[Mar 31, 2026] Valid 300-220 Test Answers & 300-220 Exam PDF
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NEW QUESTION # 39
Which of the following threat actor attribution techniques involves identifying patterns or anomalies in an attacker's behavior over time?
- A. Behavioral Analysis
- B. Indicators of Compromise
- C. Code Analysis
- D. Malware Analysis
Answer: A
NEW QUESTION # 40
During multiple intrusions, analysts observe that attackers consistently perform internal reconnaissance before privilege escalation, avoid noisy exploitation, and limit actions to business hours of the victim's region. Why is this observation important for attribution?
- A. It confirms the use of a specific exploit kit
- B. It identifies the malware command-and-control protocol
- C. It indicates an advanced persistence mechanism
- D. It reveals operational discipline and intent
Answer: D
Explanation:
The correct answer isit reveals operational discipline and intent. Attribution relies heavily on understanding how attackers think and operate, not just the tools they use.
Operational discipline-such as careful reconnaissance, avoiding noisy exploitation, and operating during business hours-is ahuman behavioral pattern. These patterns are far more stable than infrastructure or malware and often correlate strongly with specific threat actor groups.
Option A and D focus on tooling, which changes frequently. Option B relates to persistence, not attribution.
Threat intelligence professionals use operational characteristics to distinguish between opportunistic criminals and advanced adversaries. Business-hour activity, careful lateral movement, and deliberate escalation often indicatetargeted intrusions, espionage, or financially motivated but sophisticated actors.
This information helps analysts align observed behavior with known threat actor profiles, improving attribution confidence. Thus, optionCis correct.
NEW QUESTION # 41
How can threat hunting benefit from leveraging threat intelligence feeds?
- A. By providing up-to-date information on emerging threats
- B. By limiting the scope of investigations to known indicators
- C. By automating the threat hunting process entirely
- D. By reducing the need for regular monitoring
Answer: A
NEW QUESTION # 42
An augmentation of the detection methodology may necessitate:
- A. Relying more heavily on predefined threat signatures
- B. Decreasing the variety of data sources monitored
- C. Discouraging proactive threat research
- D. Implementing a zero-trust architecture
Answer: D
NEW QUESTION # 43
How does TaHiTI contribute to cybersecurity practices?
- A. By detailing tactics for industrial espionage
- B. By offering guidelines for secure coding practices
- C. By outlining strategies for threat hunting and incident response
- D. By providing a framework for tracking hardware inventory
Answer: C
NEW QUESTION # 44
To identify unknown gaps in detection, one should:
- A. Conduct regular security assessments
- B. Assume all configurations are secure
- C. Rely solely on automated alerts
- D. Only trust verified threats
Answer: A
NEW QUESTION # 45
What is the role of hypothesis-driven hunting in threat hunting?
- A. It focuses on forming educated guesses about potential threats and testing them through investigation.
- B. It relies solely on automated tools for threat detection.
- C. It involves randomly searching for threats without any specific goal.
- D. It is not a common practice in threat hunting.
Answer: A
NEW QUESTION # 46
In threat hunting outcomes, what does an increase in the organization's security posture mean?
- A. Weakened security defenses
- B. Improved resilience to cyberattacks
- C. Reduced number of security controls
- D. Decreased collaboration with security teams
Answer: B
NEW QUESTION # 47
The SOC team receives an alert about a user sign-in from an unusual country. After investigating the SIEM logs, the team confirms the user never signed in from that country. The incident is reported to the IT administrator who resets the user's password. Which threat hunting phase was initially used?
- A. Collect and process intelligence and data
- B. Response and resolution
- C. Hypothesis
- D. Post-incident review
Answer: A
Explanation:
The correct answer isCollect and process intelligence and data. In this scenario, theinitial threat hunting phaseoccurred when the SOC team received the alert and began analyzing SIEM logs to validate whether the activity was legitimate or malicious. This aligns directly with the first phase of the threat hunting lifecycle, which focuses on gathering, normalizing, and analyzing security-relevant data.
Threat hunting is a structured, hypothesis-driven process, but it always begins withdata collection and intelligence processing. This includes ingesting logs from identity providers, authentication systems, cloud platforms, VPNs, and endpoint telemetry into a SIEM. In this case, the alert regarding a sign-in from an unusual country triggered analysts to examine historical login patterns and geolocation data. By confirming that the user had never authenticated from that country, the team established that the event was anomalous and likely malicious.
Option B (Response and resolution) occurredafterthe initial phase, when the IT administrator reset the user's password to contain the threat. Option C (Hypothesis) would involve formulating a theory such as "the account may be compromised due to credential theft," but this step requires validated data first. Option D (Post-incident review) only happens after the incident has been fully resolved and lessons learned are documented.
From a professional cybersecurity operations perspective, this phase is critical becausehigh-quality data determines hunt effectiveness. Poor log coverage or incomplete identity telemetry would prevent analysts from confidently confirming the anomaly. This example also highlights why identity-related telemetry is foundational to modern threat hunting-compromised credentials remain one of the most common initial access vectors.
In short, before a SOC can hypothesize, respond, or improve controls, it must firstcollect and process accurate intelligence and data, making option A the correct answer.
NEW QUESTION # 48
Which of the following is a key aspect of effective threat hunting outcomes?
- A. Continuous monitoring and analysis
- B. Reactive approach to incidents
- C. Reliance solely on automated tools
- D. Focus on high-traffic network areas only
Answer: A
NEW QUESTION # 49
What is the primary goal of threat hunting outcomes?
- A. To remove all existing threats from the network
- B. To produce actionable intelligence to guide future defense strategies
- C. To enhance the overall security posture of the organization
- D. To identify all potential threats in the environment
Answer: B
NEW QUESTION # 50
Why is persistence an important factor in threat actor attribution?
- A. It indicates the frequency of attacks
- B. It allows for tracking of attacker movements
- C. It shows the level of sophistication of the attacker
- D. It determines the attacker's motive
Answer: B
NEW QUESTION # 51
Which of the following is NOT a common data source used in threat hunting?
- A. Network logs
- B. Customer feedback
- C. Firewall logs
- D. Endpoint logs
Answer: B
NEW QUESTION # 52
A technique often used by advanced persistent threat actors that can be identified through log analysis is:
- A. Encrypting all data stored on servers
- B. Regularly patching vulnerabilities
- C. Using common software for tasks
- D. Spear-phishing for initial access
Answer: D
NEW QUESTION # 53
What is the purpose of leveraging SIEM tools in threat hunting?
- A. To monitor physical security of the organization
- B. To consolidate and analyze logs from multiple sources
- C. To conduct network scans and penetration tests
- D. To block all potential threats automatically
Answer: B
NEW QUESTION # 54
Effective tools and configurations for detection should:
- A. Only include open-source solutions
- B. Be chosen based on the security team's familiarity
- C. Be regularly updated and patched
- D. Always be the most expensive option for effectiveness
Answer: C
NEW QUESTION # 55
A threat hunter wants to detect fileless malware activity usingCisco Secure Endpoint. Which behavior would MOST strongly indicate fileless execution?
- A. Files with unknown hash reputation
- B. Processes spawning from user-writable directories
- C. Executables running from Program Files
- D. Legitimate system processes executing encoded commands
Answer: D
Explanation:
The correct answer islegitimate system processes executing encoded commands. Fileless malware avoids writing binaries to disk and instead abuses trusted processes such as PowerShell, WMI, or rundll32.
Encoded or obfuscated commands executed by legitimate binaries are a strong indicator offileless execution and defense evasion. Cisco Secure Endpoint provides deep visibility into command-line arguments and process behavior, enabling detection of this technique.
Option A is normal behavior. Option B may indicate suspicious execution but still involves files. Option D relies on file presence, which fileless attacks intentionally avoid.
This technique aligns withMITRE ATT&CK - Command and Scripting Interpreter and Defense Evasion and is directly relevant toCBRTHD exam objectivesrelated to endpoint-based threat hunting.
Therefore,Option Cis the correct answer.
NEW QUESTION # 56
During multiple investigations using Cisco telemetry, analysts observe attackers consistently perform internal discovery before privilege escalation and avoid high-risk actions. Why is this observation useful for attribution?
- A. It identifies the attacker's command-and-control server
- B. It reveals the attacker's malware development skills
- C. It confirms the attacker used a known exploit
- D. It indicates disciplined and methodical tradecraft
Answer: D
Explanation:
The correct answer isit indicates disciplined and methodical tradecraft. Attribution relies on understanding attacker behavior patterns, not just tools or infrastructure.
Consistent operational discipline-such as cautious discovery, avoidance of noisy actions, and deliberate escalation-reflectshuman decision-making, which is difficult to change and often persists across campaigns.
Options A, B, and D focus on artifacts or infrastructure, which attackers frequently rotate. Behavioral patterns, however, form atradecraft fingerprint.
Cisco-aligned threat hunting usesMITRE ATT&CK technique mappingand behavioral consistency to support attribution, making this observation highly valuable.
Thus,Option Cis correct.
NEW QUESTION # 57
Which technique focuses on identifying known patterns or signatures of known threats within a network or system?
- A. Endpoint logging
- B. Signature-based detection
- C. Behavioral analysis
- D. Network traffic analysis
Answer: B
NEW QUESTION # 58
What is the purpose of conducting penetration testing as part of threat hunting techniques?
- A. To monitor employee behavior
- B. To analyze financial data
- C. To simulate real-world attacks and identify vulnerabilities
- D. To penetrate an organization's defenses
Answer: C
NEW QUESTION # 59
Which of the following is an example of an abuse case in threat modeling?
- A. A software bug causing a system crash
- B. A user exploiting a vulnerability to gain unauthorized access to sensitive data
- C. Regular security audits performed by the IT team
- D. Network protocols being misconfigured
Answer: B
NEW QUESTION # 60
What is the primary focus of threat hunting as compared to traditional security measures?
- A. Relying solely on automated security tools
- B. Identifying and mitigating threats before they cause harm
- C. Overwhelming analysts with false positives
- D. Reacting to incidents after they occur
Answer: B
NEW QUESTION # 61
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