> if theres a bunch of numbers in my url after i login, and i'm oh so curious what i'd see if i increment that number by 1, now i'm hacking Under the definitio

> if theres a bunch of numbers in my url after i login, and i'm oh so curious what i'd see if i increment that number by 1, now i'm hacking Under the definition above, if you do it to deliberately bypass the control, then yes. If you do it out of curiosity without believing you might subvert any control, then no you're not hacking.