Snapchat, which was though to be a private messaging app for the iPhone, exposed some 4.6 million users after hackers released a database with apparent Snapchat usernames and partial phone numbers.
Check if your data has been leaked – enter your Snapchat account ID
On Christmas Day, ZDNet reported that Gibson Security, the group of hackers that discovered the exploit, notified Snapchat of the problem in August.
Gibson Security published a security advisory the same month after Snapchat did not respond or take action.
The exploit could have been fixed by “ten lines of code” and would have never appeared “if they followed best practices and focused on security (which they should be, considering the use cases of the app),” Gibson Security said.