A deep dive into : Mutual TLS

Gupta Bless
4 min readFeb 11, 2024
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Introduction

Mutual Transport Layer Security (TLS) allows for two-way authentication and encryption of data transmitted across a network. Client and server must both use digital certificates for mutual authentication if the connection is 2-way. In comparison to conventional or one-way TLS, this method can establish a more secure and reliable connection.

The use of two-way authentication in Mutual TLS improves data integrity and confidentiality while decreasing the likelihood of impersonation. It is more difficult for an attacker to intercept and alter the conversation while using Mutual TLS since both the client and the server are required to produce authentic certificates during the handshake. This makes it possible to limit the impact of a Man-in-the-Middle attack. When it comes to infrastructure like microservices and the Internet of Things, Mutual TLS may also secure communication. The usage of mutual TLS is still preferred by enterprises even when dealing with APIs and the management of highly sensitive data through them. Let us discuss it in more depth:

How Mutual TLS Work

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Gupta Bless

Security enthusiast working to secure web for others.