L0phtCrack attempts to crack Windows passwords from hashes which it can obtain (given proper access) from stand-alone Windows workstations, networked servers, primary domain controllers, or Active Directory. In some cases it can sniff the hashes off the wire. It also has numerous methods of generating password guesses (dictionary, brute force, etc). LC5 was discontinued by Symantec in 2006, then re-acquired by the original L0pht guys and reborn as LC6 in 2009. For free alternatives, consider ophcrack, Cain and Abel, or John the Ripper.
For downloads and more information,
visit the L0phtCrack homepage.
All right, but if someone will break the default Windows password that means your data is on risk. But if you are using Folder Lock and put password on secret data than the hackers can't access to target data even they break Windows password.
I would takes hours to crack password with 6+ length for l0ptcrack. Basically, it is not quite a good solution for windows password recovery. My favorite tools is TunesBro, which removes the login password instantly.
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Pro: great tool for auditors, administrators, and anyone who needs to show reports to management.
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