Modules 1 – 2: Threat Actors and Defenders Group Exam Answers

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CyberOps Associate (Version 1.0) – Modules 1 – 2: Threat Actors and Defenders Group Exam Answers

1. Which personnel in a SOC is assigned the task of verifying whether an alert triggered by monitoring software represents a true security incident?

Tier 1 personnel
Tier 2 personnel
Tier 3 personnel
SOC Manager

2. After a security incident is verified in a SOC, an incident responder reviews the incident but cannot identify the source of the incident and form an effective mitigation procedure. To whom should the incident ticket be escalated?

the SOC manager to ask for other personnel to be assigned
an alert analyst for further analysis
a cyberoperations analyst for help
a SME for further investigation

3. Which two services are provided by security operations centers? (Choose two.)

responding to data center physical break-ins
monitoring network security threats
managing comprehensive threat solutions
ensuring secure routing packet exchanges
providing secure Internet connections

4. Which organization is an international nonprofit organization that offers the CISSP certification?

CompTIA
(ISC)2
IEEE
GIAC

Explanation: (ISC)2 is an international nonprofit organization that offers the CISSP certification.

5. What is a benefit to an organization of using SOAR as part of the SIEM system?

SOAR was designed to address critical security events and high-end investigation.
SOAR would benefit smaller organizations because it requires no cybersecurity analyst involvement once installed.
SOAR automates incident investigation and responds to workflows based on playbooks.
SOAR automation guarantees an uptime factor of “5 nines”.

Explanation: SIEM systems are used for collecting and filtering data, detecting and classifying threats, and analyzing and investigating threats. SOAR technology does the same as SIEMs but it also includes automation. SOAR integrates threat intelligence and automates incident investigation. SOAR also responds to events using response workflows based on previously developed playbooks.

6. Which personnel in a SOC are assigned the task of hunting for potential threats and implementing threat detection tools?

Tier 3 SME
Tier 2 Incident Reporter
Tier 1 Analyst
SOC Manager

Explanation: In a SOC, Tier 3 SMEs have expert-level skills in network, endpoint, threat intelligence, and malware reverse engineering (RE). They are deeply involved in hunting for potential security threats and implementing threat detection tools.

7. An SOC is searching for a professional to fill a job opening. The employee must have expert-level skills in networking, endpoint, threat intelligence, and malware reverse engineering in order to search for cyber threats hidden within the network. Which job within an SOC requires a professional with those skills?

Incident Responder
Alert Analyst
SOC Manager
Threat Hunter

Explanation: Tier 3 professionals called Threat Hunters must have expert-level skills in networking, endpoint, threat intelligence, and malware reverse engineering. They are experts at tracing the processes of malware to determine the impact of the malware and how it can be removed.

8. Which three are major categories of elements in a security operations center? (Choose three.)

technologies
Internet connection
processes
data center
people
database engine

Explanation: The three major categories of elements of a security operations center are people, processes, and technologies. A database engine, a data center, and an Internet connection are components in the technologies category.

9. Which KPI metric does SOAR use to measure the time required to stop the spread of malware in the network?

MITR
Time to Control
MITC
MTTD

Explanation:
The common key performance indicator (KPI) metrics compiled by SOC managers are as follows:
• Dwell Time: the length of time that threat actors have access to a network before they are detected and the access of the threat actors stopped
• Mean Time to Detect (MTTD): the average time that it takes for the SOC personnel to identify that valid security incidents have occurred in the network
• Mean Time to Respond (MTTR): the average time that it takes to stop and remediate a security incident
• Mean Time to contain (MTTC): the time required to stop the incident from causing further damage to systems or data
• Time to Control the time required to stop the spread of malware in the network

10. Which three technologies should be included in a SOC security information and event management system? (Choose three.)

security monitoring
threat intelligence
proxy service
firewall appliance
intrusion prevention
log management

Explanation: Technologies in a SOC should include the following:
Event collection, correlation, and analysis
Security monitoring
Security control
Log management
Vulnerability assessment
Vulnerability tracking
Threat intelligence
Proxy server, VPN, and IPS are security devices deployed in the network infrastructure.

11. The term cyber operations analyst refers to which group of personnel in a SOC?

Tier 1 personnel
Tier 3 personnel
Tier 2 personnel
SOC managers

Explanation: In a typical SOC, the Tier 1 personnel are called alert analysts, also known as cyberoperations analysts.

12. How does a security information and event management system (SIEM) in a SOC help the personnel fight against security threats?

by analyzing logging data in real time
by combining data from multiple technologies
by integrating all security devices and appliances in an organization
by dynamically implementing firewall rules

Explanation: A security information and event management system (SIEM) combines data from multiple sources to help SOC personnel collect and filter data, detect and classify threats, analyze and investigate threats, and manage resources to implement preventive measures.

13. What job would require verification that an alert represents a true security incident or a false positive?

Alert Analyst
Threat Hunter
SOC Manager
Incident Reporter

Explanation: A Cybersecurity Analyst monitors security alert queues and uses a ticketing system to assign alerts to a queue for an analyst to investigate. Because the software that generates alerts can trigger false alarms, one job of the Cybersecurity Analyst would be to verify that an alert represents a true security incident.

14. When a user turns on the PC on Wednesday, the PC displays a message indicating that all of the user files have been locked. In order to get the files unencrypted, the user is supposed to send an email and include a specific ID in the email title. The message also includes ways to buy and submit bitcoins as payment for the file decryption. After inspecting the message, the technician suspects a security breach occurred. What type of malware could be responsible?

Trojan
spyware
adware
ransomware

Explanation:Ransomware requires payment for access to the computer or files. Bitcoin is a type of digital currency that does not go through a particular bank.

15. An employee connects wirelessly to the company network using a cell phone. The employee then configures the cell phone to act as a wireless access point that will allow new employees to connect to the company network. Which type of security threat best describes this situation?

rogue access point
cracking
spoofing
denial of service

16. Match the SOC metric to the description. (Not all options are used.)

Explanation: SOCs use many metrics as performance indicators of how long it takes personnel to locate, stop, and remediate security incidents.

Dwell Time
Mean Time to Detect (MTTD)
Mean Time to Respond (MTTR)
Mean Time to Contain (MTTC)
Time to Control

17. A group of users on the same network are all complaining about their computers running slowly. After investigating, the technician determines that these computers are part of a zombie network. Which type of malware is used to control these computers?

botnet
spyware
virus
rootkit

18. Which statement describes cyberwarfare?

It is Internet-based conflict that involves the penetration of information systems of other nations.
It is simulation software for Air Force pilots that allows them to practice under a simulated war scenario.
Cyberwarfare is an attack carried out by a group of script kiddies.
It is a series of personal protective equipment developed for soldiers involved in nuclear war

Explanation: Cyberwarfare is Internet-based conflict that involves the penetration of the networks and computer systems of other nations. Organized hackers are typically involved in such an attack.

19. Why do IoT devices pose a greater risk than other computing devices on a network?

Most IoT devices do not receive frequent firmware updates.
Most IoT devices do not require an Internet connection and are unable to receive new updates.
IoT devices cannot function on an isolated network with only an Internet connection.
IoT devices require unencrypted wireless connections.

Explanation: IoT devices commonly operate using their original firmware and do not receive updates as frequently as laptops, desktops, and mobile platforms.

20. What are two examples of personally identifiable information (PII)? (Choose two.)

first name
IP address
language preference
street address
credit card number

Explanation: Personally identifiable information (PII) is any data that could potentially identify and track a specific individual. A credit card number and street address are the best examples of PII.

21. What is the dark web?

It is a website that reports the most recent activities of cybercriminals all over the world.
It is a website that sells stolen credit cards.
It is part of the internet where a person can obtain personally identifiable information from anyone for free
It is part of the internet that can only be accessed with special software.

Explanation: One of the more lucrative goals of cybercriminals is obtaining lists of personally identifiable information that can then be sold on the dark web. The dark web can only be accessed with special software and is used by cybercriminals to shield their activities. Stolen PII can be used to create fake accounts, such as credit cards and short-term loans.

22. A company has just had a cybersecurity incident. The threat actor appeared to have a goal of network disruption and appeared to use a common security hack tool that overwhelmed a particular server with a large amount of traffic. This traffic rendered the server inoperable. How would a certified cybersecurity analyst classify this type of threat actor?

terrorist
hacktivist
state-sponsored
amateur

Explanation:Amateurs or script kiddies use common, existing tools found on the internet to launch attacks. Hacktivists disrupt services in protest against organizations or governments for a particular political or social idea. State-sponsored threat actors use cyberspace for industrial espionage or interfering with another country in some way. Terrorist groups attack for a specific cause.

23. A user calls the help desk complaining that the password to access the wireless network has changed without warning. The user is allowed to change the password, but an hour later, the same thing occurs. What might be happening in this situation?

rogue access point
password policy
weak password
user error
user laptop

Explanation:Man-in-the-middle attacks are a threat that results in lost credentials and data. These type of attacks can occur for different reasons including traffic sniffing.

24. Which regulatory law regulates the identification, storage, and transmission of patient personal healthcare information?

FISMA
HIPAA
PCI-DSS
GLBA

Explanation: The Health Insurance Portability and Accountability Act (HIPAA) requires that all patient personally identifiable healthcare information be stored, maintained, and transmitted in ways that ensure patient privacy and confidentiality.

25. A worker in the records department of a hospital accidentally sends a medical record of a patient to a printer in another department. When the worker arrives at the printer, the patient record printout is missing. What breach of confidentiality does this situation describe?

Explanation: Protected Health Information (PHI) includes patient name, addresses, visiting dates and more. The Health Insurance Portability and Accountability Act (HIPAA) regulates and provides severe penalties for breaches of PHI. EMRs (Electronic Medical Records) are documents created and maintained by the medical community that contain PHI. Personally identifiable information (PII) is any information that can be used to positively identify an individual, such as name and social security number. Personal Security Information (PSI) is related to information about an individual such as passwords, access keys, and account details.

26. Which cyber attack involves a coordinated attack from a botnet of zombie computers?

DDoS
MITM
address spoofing
ICMP redirect

Explanation: DDoS is a distributed denial-of-services attack. A DDoS attack is launched from multiple coordinated sources. The sources of the attack are zombie hosts that the cybercriminal has built into a botnet. When ready, the cybercriminal instructs the botnet of zombies to attack the chosen target.

27. What is the main purpose of cyberwarfare?

to protect cloud-based data centers
to develop advanced network devices
to gain advantage over adversaries
to simulate possible war scenarios among nations

Explanation: Cyberwarfare is Internet-based conflict that involves the penetration of the networks and computer systems of other nations. The main purpose of cyberwarfare is to gain advantage over adversaries, whether they are nations or competitors.

28. What type of cyberwarfare weapon was Stuxnet?

botnet
virus
worm
ransomware

Explanation:The Stuxnet worm was an excellent example of a sophisticated cyberwarfare weapon. In 2010, it was used to attack programmable logic controllers that operated uranium enrichment centrifuges in Iran.

29. Which example illustrates how malware might be concealed?

A hacker uses techniques to improve the ranking of a website so that users are redirected to a malicious site.
An attack is launched against the public website of an online retailer with the objective of blocking its response to visitors.
A botnet of zombies carry personal information back to the hacker.
An email is sent to the employees of an organization with an attachment that looks like an antivirus update, but the attachment actually consists of spyware.

Explanation: An email attachment that appears as valid software but actually contains spyware shows how malware might be concealed. An attack to block access to a website is a DoS attack. A hacker uses search engine optimization (SEO) poisoning to improve the ranking of a website so that users are directed to a malicious site that hosts malware or uses social engineering methods to obtain information. A botnet of zombie computers is used to launch a DDoS attack.

30. What websites should a user avoid when connecting to a free and open wireless hotspot?

websites to check account fees
websites to check product details
websites to check stock prices
websites to make purchases

Explanation: Many free and open wireless hotspots operate with no authentication or weak authentication mechanisms. Attackers could easily capture the network traffic in and out of such a hotspot and steal user information. Therefore, users who use free and open wireless hotspots to connect to websites should avoid giving any personal information to the websites.

31. In a smart home, an owner has connected many home devices to the Internet, such as the refrigerator and the coffee maker. The owner is concerned that these devices will make the wireless network vulnerable to attacks. What action could be taken to address this issue?

Configure mixed mode wireless operation.
Install the latest firmware versions for the devices.
Assign static IP addresses to the wireless devices.
Disable the SSID broadcast.

Explanation: The Internet of Things (IoT) is facilitating the connection of different kinds of devices to the internet, like home devices such as coffee makers and refrigerators, and also wearable devices. In order to make these devices secure and not vulnerable to attacks, they have to be updated with the latest firmware.