Third-party services that let Snapchat users back up their photos and videos -- and that Snapchat claims it tried to shut down -- are at the center of the latest Snapchat hack.

An enormous, 13-gigabyte library of photos and videos from an estimated 200,000 accounts had been saved through apps and websites not affiliated with Snapchat has been hacked. Snapchat popularized "ephemeral" messaging services, which claim to delete messages after they are viewed.
source -