what is csslp
Certified Secure Software Lifecycle Professional (CSSLP) Definition - What does Certified Secure Software Lifecycle Professional (CSSLP) mean? A certified secure software lifecycle professional (CSSLP) is a vendor-neutral certification that tests, validates and certifies an individualâs ability in implementing security within a software development lifecycle. It is developed, tested and maintained by the International Information Systems Security Certification Consortium ((ISC)2).