This article provides a brief overview of techniques that can be used in your mobile iOS application to keep it secure enough for the vast majority of cases. If you are a junior or middle iOS developer and have not given much thought to security topics, this material will provide a great introduction. I will try to explain it simply, so even if you have no prior knowledge of security, you should be able to follow along.
Although Apple has a closed ecosystem, it still has security vulnerabilities. If you thought that iOS takes care of all the security issues and we as developers can do nothing about it — you were wrong. There is one simple evidence for those of you who held this position: Apple regularly releases security updates to close some of the known iOS vulnerabilities. And God knows how many of them are still open and being used by attackers to gain access to personal and important data in the apps that users have installed on their devices.
