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February 2, 2009 4:13 PM PST

Securing smartphones with picture codes

by Marguerite Reardon
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A company called PINoptic says it has a new picture-based security mechanism to make smartphones more secure.

The company claims that its new software will make a smartphone 37 times more secure than using a simple four-digit personal identification number.

As smartphones become increasingly popular, experts warn they could be targets for hackers. These devices provide access to corporate networks, e-mail accounts, and sometimes corporate data. Stolen smartphones can also provide criminals with plenty of information to steal personal identities. And because they're made to be portable, smartphones can be lifted easily from pockets or purses or even left behind in taxi cabs or some other place people might travel.

Currently, the most popular way to secure a smartphone is using a four-digit PIN. But all hackers have to do is watch someone punch in their PIN to learn the pattern.

(Credit: PINoptic)

PINoptics software allows users to set a pass code using images rather than numbers. The images are randomly placed on different numbers or letters each time someone logs in. Users push the correct image sequence to get access to the device, rather than the same number pattern. This makes it more difficult for anyone watching a user log in to figure out the PIN simply by watching which keys are pressed.

In fact, PINoptic claims that a hacker would have to watch someone enter their login at least 10 times before being able to crack the code.

Several banks and credit card companies have also beefed up security to their Web sites by using pictures as a way to verify identity. Some Web sites require users to click on an image after they've signed in with a username and password to authenticate access.

Marguerite Reardon has been a CNET News reporter since 2004, covering cell phone services, broadband, citywide Wi-Fi, the Net neutrality debate, as well as the ongoing consolidation of the phone companies. E-mail Maggie.
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by TheTechKid February 2, 2009 4:32 PM PST
I don't see why we still rely on 4 digit pins to unlock phones and acess voicemail...I would expect at least 6 digit as most webservices require at least a 6 digit password,,,anyone care to enlighten me? Thanks:-)
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by professionaladventurer February 2, 2009 8:17 PM PST
Why don't they just place the numbers in different places on each new log in screen, would that not have the same effect when viewed from a few feet away?
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by pkokkinis February 2, 2009 10:26 PM PST
No way profesionaladventurer! How else would a company like PINoptic be able to access your phone's pin? What would stop them from adding a hidden "phone-home" feature into the software that reports back the pin of said smartphone? Like smartphone have application level firewalls. Come on people! This should be a no-brainer....stay away! Watch the movie Idiocracy.
by GovernmentMan February 3, 2009 12:41 AM PST
When viewed from a few feet away, yes. But up close, that's worthless. By having multiple pictures/characters associated with each key, (and having the images/characters randomize places and associations each time) the "hacker" has no way to know which character you were really intending to press.
by GovernmentMan February 3, 2009 12:40 AM PST
When viewed from a few feet away, yes. But up close, it's worthless. By having multiple pictures/characters associated with each key, (and having the images/characters randomize places each time) the "hacker" has no way to know which character you were really intending to press.
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by GovernmentMan February 3, 2009 12:43 AM PST
delete that, please
by samrobsays February 4, 2009 10:17 AM PST
Hmm, how does this work for the visually impaired?
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