A website called SnapchatDB has made available for download what they claim is a database of 4.6 million Snapchat users, revealing usernames and phone numbers. The databases release is further bad news for the popular iOS and Android app, which caught the attention of an Australian security group who published an API detailing how to access any phone number and username from the app. Snapchat said that they had implemented various safeguards and additional counter-measures to make it more difficult for hackers to scoop up the details of users.”]
Source: https://grahamcluley.com/hackers-millions-snapchat-usernames-phone-numbers/