This report, prepared for the MN623 Cyber Security and Analytics course, demonstrates the use of penetration testing tools, specifically Ophcrack and John the Ripper. The assignment details the installation process of both tools on an Ubuntu operating system within an Oracle Virtual Box environment. It outlines the functionalities of each tool, with John the Ripper being a password cracker supporting numerous formats, and Ophcrack a tool for recovering lost or forgotten passwords. The demonstration section provides step-by-step instructions for password cracking using both tools, including commands and procedures. The report also compares the time and ease of access of the tools, highlighting the advanced features of John the Ripper. It further discusses the phases of penetration testing and various testing methods. The report concludes by emphasizing the importance of strong password selection and the threats posed by password cracking techniques. The report is well-structured, including a bibliography citing relevant sources.
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