![]() However, Online Password Cracking is much slower than Offline Password Cracking Offline Password Cracking can be 1000 – 1,000,000 times faster than cracking online. The attacker uses the interface or service presented to legitimate users, such as a login web page or an SSH or FTP server, to try to guess user account names and passwords. Using Online Password Cracking, an attacker does not have to have any previous access to the system. It is possible, however, that the password hashes could also have been pulled directly from a database using SQL injection, an unprotected flat text file on a web server, or some other poorly protected source. In most cases, Offline Password Cracking will require that an attacker has already attained administrator/root level privileges on the system to get to the storage mechanism. Typically, this would be the Security Account Manager (SAM) file on Windows, or the /etc/shadow file on Linux. Offline Password Cracking is an attempt to recover one or more passwords from a password storage file that has been recovered from a target system. And my favorite tools for Offline Password Cracking, hashcat.The primary differences between Online and Offline Password Cracking.In (the long-awaited) Part 2, I will describe: ![]() ![]() In Part 1 of this two-part series, I explained what Online Password Cracking is and how to defend against it. ![]()
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