Snapchat hack exposes 4.6m user names and phone numbers


Popular photo sharing app Snapchat has been hacked, leading to the account information of 4.6 million users being temporarily been posted online by hackers.

The hacker, known as "Lightcontact", first posted the account information on Reddit and on a website called, which was later taken offline.

While the information was posted online, the hacker did censor the final two digits of users' phone numbers and their second names.

In a statement to technology blog TechCruch, SnapchatDB said it got the information through a recently identified and patched Snapchat exploit.

"Our motivation behind the release was to raise the public awareness around the issue, and also put public pressure on Snapchat to get this exploit fixed," SnapchatDB said.

"It is understandable that tech startups have limited resources but security andprivacy should not be a secondary goal. Security matters as much as user experience does.

"Our main goal is to raise public awareness on how reckless many internet companies are with user information. It is a secondary goal for them, and that should not be the case. You wouldn't want to eat at a restaurant that spends millions on decoration, but barely anything on cleanliness."

Snapchat later admitted the flaws in the application, adding that it has added more security features.
"Theoretically, if someone were able to upload a huge set of phone numbers, like every number in an area code, or every possible number in the US, they could create a database of the results and match usernames to phone numbers that way," Snapchat said in a blogpost.

Over the past year we've implemented various safeguards to make it more difficult to do. We recently added additional counter-measures and continue to make improvements to combat spam and abuse."

SnapchatDB noted that the measures were not strong enough to prevent hacking.
"Even now the exploit persists. It is still possible to scrape this data on a large scale. Their latest changes are still not too hard to circumvent," it said.

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