Cryptographic protection of personal data while being transmitted between systems over networks.
Encryption in transit protects personal data as it moves between systems — from user browsers to servers, between microservices, to third-party processors, and across network boundaries. The standard mechanism is TLS 1.2+ (HTTPS) for web traffic, but it also encompasses encrypted database connections, VPN tunnels for internal traffic, and encrypted API calls to processors. Under DPDPA, unencrypted transmission of personal data is a security safeguard failure.
Data intercepted in transit by attackers is fully readable without encryption. Every API call, every database query, and every file transfer containing personal data must be encrypted. This is a fundamental security safeguard under DPDPA.
A Hyderabad logistics startup ensures: customer app to API uses TLS 1.3, API to PostgreSQL uses SSL certificates, API to partner delivery APIs uses mutual TLS, and internal microservice communication uses service mesh encryption. No personal data ever travels in plaintext.
HTTPS on your frontend is not enough. Internal traffic between services, database connections, and API calls to processors must all be encrypted too. DPDPA looks at the entire data flow, not just the public-facing layer.
DPDPA Shield automates Compliance Dashboard. See how →