There are a number of different secure software development practices, but some of the most common include:
Security requirements gathering and analysis: This involves identifying and documenting the security requirements for the software.
Threat modeling: This involves identifying and assessing potential security threats to the software.
Secure design and coding: This involves designing and coding the software in a secure manner.
DevSecOPs: DevSecOps is a set of practices that integrates security into the software development lifecycle.
Security testing: This involves testing the software for security vulnerabilities.
Security deployment and monitoring: This involves deploying the software securely and monitoring it for security vulnerabilities after deployment.