The recent online leak of images on Snapchat underlines the need for better security education.
The images were leaked after hackers broke into the servers of SnapSaved.com, one of several third party services that allow Snapchat users to secretly save images that are supposed to self-destruct.
Snapchat has denied it has been hacked for the second time in two months.
The latest incident of Snapchat hacking means that more needs to be done to remind Snapchat users of the dangers of sending intimate messages to one another.
Independent security analyst Graham Cluley said: ""I suspect that many of Snapchat's users have been lulled into a false sense of security, imagining that it is safe to share intimate images via the app and believing the marketing propaganda that suggests images will be safely erased forever within 10 seconds."
The leak of the stolen images is believed to be the work of those responsible for the recent posting of nude celebrity photos, that were stolen from cloud-based back up services.
Warnings have been issued that anyone downloading the files could be breaking child pornography laws if any of the images include nude pictures of children under 16.
Snapchat has struggled to re-establish user trust after it was hacked at the end of last year, when 4.6 million user names and phone numbers were captured by a site called SnapchatDB.
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