ECCouncil 312-85 Exam Dumps - Actual Questions Answers

In the Analysis of Competing Hypotheses (ACH) process, the stage where Mr. Bob is applying analysis to reject hypotheses and select the most likely one based on listed evidence, followed by preparing a matrix with screened hypotheses and evidence, is known as the 'Refinement' stage. This stage involves refining the list of hypotheses by systematically evaluating the evidence against each hypothesis, leading to the rejection of inconsistent hypotheses and the strengthening of the most plausible ones. The preparation of a matrix helps visualize the relationship between each hypothesis and the available evidence, facilitating a more objective and structured analysis.References:

• "Psychology of Intelligence Analysis" by Richards J. Heuer, Jr., for the CIA's Center for the Study of Intelligence
• "A Tradecraft Primer: Structured Analytic Techniques for Improving Intelligence Analysis" by the CIA

Tactical threat intelligence analysis focuses on the immediate, technical indicators of threats, such as the tactics, techniques, and procedures (TTPs) used by adversaries, their communication channels, the tools and software they utilize, and their strategies for evading forensic analysis. This type of analysis is crucial for operational defenses and is used by security teams to adjust their defenses against current threats. Since John successfully extracted information related to the adversaries' modus operandi, tools, communication channels, and evasion strategies, he is performing tactical threat intelligence analysis. This differs from strategic and operational threat intelligence, which focus on broader trends and specific operations, respectively, and from technical threat intelligence, which deals with technical indicators like malware signatures and IPs.References:

• "Tactical Cyber Intelligence," by Cyber Threat Intelligence Network, Inc.
• "Intelligence-Driven Incident Response: Outwitting the Adversary," by Scott J. Roberts and Rebekah Brown

Sam's mistake was using threat intelligence from sources that he did not verify for reliability. Relying on intelligence from unverified or unreliable sources can lead to the incorporation of inaccurate, outdated, or irrelevant information into the organization's threat intelligence program. This can result in "noise," which refers to irrelevant or false information that can distract from real threats, and potentially put the organization's network at risk. Verifying the credibility and reliability of intelligence sources is crucial to ensure that the data used for making security decisions is accurate and actionable.References:

• "Best Practices for Threat Intelligence Sharing," by FIRST (Forum of Incident Response and Security Teams)
• "Evaluating Cyber Threat Intelligence Sources," by Jon DiMaggio, SANS Institute InfoSec Reading Room