

Many users seem blissfully unaware that each and every time they send an email a copy is not only kept on the sender’s machine, but the recipient and even the ISP’s server. Now depending upon where about in the world you live, a copy of that record may also be request-able under a European Directive.
Imagine if every time you sent a letter, the postman made a copy. Or whenever you, under a European commission directive, to dip into some of that data.
There may however be a solution at hand. Seattle based researchers have a free self-destructing-email program. “Vanish” was created by Roxana Geambasu and Prof Hank Levy at the University of Washington. A delivery date set within the message and expiry date transforms emails to become unreadable when this date has passed. Even to the creator of the message.
The need for the service implies that a user may have some sinister reason for privacy, but do they? Many users will have sent emails which contain private data such as credit card details or names and addresses. These message swill often remain until the user upgrades their computer.
Similar sites have offered email services such as Hushmail which offered an encryption service. In 2007 Hushmail admitted that it wasn’t in fact as secure as it would like to make out as Canadian law enforcement had been forcing the company to decode the messages or face jail.
“Vanish” operates in a more innovative manner, following the encryption process the message becomes useless without the “key”. Vanish splits the key into 10 parts then spreads those across 1.5m computers. Making it impervious to hackers as every second goes by less and less machines hold the key until eventually it can never be decoded. Clever.
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