Just visit Snapchat.org or GS Lookup, type in your Snapchat username (or phone number) and the website will tell you whether your information is part of the leak.<p>To delete account go to <a href="https://support.snapchat.com/delete-account" rel="nofollow">https://support.snapchat.com/delete-account</a> and log in using your existing Snapchat credentials.