Phones spill secrets of previous users
- 09-09-2006, 03:31 AM
Phones spill secrets of previous users
OMG is this for real?!
WASHINGTON - Don’t tell your cell phone any secrets. It might not keep them.
Secondhand phones purchased over the Internet surrendered credit card numbers, banking passwords, business secrets and even evidence of adultery.
One married man’s girlfriend sent a text message to his cell phone: His wife was getting suspicious. Perhaps they should cool it for a few days.
“So,” she wrote, “I’ll talk to u next week.”
“You want a break from me? Then fine,” he wrote back.
Later, the married man bought a new phone. He sold his old one on eBay Inc. for $290.
The guys who bought it now know his secret.
The married man had followed the directions in his phone’s manual to erase all his information, including lurid exchanges with his lover. But it wasn’t enough.
Selling your old phone once you upgrade to a fancier model can be like handing over your diaries. All sorts of sensitive information pile up inside our cell phones, and deleting it may be more difficult than you think.
A popular practice among sellers, resetting the phone, often means sensitive information appears to have been erased. But it can be resurrected using specialized yet inexpensive software found on the Internet.
A company, Trust Digital of McLean, Va., bought 10 phones on eBay this summer to test phone-security tools it sells for businesses. The phones all were fairly sophisticated models capable of working with corporate e-mail systems.
Curious software experts at Trust Digital resurrected information on nearly all the used phones, including the racy exchanges between guarded lovers.
The other phones contained:
_One company’s plans to win a multimillion-dollar federal transportation contract.
_E-mails about another firm’s $50,000 payment for a software license.
_Bank accounts and passwords.
_Details of prescriptions and receipts for one worker’s utility payments.
The recovered information was equal to 27,000 pages — a stack of printouts 8 feet high.
“We found just a mountain of personal and corporate data,” said Nick Magliato, Trust Digital’s chief executive.
Many of the phones were owned personally by the sellers but crammed with sensitive corporate information, underscoring the blurring of work and home. “They don’t come with a warning label that says, ‘Be careful.’ The data on these phones is very important,” Magliato said.
One phone surrendered the secrets of a chief executive at a small technology company in Silicon Valley. It included details of a pending deal with Adobe Systems Inc. and e-mail proposals from a potential Japanese partner:
“If we want to be exclusive distributor in Japan, what kind of business terms you want?” asked the executive in Japan.
Trust Digital surmised that the U.S. chief executive gave his old phone to a former roommate, who used it briefly then sold it for $400 on eBay. Researchers found e-mails covering different periods for both men, who used the same address until recently.
Experts said giving away an old phone is commonplace. Consumers upgrade their cell phones on average about every 18 months.
“Most people toss their phones after they’re done; a lot of them give their old phones to family members or friends,” said Miro Kazakoff, a researcher at Compete Inc. of Boston who follows mobile phone sales and trends. He said selling a used phone — which sometimes can fetch hundreds of dollars — is increasingly popular.
The 10 phones Trust Digital studied represented popular models from leading manufacturers. All the phones stored information on flash memory chips, the same technology found in digital cameras and some music players.
Flash memory is inexpensive and durable. But it is slow to erase information in ways that make it impossible to recover. So manufacturers compensate with methods that erase data less completely but don’t make a phone seem sluggish.
Phone manufacturers usually provide instructions for safely deleting a customer’s information, but it’s not always convenient or easy to find. Research in Motion Ltd. has built into newer Blackberry phones an easy-to-use wipe program.
Palm Inc., which makes the popular Treo phones, puts directions deep within its Web site for what it calls a “zero out reset.” It involves holding down three buttons simultaneously while pressing a fourth tiny button on the back of the phone.
But it’s so awkward to do that even Palm says it may take two people. A Palm executive, Joe Fabris, said the company made the process deliberately clumsy because it doesn’t want customers accidentally erasing their information.
Trust Digital resurrected erased e-mails and other information from a used Treo phone provided by The Associated Press after it was reset and appeared empty. The AP ordinarily purges its phones the correct way, but for demonstration purposes turned over a reporter’s phone that had been simply reset to see whether Trust Digital could recover the information. It did.
Once the AP phone was properly wiped using Palm’s awkward zero-out technique, no information could be recovered.
“The tools are out there” for hackers and thieves to rummage through deleted data on used phones, Trust Digital’s chief technology officer, Norm Laudermilch, said. “It definitely does not take a Ph.D.”
Fabris, Palm’s director of wireless solutions, said after AP’s inquiries that the company may warn customers in an upcoming newsletter about the risks of selling their used phones. “It might behoove us to raise this issue,” Fabris said.
Dean Olmstead of Fresno, Calif., sold his Treo phone on eBay after using it six months. He didn’t know about Palm’s instructions to delete safely all his personal information. Now he’s worried.
“I probably should have done that,” Olmstead said. “Folks need to know this. I’m hoping my phone goes to a nice person.”
Guy Martin of Albuquerque, N.M., wasn’t as concerned someone will snoop on his secrets. He also sold his Treo phone on eBay and didn’t delete his information completely.
“I’m not that kind of valuable person, so I’m not really worried,” said Martin, who runs the IMustEatWeb site. “I guarantee that three-quarters of the people who buy these phones don’t think about this.”
Trust Digital found no evidence that thieves or corporate spies are routinely buying used phones to mine them for secrets, Magliato said. “I don’t think the bad guys have figured this out yet.”
- 09-09-2006, 06:49 AM
if you are storing important info on your phone or sending email, pics, texts that you want private then you have to worry. If not, then who cares. I try not to store things in my head that i dont give a sh1t about because it is already overloaded LOL. I got nothing to worry about and if i can sell all my old phones to someone who needs them then ok, im gonna sell them.
09-09-2006, 06:50 AM
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