DevOps at its heart leads to continual improvement in software through continuous deployment: develop, deploy, and repeat. But continuous deployment requires lots of changes to that software on a weekly or daily basis. How do we maintain security in software created in continuous deployment environments? Security challenges & solutions in continuously deployed software. For example, input validation is used to check all input into an application and reject any harmful input. You simply dont allow input sequences that could be used to inject code into a browser or database, says Tom Stiehm, CTO, Coveros.”]