Lesson 1 of 7
Start with a security mindset
Explanation
App security means reducing the chance that someone can misuse your app, accounts, or data. Start by listing what matters: user accounts, private messages, uploaded files, payments, and admin controls. Then ask who should be allowed to use each thing and what could go wrong if it is exposed.
Visual explanation
Read this from left to right: what goes in, what happens, and what comes out.
Valuable app data
Decide who needs access
Protect it
Security work begins by mapping valuable data and actions before you add controls.
In plain language
Start by deciding what matters and who should be allowed to use it.
Remember
Know what you protect before choosing protection.
What to do
Name one valuable thing in your app that needs protection.
Validation questionWhat should you identify first: the valuable data and actions, or a list of hacking tools?