To ensure builds of a new mobile application are trusted, which solution should the security team use?

Code signing is a crucial technique used to ensure that the builds of a new mobile application are trusted. This process involves applying a cryptographic signature to the application’s code, which serves as proof of the code's origin and integrity. When an application is signed, it means that it has been verified by a trusted source, typically the developer or the development team. This assures users and the operating system that the code has not been tampered with since it was signed, thus establishing trust.

The significance of code signing in mobile application development cannot be understated. It protects against various threats, including code manipulation by malicious actors, as any unauthorized alteration of the code would invalidate the signature. Consequently, if users try to install an application with an invalid signature, the operating system can prevent that installation, thereby maintaining a level of security.

Moreover, code signing provides developers with a means to identify themselves to the users of their application, fostering a sense of trust in the application’s legitimacy. This is particularly important in mobile environments where users may be cautious regarding the applications they download and install.

In contrast, while techniques like code scanning, regression testing, and continuous delivery play important roles in the development lifecycle, they do not specifically address the trustworthiness of a codebase in