Podcast
Questions and Answers
What was the service provided by Alex in the scenario?
What was the service provided by Alex in the scenario?
- Computer forensics & digital investigation services (correct)
- Cloud computing services
- Network security services
- Data encryption services
Who did the general manager of the organization suspect of being involved in illegal activities?
Who did the general manager of the organization suspect of being involved in illegal activities?
- Two employees (correct)
- Three employees
- One employee
- Five employees
What encouraged the development of forensic tools, techniques, and procedures?
What encouraged the development of forensic tools, techniques, and procedures?
- Expansion of mobile phone networks
- Evolution of computer games
- Variations and development of data storage and transfer capabilities (correct)
- Development of social media platforms
What is the main objective of computer forensics discussed in the text?
What is the main objective of computer forensics discussed in the text?
Why have forensic tools, techniques, and investigators developed according to the text?
Why have forensic tools, techniques, and investigators developed according to the text?
What does the text suggest about data storage and transfer capabilities?
What does the text suggest about data storage and transfer capabilities?
What is persistent data according to the text?
What is persistent data according to the text?
Which set of data will be lost when the machine loses power or is shut down?
Which set of data will be lost when the machine loses power or is shut down?
Why is it recommended for first responders to gather volatile data first?
Why is it recommended for first responders to gather volatile data first?
What happens to volatile data if the system is rebooted or shut down?
What happens to volatile data if the system is rebooted or shut down?
Where is persistent data usually collected during a forensic investigation?
Where is persistent data usually collected during a forensic investigation?
According to Carnegie Mellon University, what is considered volatile data?
According to Carnegie Mellon University, what is considered volatile data?
What is the objective of documenting the selection process for tools and procedures in computer forensics investigation?
What is the objective of documenting the selection process for tools and procedures in computer forensics investigation?
Why is it important for organizations to have the capability to solve basic issues and investigations by themselves?
Why is it important for organizations to have the capability to solve basic issues and investigations by themselves?
What is a crucial requirement for establishing a computer forensics business?
What is a crucial requirement for establishing a computer forensics business?
Why should an organization have the capability to handle basic issues internally?
Why should an organization have the capability to handle basic issues internally?
What may be challenging for an organization without the ability to solve basic issues internally?
What may be challenging for an organization without the ability to solve basic issues internally?
Why does an organization need to assess its capability to handle basic issues independently?
Why does an organization need to assess its capability to handle basic issues independently?
What should an investigator do to ensure successful proceedings?
What should an investigator do to ensure successful proceedings?
What is the most common type of cyber-attack in 2014?
What is the most common type of cyber-attack in 2014?
How can the modes of cyber-attack be generally classified?
How can the modes of cyber-attack be generally classified?
Which of the following is NOT an example of cyber-crime mentioned in the text?
Which of the following is NOT an example of cyber-crime mentioned in the text?
What should be documented during a digital investigation?
What should be documented during a digital investigation?
Why is it important for an investigator to carefully manage evidence?
Why is it important for an investigator to carefully manage evidence?
What is the primary purpose of using the 'Top' command in Linux forensics?
What is the primary purpose of using the 'Top' command in Linux forensics?
Which command would you use to view all the running processes in a Linux system?
Which command would you use to view all the running processes in a Linux system?
What information does the 'Fport' tool aim to provide in Linux forensics?
What information does the 'Fport' tool aim to provide in Linux forensics?
Which command would you use to find the history of a particular program in Linux?
Which command would you use to find the history of a particular program in Linux?
In Linux forensics, what can be deduced from examining network information with 'Fport' tool?
In Linux forensics, what can be deduced from examining network information with 'Fport' tool?
Which command provides the useful information of current running processes, ID, CPU usage, memory usage, and more in Linux?
Which command provides the useful information of current running processes, ID, CPU usage, memory usage, and more in Linux?
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Study Notes
Linux Forensic Tools
topcommand is used to find running processes and displays results sorted by CPU usage, showing process ID, time, and executed command.pscommand is used to provide information on current running processes, including ID, CPU usage, memory usage, and other details.- Variations of
pscommand:ps axto get a full list of running processesps -efto get more detailed informationps –U userto find other system users' running processesps –C program_nameto find the history of a particular programps -Ato view all processesps rto view only running processes
Fport Tool
- Fport is a forensic tool used to find open TCP/IP and UDP ports and the applications listening on those ports.
- The tool helps investigators map ports to running processes and document the process identification number and path.
- Fport can be downloaded from the McAfee website.
Modes of Attack
- Cyber-attacks can be divided into two types: internal (insider) attacks and external (outsider) attacks.
- Examples of cyber-crimes include financial frauds, laptop or device theft, insider internet abuse, data theft, unauthorized access, viruses, worms, and backdoor attacks, and denial of service attacks.
Computer Forensics
- Computer forensics and digital investigation involve identifying and investigating cyber-crimes.
- The systematic approach to investigation involves a standard guideline and steps to follow.
- The process includes initiating and performing the investigation, legal laws and boundaries, techniques to gather evidence, and the scope of forensic work.
Volatile Data
- Volatile data is stored in system memory and is lost when the machine loses power or is shut down.
- Persistent data, on the other hand, is stored in nonvolatile storage devices and is not lost after rebooting or shutting down the machine.
- It is essential to differentiate between persistent and volatile data and prioritize collecting volatile data first.
Computer Forensics Team
- Law enforcement and security agencies are responsible for investigating computer crimes, but organizations should also have the capability to investigate basic issues themselves.
- Organizations can hire experts from small or mid-size computer investigation firms or create their own computer forensic services firm with a forensics lab, necessary permissions, and the right tools and people.
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