How to crack passwords, and why you should
Source: ZDNet.co.uk - Posted by Benjamin D. Thomas   
Security Auditing passwords is a worthwhile venture, particularly in an environment that deals with sensitive information. Because systems encrypt passwords when they store them, you really can't properly judge the strength of a password unless you try to crack it. We suggest using a password-cracking tool such as John the Ripper. This tool works extremely well because it can crack MD5 passwords, which most systems currently use. In addition, it's much faster and more sophisticated than earlier password-cracking software such as Crack.

Once you've installed the tool, either from RPM or by compiling a copy yourself, you can set it to work. Keep in mind that John the Ripper uses a fair amount of CPU, but it will only use idle CPU time. However, copying the /etc/shadow file to a nonessential machine and running the tool on that, rather than a production machine, wouldn't be a bad idea either.

Read this full article at ZDNet.co.uk

Comments
please helpWritten by Aaron on 2006-06-22 02:47:13
hey i need to crack a password so i can find out if the baby my girlfriend is having is really even my baby... please help me!
MRWritten by Alex on 2006-06-27 15:09:11
cool
need to know a passwordWritten by mindy on 2006-10-08 22:41:46
i need to know a password for a yahoo account judycovey0916@yahoo.com
finding out a passwordWritten by dawn on 2006-11-12 23:36:13
i need to find out the password for yoshihiroshima1@yahoo.com please to see if he is having an affair on me. please help me!!
Password helpWritten by stephanie on 2006-11-27 21:34:16
I need to find out if my boyfriend is cheating. Can you help me get his password? Thanks!
Written by charles chapin on 2006-12-09 10:54:03
i need a password
bhawna purilWritten by raj singh on 2006-12-10 13:56:54
dear sir 
plz help me to find password to this email purilbhavu@yahoo.com 
plz send me on this id xxxjanu@yahoo.com
i need passwordsWritten by jamie on 2006-12-17 09:39:47
Please help me i need to know the password for: 
Millingtonalf 
and 
oakenfulljaf 
and  
djm 
 
on the www.jhonport.derbyshire.sch.uk school intranet 
 
they have changed there passwords and we need to know
Please helpWritten by Diana on 2006-12-18 13:09:26
Please help me to find the password to angelofhearts2003@yahoo.com and please email it to me on diana_pinto77@yahoo.com. I need to know if my hubby is cheating on me
lashy97@aol.comWritten by Ceewa on 2006-12-18 23:43:38
Can you determine a password on a cell phone online account? Need phone record of my spouse to see the calling patterns of his mistress.
HELPWritten by Lillie on 2007-01-12 10:22:17
i need to crack myspace and facebook firewalls and i need the to know FAST!!!!

Auditing passwords is a worthwhile venture, particularly in an environment that deals with sensitive information. Because systems encrypt passwords when they store them, you really can't properly judge the strength of a password unless you try to crack it. We suggest using a password-cracking tool such as John the Ripper. This tool works extremely well because it can crack MD5 passwords, which most systems currently use. In addition, it's much faster and more sophisticated than earlier password-cracking software such as Crack.

Once you've installed the tool, either from RPM or by compiling a copy yourself, you can set it to work. Keep in mind that John the Ripper uses a fair amount of CPU, but it will only use idle CPU time. However, copying the /etc/shadow file to a nonessential machine and running the tool on that, rather than a production machine, wouldn't be a bad idea either.

Read this full article at ZDNet.co.uk

Comments
Written by albelsy@yahoo.com on 2007-06-19 01:30:08
I need to know a voicemail password, from my girlsfriend phone. pleas
mrWritten by sami on 2007-09-06 02:46:37
dear sir  
plz help me to find password to this email naffas@yahoo.com  
plz send me on this id lov3_1@yahoo.comWritten by ineednow on 2007-09-25 20:03:39how to i crack cellphone password to voicemailbox

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