Forensic Investigation Process

1. Forensic InvestigationProcess Presented by Dave Maupin Security Management Partners Waltham, MA www.smpone.com

2. Your Speaker: Dave Maupin, CISA, CRISC, CISSP, and EnCE MIT graduate with 30 years of experience in IT Senior Information Security Consultant for Security Management Partners. PCI QSA Forensic investigations with IT, HR and Legal departments for various regulated industries such as banking, healthcare and pharmaceutical.

3. Common investigation scenarios ACH fraud Embezzlement Harassment Civil case

4. Tools • Encase Forensic 7.07 • Antivirus software • Malwarebytes • Excel • Volatility • HBGary Responder CE • Mandiant Redline • Knowledge of Windows technical details

5. ACH Fraud Funds moved electronically from business online banking account Investigate—initial information gathering from the financial institution and the business customer Acquire media using chain of custody protocol Forensic analysis—acquire forensically and run analysis

6. Timeline Analysis

7. Embezzlement Funds stolen from business Investigate—initial information gathering from the business Acquire media using chain of custody protocol Forensic analysis—acquire forensically and run analysis

8. Data Hiding Changing the extension on a file. Embedding data in a graphic file or scanning a document so that it becomes a graphic file. This would prevent the text within the document from being identified during a keyword search. Using a compression utility to compress multiple files or documents into a single compound file (i.e. .zip file). Encryption:using a utility such as TrueCrypt to create a hidden\encrypted volume on the hard drive.

9. Civil Case Intellectual property stolen from business Investigate—initial information gathering from the business Acquire media using chain of custody protocol Forensic analysis—acquire forensically and run analysis

10. Shortcuts (.lnk files) Shortcuts contain a volume serial number In order for these Link files to have been created on the hard drive, the USB drive had to have been plugged into the computer containing the hard drive on which the Link files were located and a file from the USB drive had to have been accessed from that computer.

11. Harassment Employee reports harassment to HR Investigate—initial information gathering from the business Acquire media using chain of custody protocol Forensic analysis—acquire forensically and run analysis

12. System Restore System Restore uses a feature called system protection to regularly create and save restore points on your computer. These restore points contain information about registry settings and other system information that Windows uses. People trying to hide their activities may not realize that information has been saved by System Restore

13. Best Practices • A/V definitions change daily, full scans should be run at least weekly • Investigate what your a/v console reports • Investigate unusual events: • Account lockouts • Use a minimum necessary approach throughout your environment: • Block outbound traffic • Only give access to social media to those with a business need (marketing) • Block webmail access

14. Best Practices, continued • Train your users • Call the help desk • Be careful with email attachments