Introduction

When you deal with user information, there is nothing more important than respecting the user's privacy, and ensuring that all information shared by the user is in a secure location and no one except your system can access it. Right now, we deal with many apps that know a lot or almost everything about life, such as photos, videos, notes, payments, messages, call history, and so on. Dealing with sensitive data recklessly leads to serious problems to your users, and you will be in trouble. Making everything secure is not an easy solution or a final solution. You can say that yes, my app is now secure or no one can hack my system at any rate. All giant companies always do research and tests for their system and are up to date on all new ways to block attacks or to protect users' information. In iOS, users feel more secure than with other systems, thanks to...