In this video, Marc Menninger describes how to crack passwords. Learn different techniques used in password cracking and the essential tools required to crack passwords. Watch a demonstration of password cracking tool John the Ripper.
- Password cracking is are process of using an application,…called a password cracker, to find user passwords…through various techniques.…The purpose of cracking passwords is to identify instances…of weak passwords, which violate security policies.…Ideally, the assessor…will not be able to crack any passwords,…and if they do, that would become a finding…in their final report.…If you're not familiar with how password generation works,…I recommend watching Lisa Bock's video…Understanding Passwords, Hash, Salt, and Rainbow Tables…in her Essentials of Cryptography…and Network Security course.…
Essentially, password crackers generate hashes…and compare them to hashes obtained by the assessor…until a match is found.…Once a match is found, the password has been cracked.…Password hashes can be found by assessors…in a variety of places, including in system files…like the Windows SAM or Linux Shadow files;…in network or wireless sniffer results;…and in the memory of target systems.…
Password crackers will generate hashes…
- Cite the three phases of external security assessments.
- Explain the reasons for conducting a log review.
- Explain what network sniffing is and why it’s used.
- Describe when to use a file integrity checking tool.
- Differentiate between active network discovery and passive network discovery.
- Explain how to scan for vulnerabilities.
- Relate the three techniques useful for validating target vulnerabilities.
- Explain the four-stage methodology of conducting penetration tests.
Skill Level Intermediate
1. Overview of Technical Security Assessments
2. Technical Security Assessment Reviews
3. Identify and Analyze Targets
4. Validate Target Vulnerabilities
5. Planning Technical Security Assessments
6. Executing the Technical Security Assessment
7. Post-Testing Activities
Report the results2m 16s
Next steps1m 32s
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