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CITP EXAM 4 QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS 2024
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CITP EXAM 4 QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS 2024
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CITP EXAM 4 QUESTIONS ANDANSWERS WITH VERIFIED SOLUTIONS
2024
INTRODUCTION TO MOBILE DEVICE INVESTIGATIONS
EPO #1: Determine types of technology and the unique identifiers associated with a mobile device. -
ANSWER · IMEI - International mobile equipment ID. Perm 15-17 digit #. Is a permanent number.
· CDMA - MEID = Mobile Equipment ID. Can lookup make/model
· SIM - Subscriber Identity Module. Authentication of device to cell network. ICCID is the serial number
for your SIM card.
· MSISDN - Mobile Directory Number AND MIN - Mobile ID Number is another name for a phone number
· The Call Detail Records (CDR) needs to know what tower the cellphone is connected to. Provides list of
calls or other types of transmissions
INTRODUCTION TO MOBILE DEVICE INVESTIGATIONS
EPO #2: Use forensic hardware and software tools to extract and analyze digital data from a seized
mobile device. - ANSWER · Different types of extractions include manual, logical, and physical
o Manual: must take photographs of all screens
o Logical: usually using Cellebrite. Utilizes the built-in backup feature found in the device's operating
system (OS).
o Physical: Provides access to ALL data, basically a replica of the whole phone, usually requires forensic
software
FIRST RESPONDERS TO DIGITAL EVIDENCE
EPO #1: Define the uses and roles of electronic devices in criminal activity. - ANSWER · Three Major Rolls
o Computers as a target of an illegal scheme: system intrusion, hacking, DDOS attacks, or ransomware to
name a few.
o Computers used as the instrument or tool to facilitate criminal activity: ex solicitation of minors,
electronic stalking, credit card scams, tax or benefit fraud, ID theft
o Computers and other electronic devices as repositories of evidence and other information: may
contain photos, PII, or certain types of software
, FIRST RESPONDERS TO DIGITAL EVIDENCE
EPO #2: Identify electronic devices that may be or may contain evidence. - ANSWER · Permanent files as
well as temporary internet files. Search terms from web browsers
· Phone SIM cards
· Removable media - optical CDs, DVDs, and Blu-Ray or external drives, flash memory cards, or USB
drives.
· Cloud computing can contain evidence and needs an additional warrant.
FIRST RESPONDERS TO DIGITAL EVIDENCE
EPO #3: Describe how electronic evidence may be altered or destroyed. - ANSWER · The "two enemies"
are physical or external damage and software or internal alteration.
· All media can be altered through brute force, extreme temps, water/ condensation, or fire. Seize it
anyway, the data may still be recoverable
FIRST RESPONDERS TO DIGITAL EVIDENCE
EPO #4: Identify non-electronic items that may be important in the investigation of an electronic crime. -
ANSWER · Hardware: may contain DNA evidence or bodily fluids
· Printed documents or reports
· Scraps of paper with codes or passwords
· Indicators of ownership like receipts, mail, manuals
FIRST RESPONDERS TO DIGITAL EVIDENCE
EPO #5: Identify the proper procedures in collecting, preserving, and transporting computers and
electronic items seized as evidence. - ANSWER · Use Faraday bags or wrap in foil if none are available.
· Secure crime scene both physically and electronically. Sever network connectivity. Unplug desktop.
· Conduct electronics sweep.
· Leave phone how you found it, on or off. Isolate phones in Faraday bag.
FIRST RESPONDERS TO DIGITAL EVIDENCE
EPO #6: Identify the proper procedures for RAM Capture and uses for recovered data. - ANSWER ·
Random Access Memory (RAM) - is the storage area of everything the computer processes. Capture it
especially if you cannot remove the actual device or cannot get the password.
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