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CHFI Final Exam Study Guide Questions and Answers 100% Solved
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CHFI Final Exam Study Guide Questions and Answers 100% Solved
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CHFI Final Exam Study Guide Questionsand Answers 100% Solved
Computer records fall into what 3 categories? - ✔✔1. Computer Generated.
Computer Stored.
Both Generated and Stored
They require authentication.
Plain View Policy - ✔✔Officer or agent has the ability to seize objects without a warrant, when
they are somewhere they have legal authority to be, and they immediately recognize the object as
illegal.
4th Amendment - ✔✔Right or expectation of Privacy
Governs the lawful search of a person, place, or thing.
Digital Evidence is defined as: - ✔✔Information of "probative value" that is stored or
transmitted in digital form.
Anti-Digital Forensic techniques: - ✔✔Overwriting data (Wiping).
Exploitation of bugs in forensic tools.
Obfuscation.
Hiding Data (Steganography, Cryptography, low-tech...)
,Volatile Data - ✔✔Can be modified, rapidly.
Non-Volatile data - ✔✔Secondary storage of data.
Long term, persistent data.
Transient Data - ✔✔Programs that reside in memory and cache data. (i.e. network connection,
user logout, ...)
Fragile Data - ✔✔Data temporarily saved to the hard disk and can be changed. (i.e. time stamps,
access times...)
Temporarily-Accessible Data - ✔✔Stored on hard disk and are accessible for a certain amount of
time.
Active Data - ✔✔Data used for daily operations.
Archival Data - ✔✔long term storage of data.
Backup Data - ✔✔Copy of system data, used for the recovery process.
Residual Data - ✔✔Data stored on a computer. in unassigned storage space, after it is deleted.
,Metadata - ✔✔data about a particular document.
Rules for allowing duplicate evidence. - ✔✔Original evidence is not available, due to: -
Evidence destroyed due to an uncontrollable event (Fire/ Flood).
-Evidence destroyed in normal course of business.
-Original evidence in possession of a third party.
Sources of data for digital evidence. - ✔✔Server.
Storage devices.
Logs.
Internal hardware.
Swap file - ✔✔space on a hard disk, used as the virtual memory extension of a computer's real
memory (RAM).
Key steps for Forensic Investigation - ✔✔1. Identify the Computer Crime.
Collect Primary Evidence.
Obtain court warrant for seizure (if required).
Perform first responder Procedures.
Seize evidence at the crime scene.
Transport Evidence to the forensic laboratory.
Create 2-bit stream copies of the evidence.
, Generate MD5 checksum on the images.
Chain of Custody.
Store the original evidence in a secure location.
Analyze the image copy for evidence.
Prepare a forensics report.
Submit the report to the client.
Attend Court and testify as an expert witness. (if necessary)
Modes of attack. - ✔✔Internal
External
Enterprise Theory of Investigation (ETI) - ✔✔Individuals commit crime, to further the Criminal
Enterprise (sindicate) itself.
Law Enforcement targets and dismantles the entire criminal enterprise.
What year did the FBI establish the first forensic Laboratory? - ✔✔1932
4 reasons for increase of computers in criminal activity? - ✔✔1. Expense
Speed.
Anonymity.
Fleeting nature of digital evidence.
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