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Windows 7: Anatomy of a hack: How crackers ransack passwords like qeadzcwrsfxv13

30 May 2013   #1

Windows 7 Ultimate x64
 
 
Anatomy of a hack: How crackers ransack passwords like qeadzcwrsfxv13

Quote:
In March, readers followed along as Nate Anderson, Ars deputy editor and a self-admitted newbie to password cracking, downloaded a list of more than 16,000 cryptographically hashed passcodes. Within a few hours, he deciphered almost half of them. The moral of the story: if a reporter with zero training in the ancient art of password cracking can achieve such results, imagine what more seasoned attackers can do.
Imagine no more. We asked three cracking experts to attack the same list Anderson targeted and recount the results in all their color and technical detail Iron Chef style. The results, to say the least, were eye opening because they show how quickly even long passwords with letters, numbers, and symbols can be discovered.
Further reading - Ars Technica

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30 May 2013   #2

Windows 7 Ultimate x64
 
 

Actually i have learned it that length is by far the most important factor that you need to determine when it comes to password cracking. A short password with numbers, cases, and symbols mixed in won't help much, if at all . As I said, password length is THE HIGHEST consideration in password cracking. Even if a hacker dedicated a month to brute force attacks against either an AES128 block or a SHA1 hash, he would be able to find a user password. Sniffing through traffic would be sufficient to capturing AES encrypted data for use in doing a brute force attack against your password if you used symmetric cryptography.

Imo when dealing with password security, the basics are:

#1: Avoid the most common passwords. Eg. password, 1234 and so on.
#2: Avoid words that are found in hacker dictionaries (most commonly used words in passwords)
#3 Use more than just words. Add numbers and characters if you insist on using a short password
#4 Use a long password. If you're worried about brute force hacking, just use a long, long, long password. That way it'll take more time for the massive collection of hacked zombie computers to brute force your password.
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 Anatomy of a hack: How crackers ransack passwords like qeadzcwrsfxv13





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