# Internetwork traffic privacy
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MemoryDB uses the following techniques to secure your data and protect it from unauthorized access:
+ **[MemoryDB and Amazon VPC](vpcs.md)** explains the type of security group you need for your installation.
+ **[MemoryDB API and interface VPC endpoints (AWS PrivateLink)](memorydb-privatelink.md)** allows you to establish a private connection between your VPC and MemoryDB API endpoints.
+ **[Identity and access management in MemoryDB](iam.md)** for granting and limiting actions of users, groups, and roles.