Data security
How do you protect data in transit between services?
How to answer this security questionnaire question, with an expert response your security or GRC team can adapt.
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Security questionnaire questions
Updated July 6, 2026
Expert answer
Encrypt internal service-to-service traffic with TLS or mutual TLS, not just external traffic. Authenticate services to each other and segment the network so only authorized paths are reachable.
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Do you have a data classification policy?What DLP (Data Loss Prevention) controls do you have?How do you handle secure key management?What encryption standards do you use (AES-256, TLS 1.3, etc.)?How do you ensure data integrity and prevent tampering?What is your data retention and disposal policy?
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