What are the Best Practices for Symantec Encryption Products and secure standards for its development/engineering lifecycles?
For the Broadcom Secure Software Development Lifecycle (SSDLC), which applies to and adhered by Symantec Encryption products, see the following link:
Although the document linked above may be labeled as covering CA Technologies software, it applies to all Broadcom Software products, including those provided under the Symantec Enterprise brand such as Symantec Endpoint Encryption and PGP.