what are the three rules for a forensic hash course hero

by Rowland Cassin 9 min read

What are the three rules for a forensic hash? It can't be predicted, no two files can have the same hash value, and if the file changes, the hash value changes. In forensic hashes, a collision occurs when ___ two files have the same hash value When you arrive at the scene, why should you extract only those items you need to acquire evidence?

Full Answer

What are the three rules for forensic hash?

What are the three rules for a forensic hash? It can't be predicted, no two files can have the same hash value, and if the file changes, the hash value changes.

How is hashing data used in criminal justice?

Just like law enforcement uses DNA to authenticate physical evidence at a crime scene, eDiscovery and forensic professionals use hash values to authenticate electronic evidence, which can be vitally important if there are disputes regarding the authenticity of the evidence in your case!

Why are private sector investigations typically easier than law enforcement investigations?

Private-sector investigations are typically easier than law enforcement investigations for which of the following reasons? Most companies keep inventory databases of all hardware and software used. The investigator doesn't have to get a warrant. The investigator has to get a warrant.

What is hashing of evidence?

Hashing is the process of applying a mathematical algorithm to either a string of text or a file or an entire storage media in order to produce an alphanumeric value (combination of alphabets and numbers) known as the hash value, that is unique to that string of text or file or storage media.

How hash values can be used to verify the integrity of evidence for court?

The Role of a Hash By definition, forensic copies are exact, bit-for-bit duplicates of the original. To verify this, we can use a hash function to produce a type of “checksum” of the source data. As each bit of the original media is read and copied, that bit is also entered into a hashing algorithm.

How many parts investigation triad consists?

Explanation. The Triad consists of Incident Response, Vulnerability assessment/Risk management, and Computer Investigations.

What challenges does a network forensics examiner face when conducting an investigation?

Some common challenges are lack of availability of proper guidelines for collection acquisition and presentation of electronic evidence, rapid change in technology, big data, use of anti-forensic techniques by criminals, use of free online tools for investigation, etc.

Why is it important to look for big data and how could it be used in enhancing or finding evidence in a criminal or civil violation investigation?

With a larger pool to work with, big data can provide attorneys or detectives with more accurate findings. You've probably heard most people mention big data in conversations regarding analytics. Data analytic systems can make connections between data points that seem unrelated to human eyes.