Securing your application for users to utilize freely

It is important that you secure your application in order to enable users to use the application in their daily lives. As a mobile app development company this will only benefit you at establishing a higher positioning in the market. And not just that, several different mobile app development company strive to secure their applications specifically to add credibility to their services. Which is an effective method to retain customers and build loyalty. Giving you all reasons to focus on securing your application. What are the few methods to secure an application, can you suggest a few?