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[ZDNet]Cheap GPUs are rendering strong passwords useless - Page 3  

post #21 of 67
LOLhoofD1 my mate uses that for his windows, although comunatively, we did hack into his old laptop, and his internet. So it goes to show, personally i think your IP should have something to do with it. think of the rarity of someone acessing your WiFi, and if you were to be at a non local P, to the steam thing hand have a PIn sent to your e-mail.
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Triggers broom
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post #22 of 67
My passwords are my irides. You're gonna have to gouge my eyes out for these.. wait, never mind I'll just give you access don't take my eyes.
post #23 of 67
Which is why I've switched over to pass-sentences. Passwords are so 20th century
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post #24 of 67
So next is using movie scripts as passwords?
    
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post #25 of 67
Meh, I only use long/complex passwords for important accounts. The least important ones get the least amount of characters and vice versa.
    
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post #26 of 67
Do GPUs understand reverse psychology? I'm going to make all my passwords a single number now.
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post #27 of 67
Quote:
Originally Posted by ____ View Post
Do GPUs understand reverse psychology? I'm going to make all my passwords a single number now.
if sites didn't have a minimum character rule, that would probably be the most human proof password ever. Nobody would think that your super secret password would be the number 7 lol
post #28 of 67
As "scary"/shocking as this might be, who the heck is ever going to brute force a single users password? Unless one of my friends decides to play a prank on me and wants to find out my password, I can't ever see myself getting brute forced. To me, the people who have to be worried are the people in high positions, in high(er) companies.
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post #29 of 67
Listen to last weeks Security Now podcast, and you will find a easy way of setting up long passwords.
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post #30 of 67
Quote:
Originally Posted by Boyboyd View Post
Doesn't problem difficulty increase exponentially with each character? Or did i just hallucinate that?
The exponent is based on the length of the password. If there are 100 possible characters (26 uppercase, 26 lowercase, 10 numerals, and ~28 specials), then there are 100 possible answers to a one-digit password. A two-digit password would have 100^2 combinations, or ten thousand possible answers. A four-digit password would have 100^4, or 100 million possible combinations.

If it takes 7 hours to crack a 7-digit password, a 10-digit password should take (7 * [100^(10-7)] = ) seven million hours -- just over 799 years. And a 16-digit password would take almost 800 quadrillion years -- roughly 57,000 times the current age of the universe.

Quote:
Originally Posted by EvanPitts View Post
Of course, this is more easily solved by some low tech practices - like slowing down the process of entering a password, and chucking the connection if a password is entered incorrectly three times in a row. If a system allows thousands or tens of thousands of attempts per second, multiplied by hundreds or thousands of connection points - brute force attempts are entirely capable of breaking even the strongest passwords. This however, is not really breaking or cracking, but rather, using every possible random combination until one works.

Three attempts in a second then a five second pause, would do great damage to those that attempt brute force entries - even the fanciest, multiple GPU with the nastiest code would yield defeat unless it was spectacularly lucky to strike gold.
I don't think any human will ever need three connection attempts in a second. You could slow those attempts down to once every 2-3 seconds and no legitimate user would notice.
    
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