level.
Moreover, OrientDB supports the token-based authentication and the integration of the LDAP. Since OrientDB supports multi-master replication. It is possible to replicate database servers in a cluster. This constitutes another security solution as it reduces risks of data loss and downtime while increasing data accessibility.
However, Neo4j does not provide any means to secure the database. Unlike OrientDB, Neo4j does not support data encryption, authorisation or auditing. To secure communications between client and server, Neo4j uses the SSL protocol (Grolinger et al., 2013). In contrast, ArangoDB supports only HTTP Basic authentication.
To sum up, while Neo4j is suitable for graph data model and complex interconnected data. ArangoDB is instead suitable for fast search queries and group-by like queries. It allows quickly building and running small applications. OrientDB is more suitable for large applications that need extensive storage, or have thousands of concurrent users it
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