This isn't a breach or a hack: You likely gave the app developer or quiz maker permission; you just probably just didn't realize it. (vox.com)
When using quiz maker software, you can easily determine as you create a quiz whether all, or just some, of the questions will be graded. (educationworld.com)
Don't labor over making certificates by hand, though; if you use an online quiz maker such as ProProfs to administer your test, the software automatically creates a certificate. (educationworld.com)