Prepare Smarter for the 312-39 Exam
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Which of the following steps of incident handling and response process focus on limiting the scope and extent of an incident?
Correct Answer: A
The step in the incident handling and response process that focuses on limiting the scope and extent of an incident is Containment . This phase aims to isolate affected systems to prevent the spread of the incident and to minimize its impact. Containment strategies may involve disconnecting affected systems from the network, blocking malicious traffic, or taking systems offline. The goal is to contain the incident quickly to reduce damage and to maintain business operations 1 .
You are a SOC analyst at a leading financial institution tasked with developing a comprehensive threat model to safeguard critical assets: sensitive customer data, online banking applications, and real-time payment processing systems. The organization has observed increased targeted attacks on financial entities, including credential theft, account takeovers, and sophisticated phishing. Senior management is concerned about long-term financial and reputational damage. You need intelligence providing insights into high-level risks, geopolitical threats, and emerging cybercriminal strategies with long-term implications for security posture. Which type of threat intelligence are you seeking?
Correct Answer: A
Strategic threat intelligence is aimed at executive and program-level decision-making. It focuses on high-level risk trends, geopolitical drivers, adversary motivations, target selection, and emerging threat landscapes that influence long-term security posture and investment priorities. The question emphasizes senior management concerns, long-term implications, and broad risks affecting financial institutions—hallmarks of strategic intelligence. Technical intelligence is focused on specific indicators (IPs, domains, hashes) and technical artifacts for immediate detection. Tactical intelligence focuses on adversary tactics, techniques, and procedures (TTPs) that help defenders improve detections and controls. Operational intelligence is more immediate, relating to current campaigns, adversary capabilities, and near-term targeting information used for active defense and incident response. While tactical and operational intelligence are valuable for SOC detections and playbooks, the requirement here is “high-level risks and long-term implications,” which maps most directly to strategic threat intelligence.
Banter is a threat analyst in Christine Group of Industries. As a part of the job, he is currently formatting and structuring the raw data.
He is at which stage of the threat intelligence life cycle?
Correct Answer: B
In the threat intelligence life cycle, the stage of Processing and Exploitation involves the formatting and structuring of raw data. This is the phase where collected data is turned into a format that can be more easily analyzed and used. Banter, as a threat analyst, is engaged in this specific activity, which indicates that he is in the Processing and Exploitation stage. This stage is crucial as it prepares the data for further analysis and production of actionable intelligence.
Ray is a SOC analyst in a company named Queens Tech. One Day, Queens Tech is affected by a DoS/DDoS attack. For the containment of this incident, Ray and his team are trying to provide additional bandwidth to the network devices and increasing the capacity of the servers.
What is Ray and his team doing?
Correct Answer: D
When a SOC team, like the one Ray is part of, provides additional bandwidth to network devices and increases the capacity of servers in response to a DoS/DDoS attack, they are implementing a strategy known as ‘absorbing the attack’. This approach involves scaling up resources to handle the increased load without disrupting normal services. Here’s how it works:
Increase Bandwidth: By increasing the bandwidth, the network can handle more traffic, which is essential when under a DoS/DDoS attack, as these attacks often flood the network with excessive traffic to overwhelm it.
Enhance Server Capacity: Similarly, increasing server capacity allows the servers to handle more requests simultaneously. This is crucial during an attack to maintain service availability.
Maintain Service Availability: The goal of this strategy is to keep services running and available to legitimate users, even when under attack.
Monitor and Analyze: While absorbing the attack, it’s important to monitor network traffic and analyze the attack patterns, which can help in future prevention and mitigation strategies.
John, a SOC analyst, while monitoring and analyzing Apache web server logs, identified an event log matching Regex /(\.|(%|%25)2E)(\.|(%|%25)2E)(\/|(%|%25)2F|\\|(%|%25)5C)/i.
What does this event log indicate?
Correct Answer: C
The regex pattern /(\.|(%|%25)2E)(\.|(%|%25)2E)(\/|(%|%25)2F|\\|(%|%25)5C)/i is indicative of a Directory Traversal Attack. This type of attack exploits insufficient security controls to gain unauthorized access to files and directories that are stored outside the web root folder. Here’s a breakdown of the regex pattern:
(\.|(%|%25)2E) matches a period . or its URL-encoded forms %2E or %252E . In file systems, a period can represent the current directory or, when used as .. , the parent directory.
(\/|(%|%25)2F|\\|(%|%25)5C) matches a forward slash / , its URL-encoded form %2F or %252F , or a backslash \ , which is %5C in URL encoding. These characters are used in file paths to navigate directories.
When combined, this pattern can match sequences like ../ or ..%2F , which are commonly used in directory traversal attempts to navigate up the directory tree and access files outside of the intended directory.