Certificate pinning is a technique used to enhance the security of applications, including mobile apps, and websites that use SSL/TLS encryption to protect communications. The purpose of certificate pinning is to protect against various types of attacks, including Man-in-the-Middle (MitM) attacks, where an attacker intercepts and alters the encrypted traffic between a mobile app and the server it communicates with. Certificate pinning is often used in mobile apps to protect sensitive data, such as login credentials, financial information, or personal data.
Certificate pinning works by associating a specific SSL/TLS certificate with a particular domain name or IP address. When a mobile app establishes a connection with a server, it checks the server's SSL/TLS certificate to ensure that the certificate matches the pinned certificate. App developers can do iOS certificate pinning and Android certificate pinning.
Here's a high-level overview of how certificate pinning works in a mobile app:
Certificate pinning requires careful management of the pinned certificate. If the certificate expires or is replaced for some other reason, the mobile app will need to be updated with the new pinned certificate to maintain a secure connection. No-code offerings provide a convenient way to update a mobile app with a new pinned certificate without requiring an app developer to write code.
Common methods to pin a certificate in a mobile app include:
Certificate pinning is an important piece of a multi-layered security strategy for mobile apps because mobile devices are vulnerable to attacks due to their reliance on wireless networks and cellular data connections, which can be easily intercepted by attackers. By using certificate pinning, mobile app developers can add an extra layer of security to their apps and protect users from potential security breaches.
Certificate pinning should be a capability of a Mobile RASP (Runtime Application Self-Protection) solution as a way to defend against Man-in-the-Middle (MitM) attacks.
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