Via SecurityWatch with Neil Rubenking Jul 8, 2014
Sometimes you can get a nice trade-in when you upgrade your old phone to the latest model. When that's not possible, many electronics vendors offer a decent buy-back program. But if you're already familiar with selling online through eBay or similar services, you may find it convenient to just put your old phone up for sale. When you click "Erase everything" on the phone, all your data is safely erased, right? Well, no. Forensic data recovery by researchers at Avast found that supposedly-erased phones harbored thousands of items of personal data, some of them significant.