Pass the Cisco CyberOps Associate 200-201 Questions and answers with Dumpstech

Statistical detection involves collecting data over time to define what is considered normal behavior or legitimate data for users or systems. It then uses statistical analysis to identify abnormal behavior that could indicate a security incident. Rule-based detection uses predefined rules or patterns that are based on known threats or vulnerabilities - it operates on an IF/THEN basis where if certain conditions are met then an alert is triggered. References := Cisco Cybersecurity Operations Fundamentals

A threat agent is the entity that is responsible for initiating a threat action that exploits a vulnerability. A threat agent can be a person, a group, an organization, or a system. In this scenario, the threat agent is the foreign government that hacked the defense contractor and stole the intellectual property. The threat agent’s motivation, capability, and resources determine the level of threat they pose to the target. References: Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) - Cisco, page 1-3; 200-201 CBROPS - Cisco, exam topic 1.1.b

 The category of the Cyber Kill Chain model that this event belongs to is weaponization. This stage occurs after reconnaissance has taken place and the attacker has discovered all necessary information about potential targets, such as vulnerabilities. In the weaponization stage, the attacker’s preparatory work culminates in the creation of malware to be used against an identified target, which in this case is a specific worm tailored to exploit a software flaw and extract saved passwords. References: The Cyber Kill Chain framework, developed by Lockheed Martin, explains the weaponization stage as the process where attackers create or modify cyber weapons based on the intelligence gathered during reconnaissance

A false negative occurs when an intrusion detection system (IDS) fails to detect and report actual malicious activity. This means that a legitimate security alert has been dismissed or overlooked, allowing potentially harmful traffic to pass through the network undetected. The impact of false negatives can be significant as they represent missed opportunities to stop or mitigate security threats1.

References := Cisco documentation on security systems, such as IPS (Intrusion Prevention System), discusses the importance of accurately detecting malicious activity and the risks associated with false negatives, which include the failure to trigger alerts for actual attacks1.

Encryption allows the user to make the data incomprehensible without a specific key, certificate, or password. Encryption is a method of transforming data into a format that only authorized parties can access. Encryption can be used to protect data in transit or at rest from unauthorized access or modification. References: https://learningnetworkstore.cisco.com/on-demand-e-learning/understanding-cisco-cybersecurity-operations-fundamentals-cbrops-v1-0/CSCU-LP-CBROPS-V1-028093.html (Module 4, Lesson 4.1.1)

 In the context of a cybersecurity breach, attribution involves identifying the responsible party. Since the external USB device was not found, the focus shifts to the actions performed by the receptionist. Analyzing these actions can provide insights into how the breach occurred and may help in attributing the incident to the threat actor

References := Cisco Certified CyberOps Associate 200-201 Certification Guide

Traffic tapping involves replicating network traffic and sending it to a separate port where it can be analyzed without affecting the original traffic flow. This allows security analysts to monitor and analyze traffic for potential threats without the risk of blocking legitimate traffic.

This explanation is based on general network security concepts, as the current page does not provide specific Cisco documentation.

 Indicators of attack (IoAs) are signs that an attack may be in progress or imminent. Malware reinfection within a few minutes of removal (D) is a strong IoA because it suggests that the attacker has a persistent mechanism to redeploy malware, indicating an active compromise of the system.

Cisco’s Cybersecurity Operations Fundamentals documents

The command in the exhibit is a Snort rule that is configured to alert on TCP packets with the SYN flag set, where the source is not the home network (!$HOME_NET) and the destination is within the home network ($HOME_NET) on port 80. This rule is designed to detect potential SYN flood attacks targeting the internal network’s web server on port 80.