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

 A denial-of-service attack represents the evasion technique of resource exhaustion, where the attacker overwhelms a system’s resources, making the system unusable and unable to handle legitimate requests. References := Cisco Cybersecurity Source Documents

The exhibit shows a Stealthwatch dashboard displaying information on alarming hosts, alarms by type, and today’s alarms. On the left side under “Top Alarming Hosts,” there are five host IP addresses listed with their respective categories indicating different types of alerts including ‘Data Hoarding’ and ‘Exfiltration.’ In “Alarms by Type” section at center top part of image shows bar graphs representing various alarm types including ‘Crypto Violation’ with their respective counts. On right side under “Today’s Alarms,” there’s a table showing the details of each alarm such as the host IP, the alarm type, the severity, and the time. The potential threat identified in this dashboard is that there are two active data exfiltration alerts, one for host 10.201.3.149 and another for host 10.10.101.24. Data exfiltration is the unauthorized transfer of data from a compromised system to an external destination, such as a command and control server or a malicious actor. This can result in data loss, breach of confidentiality, and damage to the organization’s reputation and assets. References := Cisco Cybersecurity Operations Fundamentals - Module 7: Network and Host Forensics

The Nmap scan results show that several ports, including ftp (21/tcp), ssh (22/tcp), telnet (23/tcp), smtp (25/tcp), and http (80/tcp), are listed as “filtered”. This typically indicatesthat a firewall is filtering the traffic to these ports, making it impossible to determine whether they are open without further investigation. However, the question specifically asks about SMB ports, which are not shown in the provided Nmap scan results. Therefore, based on the information given, we cannot confirm that the attacker identified open SMB ports on the server. The correct answer would require additional evidence not present in the scan results. References := Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) course materials and official Cisco documentation provide insights into interpreting Nmap scan results and identifying port states. These resources can be found at the Cisco Learning Network Store and Cisco’s official training and certifications webpage

Rule-based detection systems operate using predefined patterns and signatures to identify known threats. These patterns are based on prior knowledge of attack methods and vulnerabilities.

Behavioral detection systems, on the other hand, analyze the normal behavior of a network or system to establish a baseline. They thenmonitor for deviations from this baseline, which may indicate potential threats.

Rule-based systems are effective at detecting known threats but may struggle with novel or zero-day attacks that do not match existing signatures.

Behavioral systems can detect unknown threats by recognizing abnormal activities, making them useful in identifying zero-day exploits and other sophisticated attacks.

References

Comparison of Rule-based and Behavioral Detection Methods in IDS

Advantages of Behavioral Analysis in Network Security

Cybersecurity Detection Techniques

 According to the NIST Incident Handling Guide, the analysis phase is the next phase of this investigation. The analysis phase involves examining the evidence and determining the impact, scope, and cause of the incident. The analyst should also identify the attacker’s methods, tools, and objectives, as well as any indicators of compromise or malicious activity. The analysis phase may also involve collecting additional data, such as logs, network traffic, or malware samples, to support the investigation. The analysis phase is crucial for developing an effective response and recovery strategy, as well as preventing or mitigating future incidents. References:

NIST Special Publication 800-61 Revision 2, Computer Security Incident Handling Guide, Section 3.2.4, Analysis (https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-61r2.pdf)

Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) v1.0, Module 5: Security Incident Response, Lesson 5.2: Incident Response Process, Topic 5.2.3: Analysis Phase (https://learningnetworkstore.cisco.com/on-demand-e-learning/understanding-cisco-cybersecurity-operations-fundamentals-cbrops-v1-0/CSCU-LP-CBROPS-V1-028093.html)

The presence of a default user agent in the headers of requests and data being transmitted suggests a cache bypassing attack. In this scenario, the attacker is likely requesting noncacheable content to avoid detection by caching mechanisms that could otherwise identify and block malicious traffic.

 Vulnerability refers to a weakness or flaw in a system that can be exploited by threats. Risk, on the other hand, is the potential for loss or damage when a threat exploits a vulnerability. The risk is essentially the impact or consequence of a vulnerability being exploited