COS/PSA 413

1. COS/PSA 413 Day 5

2. Agenda • Questions? • Assignment 2 Redo • Due September 26 @ 3:35 PM • Assignment 3 posted • Due September 26 @ 3:35 PM • Quiz 1 on September 30 • Chaps 1-5, Open book, Open notes • 20 M/C and 5 essays • Lab 1 corrected • 2 B’s, 6 C’s and 1 F • RTDQ! • Lab 2 write-ups due • Finish Discussion Processing Crime and incident Scenes • Lab 3 in N105 • Hands-on project 5-4 and 5-5 • Follow instructions in

3. Lab 1 • 2-1 • File listing , contents & memo • Just the facts>>no bias and no conclusions • 2-2 • Memo – 25 clusters hits • 2-3 • Memo • 4 files, 30 clusters for BOOK • 1 image files name and where found • 2-4 • File listing • 2-5 • Prodiscover resport with “deleted and file type” • 2-6 • Prodiscover report with proper comments • 3 files with the 3 words (one file each) Guide to Computer Forensics and Investigations

4. Reviewing Background Information for a Case • Company called Superior Bicycles • Specializes in creating new and inventive modes of human-driven transportation • Two employees, Chris Murphy and Nau Tjeriko, have been missing for several days • A USB thumb drive has been recovered from Chris’s office with evidence that he had been conducting a side business using company computers Guide to Computer Forensics and Investigations

5. Identifying the Case Requirements • Identify requirements such as: • Nature of the case • Suspect’s name • Suspect’s activity • Suspect’s hardware and software specifications Guide to Computer Forensics and Investigations

6. Planning Your Investigation • List what you can assume or know • Several incidents may or may not be related • Suspect’s computer can contain information about the case • If someone else has used suspect’s computer • Make an image of suspect’s computer disk drive • Analyze forensics copy • \\Wallagrass\Software for N105 lab\COS413 Software\Chap05\InChap05 Guide to Computer Forensics and Investigations

7. Conducting the Investigation: Acquiring Evidence with AccessData FTK • Functions • Extract the image from a bit-stream image file • Analyze the image Guide to Computer Forensics and Investigations

8. Guide to Computer Forensics and Investigations

9. Conducting the Investigation: Acquiring Evidence with AccessData FTK (continued) Guide to Computer Forensics and Investigations

10. Guide to Computer Forensics and Investigations

11. Guide to Computer Forensics and Investigations

12. Conducting the Investigation: Acquiring Evidence with AccessData FTK (continued) Guide to Computer Forensics and Investigations

13. Guide to Computer Forensics and Investigations

14. Conducting the Investigation: Acquiring Evidence with AccessData FTK (continued) Guide to Computer Forensics and Investigations

15. Summary • Digital evidence is anything stored or transmitted on electronic or optical media • Private sector • Contained and controlled area • Publish right to inspect computer assets policy • Private and public sectors follow same computing investigation rules • Criminal cases • Require warrants Guide to Computer Forensics and Investigations

16. Summary (continued) • Protect your safety and health as well as the integrity of the evidence • Follow guidelines when processing an incident or crime scene • Security perimeter • Video recording • As you collect digital evidence, guard against physically destroying or contaminating it • Forensic hash values verify that data or storage media have not been altered Guide to Computer Forensics and Investigations

17. Summary (continued) • To analyze computer forensics data, learn to use more than one vendor tool • You must handle all evidence the same way every time you handle it • After you determine that an incident scene has digital evidence, identify the digital information or artifacts that can be used as evidence Guide to Computer Forensics and Investigations