WhatsApp took its own sweet time to introduce end-to-end encryption for keeping users’ data private – something that rival services offered a long time ago. But as it turns out, the service isn’t entirely secure as it still doesn’t do a great job of erasing your messages when you delete them. iOS researcher Jonathan Zdziarski noted in a blog post that deleted WhatsApp messages leave behind a forensic trace on your device, allowing anyone with physical access to your phone or backups of its data in the cloud to retrieve your conversations. In addition to being stored on your phone, these…
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