WhatsApp may have this year followed iMessage’s lead in adopting end-to-end encryption for its messages, but a security researcher says that both still have a security flaw that can allow deleted messages to be recovered – either from the device, or remotely from iCloud backups.
Jonathan Zdziarski found the flaw in the current version of WhatsApp.
The latest version of the app tested leaves forensic trace of all of your chats, even after you’ve deleted, cleared, or archived them… even if you ‘Clear All Chats.’ In fact, the only way to get rid of them appears to be to delete the app entirely.
Zdziarski says that data was left behind no matter what deletion method was used: archiving, clearing or deleting threads – and he suggests that the same flaw is present in iMessages …
more…Filed under: Apple
