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Hack-proofing RFID-equipped personal devices

Radio-frequency identification (RFID) tags have become almost ubiquitous – look carefully, and you'll notice them in passports, credit cards, library books, office access passes, and even pet cats.

Changing SIM card number for more secure mobile phone

A continuously changing SIM card number ensures that your mobile phone can no longer be traced and tapped and enables it to check whether it is in contact with an authentic radio tower. Computer scientist Fabian van den Broek ...

Amazon orders reset for some customers' passwords

Amazon.com has required an undisclosed number of customers to reset passwords to their online accounts after the company said some passwords "may have been improperly stored" on devices.

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