Basics of Transport Layer SecurityDigital SigningCertificates, Certificate Authority, and Identity VerificationEncryption Using TLSTLS Termination and Trade-offs with MicroservicesTLS Offloading and TerminationCost and Complexity Considerations with Encryption in TransitApplication of TLS in MicroservicesSecurity in Transit While Using Message Queues (AWS SQS)gRPC and Application Load BalancerMutual TLSA (Very Brief) Introduction to Service Meshes: A Security PerspectiveProxies and SidecarsApp Mesh Components and TerminologyTLS and App MeshmTLS RevisitedAWS App Mesh: Wrap-UpServerless Microservices and Encryption in TransitAWS API Gateway and AWS LambdaCaching, API Gateway, and Encryption in TransitField-Level EncryptionSummary