How to deface with Tamper Data Download firefox -> mozilla.org -> go addons.mozilla.com -> Search: Tamper Data Download & install .. Q: How do i find a website what i can "deface/change" via Tamper Data? A: Think about online games. Where you can submit high scores. Example: www.littlecitygames.com/index.htm?play=leakypetesapt&gw=550&gh=400#game On this game .. catch 1 or more drupples.. then make yourself game over, so you see the next page: Open Tamper Data and click: Start Tamper Then on that page, fill in your name.. and click Submit High Score Then Tamper Data will popup: Click on Tamper , and the next will popup: Copy everything what is in POST_DATA: highScore=7&emailName=&nickName=darkcoke&score=7&fallSpeed=4&lives =1&checkLives=true&bgMusic=%5Bobject+Object%5D&alrightSND= %5Bobject+Object%5D&callmeSND=%5Bobject+Object%5D&heySND=%5Bobject +Object%5D&leakypeteSND=%5Bobject+Object%5D&soggySND=%5Bobject +Object%5D&YeehawSND=%5Bobject+Object%5D&dripSND=%5Bobject+Object %5D&buttonSND=%5Bobject+Object%5D&splashSND=%5Bobject+Object %5D&pbSND=%5Bobject+Object%5D&pipSqueekSND=%5Bobject+Object %5D&soundFX=true&soundfxInt=false&music=false&musicInt=false&oldHi ghScore=7 Then paste it in your favorite text editor.. like notepad here.. Then change highscore from 7 to 19000 for example, and nickName=darkcoke to something with HTML like (Blue background color) PS: Change all highscore to the same .. so every 7 to 19000 Then you have something like this: highScore=19000&emailName=&nickName=&score=19000&fallSpeed=4&lives=1&checkLives=true &bgMusic=%5Bobject+Object%5D&alrightSND=%5Bobject+Object %5D&callmeSND=%5Bobject+Object%5D&heySND=%5Bobject+Object %5D&leakypeteSND=%5Bobject+Object%5D&soggySND=%5Bobject+Object %5D&YeehawSND=%5Bobject+Object%5D&dripSND=%5Bobject+Object %5D&buttonSND=%5Bobject+Object%5D&splashSND=%5Bobject+Object %5D&pbSND=%5Bobject+Object%5D&pipSqueekSND=%5Bobject+Object %5D&soundFX=true&soundfxInt=false&music=false&musicInt=false&oldHi ghScore=19000 Replace the content in the POST_DATA box (in tamper data) with the text what we've changed and click ok, then a popup will come up: Click OK. And keep click submit until the page is done with loading.. lets say : until you see this: You see my nickname darkc0ke , and the blue background :P Q: Can I put my name after the 19000 ? A: Sure , just put your name after nickName and paste the HTML in it.. like: highScore=19000&emailName=&nickName=darkcoke&score=19000&fallSpeed=4&lives=1&checkLives=true &bgMusic=%5Bobject+Object%5D&alrightSND=%5Bobject+Object %5D&callmeSND=%5Bobject+Object%5D&heySND=%5Bobject+Object %5D&leakypeteSND=%5Bobject+Object%5D&soggySND=%5Bobject+Object %5D&YeehawSND=%5Bobject+Object%5D&dripSND=%5Bobject+Object %5D&buttonSND=%5Bobject+Object%5D&splashSND=%5Bobject+Object %5D&pbSND=%5Bobject+Object%5D&pipSqueekSND=%5Bobject+Object %5D&soundFX=true&soundfxInt=false&music=false&musicInt=false&oldHi ghScore=19000 Some sites are a bit less secure, so maybe you can put your background in it ... but you have to learn that HTML part by yourself. Q: Is this possible to every site? A: Almost everything , because the *highscore*.php file, have write permissions to everyone (else people cant submit their score!) so you are allowed to write to their document. Happy "deface" :D