Correctly applied access control rules are key to keeping your data secure.
Almost all applications need to protect sensitive data and operations, so
putting careful thought into how to restrict access is important when designing
Depending on the sensitivity of the data that your application handles, the
repercussions of broken access control can be very severe. Data leaks can cause
reputational damage, cost your business financial penalties, make your
customers vulnerable to fraud, and even endanger national security (if you work
for a government agency).