Free 212-89 Practice Test Questions and Answers (2026)

A side channel attack, as described in the scenario, involves an attacker using indirect methods to

gather information from a system. In this case, Alice is exploiting the shared physical resources,

specifically the processor cache, of a virtual machine host to steal data from another virtual machine

on the same host. This type of attack does not directly breach the system through conventional

means like breaking encryption but instead takes advantage of the information leaked by the

physical implementation of the system, such as timing information, power consumption,

electromagnetic leaks, or, as in this case, shared resource utilization, to infer the secret data.

Reference:The EC-Council's Certified Incident Handler (ECIH v3) program covers various types of

cyber attacks, including advanced techniques like side channel attacks, highlighting the need for

comprehensive security strategies that consider both direct and indirect attack vectors.

The GPG18 and Forensic readiness planning (SPF) principles outline various guidelines to enhance an

organization's readiness for forensic investigation and response. Principle 5, which suggests that

organizations should adopt a scenario-based Forensic Readiness Planning approach that learns from

experience gained within the business, emphasizes the importance of being prepared for a wide

range of potential incidents by leveraging lessons learned from past experiences. This approach

helps in continuously improving forensic readiness and response capabilities by adapting to the

evolving threat landscape and organizational changes.

Reference:While specific documentation from GPG18 and SPF might detail these principles, the ECIH

v3 program by EC-Council covers the concept of forensic readiness planning, including adopting

scenario-based approaches and learning from past incidents as a fundamental aspect of enhancing

an organization's incident response and forensic capabilities.

The Slowloris attack is a type of application-layer attack that targets the web server by establishing

and maintaining many simultaneous HTTP connections to the target server. Unlike traditional

network-layer DoS/DDoS attacks such as UDP flood or SYN flood, Slowloris is designed to hold as

many connections to the target web server open for as long as possible. It does so by sending partial

requests, which are never completed, and periodically sending subsequent HTTP headers to keep the

connections open. This consumes the server's resources, leading to denial of service as legitimate

users cannot establish connections. The Slowloris attack is effective even against servers with a high

bandwidth because it targets the server's connection pool, not its network bandwidth.

Reference:Incident Handler (ECIH v3) courses and study guides particularly emphasize understanding

different types of attacks, including application-layer attacks like Slowloris, as part of the incident

handling and response process.

One of the key approaches to mitigating insider threats is ensuring that access control policies are

strictly implemented and monitored. This includes the guideline that access granted to users should

be thoroughly documented and vetted by a supervisor. This control helps ensure that users have only

the access necessary to perform their job functions, reducing the risk of inappropriate access or

misuse of information. Proper documentation and supervisor approval also ensure accountability

and traceability of access decisions, which is crucial for detecting and responding to insider threats.

The human resources department plays a vital role in this process, working closely with IT and

security teams to enforce access control policies, conduct regular reviews of access rights, and

manage the onboarding and offboarding process to ensure that access rights are appropriately

updated.

Reference:The Incident Handler (ECIH v3) materials often emphasize the importance of

comprehensive access control measures and the role of human resources in preventing insider

threats by managing the lifecycle of employee access to organizational resources.

While technical solutions like antivirus updates, disabling HTML in emails, and web proxy filtering

play significant roles in securing email systems, the best method to prevent email incidents is often

considered to be end-user training. This is because many email threats, such as phishing, rely on

exploiting user behavior rather than technical vulnerabilities. By educating users on the risks

associated with suspicious emails, how to recognize potentially harmful messages, and the

importance of not clicking on unknown links or attachments, organizations can significantly reduce

the risk of email-related incidents. End-user training empowers individuals to act as a critical line of

defense against email-based threats, complementing technical safeguards.

Reference:EC-Council's Certified Incident Handler (ECIH v3) curriculum emphasizes the importance of

a holistic approach to cybersecurity, including the key role of end-user education in preventing email

incidents and other security breaches.

Anti-forensics techniques are designed to prevent, mislead, or interfere with the incident handling

process, affecting the collection, preservation, and identification phases of the forensic investigation

process. These techniques include methods to erase, encrypt, or alter information, make data

recovery difficult, hide data (e.g., steganography), or otherwise obstruct forensic analysis and

investigation efforts. Anti-forensics can significantly challenge the efforts of incident responders and

forensic investigators in establishing the facts of a security incident or crime.

Reference:The Incident Handler (ECIH v3) courses and study guides discuss various challenges in

digital forensics, including anti-forensics methods and their impact on the effectiveness of forensic

investigations.

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The scenario described, where Oscar receives an email with a link that contains a malicious URL

redirecting to evilsite.org, exemplifies a vulnerability related to unvalidated redirects and forwards.

This type of vulnerability occurs when a web application accepts untrusted input that could cause the

web application to redirect the request to a URL contained within untrusted input. Attackers can

exploit this vulnerability by crafting a malicious URL that leads unsuspecting users to phishing sites or

other malicious websites, under the guise of a legitimate domain. This is distinct from malware,

which refers to malicious software; SQL injection, which involves inserting malicious SQL queries

through input fields to manipulate or exploit databases; and is not a term related to cybersecurity

vulnerabilities.

Reference:The Incident Handler (ECIH v3) certification materials often cover web application

vulnerabilities, including unvalidated redirects and forwards, emphasizing the need for proper

validation and sanitization of user input to prevent such exploits.

The GPG18 and Forensic readiness planning (SPF) principles outline various guidelines to enhance an

organization's readiness for forensic investigation and response. Principle 5, which suggests that

organizations should adopt a scenario-based Forensic Readiness Planning approach that learns from

experience gained within the business, emphasizes the importance of being prepared for a wide

range of potential incidents by leveraging lessons learned from past experiences. This approach

helps in continuously improving forensic readiness and response capabilities by adapting to the

evolving threat landscape and organizational changes.

Reference:While specific documentation from GPG18 and SPF might detail these principles, the ECIH

v3 program by EC-Council covers the concept of forensic readiness planning, including adopting

scenario-based approaches and learning from past incidents as a fundamental aspect of enhancing

an organization's incident response and forensic capabilities.

MxToolbox is a comprehensive tool designed for analyzing email headers and diagnosing various

email delivery issues. When Francis received a spoofed email asking for his bank information, using

MxToolbox to analyze the email headers would be appropriate. This tool helps in examining the

source of the email, tracking the email's path across the internet from the sender to the receiver, and

identifying any signs of email spoofing or malicious activity. It provides detailed information about

the email servers encountered along the way and can help in verifying the authenticity of the email

sender. Other options like EventLog Analyzer, Email Checker, and PoliteMail are tools used for

different purposes such as analyzing system event logs, checking email address validity, and

managing email communications, respectively, and do not specifically focus on analyzing email

headers to the extent required for investigating a spoofed email incident.

Reference:The use of MxToolbox in incident handling and email security analysis is commonly

recommended in Incident Handler (ECIH v3) study materials as a practical tool for email header

analysis and spoofing investigation.

Farheen's activity of using the DD tool to create a sector-by-sector mirror image of the original disk is

an example of system preservation. This process is crucial in digital forensics for creating an exact

copy of a storage device to ensure that the original data remains unchanged during the investigation.

By making a forensic duplication, or image, of the disk, Farheen ensures that the static data on the

disk is preserved in its current state for thorough analysis, without altering the original evidence. This

step allows investigators to work with a precise replica of the data, protecting the integrity of the

original evidence.

Reference:The Incident Handler (ECIH v3) certification materials discuss various methods and tools

for data acquisition and preservation, highlighting the importance of system preservation in the

initial stages of forensic analysis.

A Trojan, short for Trojan horse, is a type of malicious software that misleads users of its true intent.

It disguises itself as a legitimate and useful program, but once executed, it allows unauthorized

access to the user's system. Unlike viruses and worms, Trojans do not replicate themselves but can

be just as destructive. They are often used to create a backdoor to a computer system, allowing an

attacker to gain access to the system or to deliver other malware. Trojans can be used for a variety of

purposes, including stealing information, downloading or uploading files, monitoring the user's

screen and keyboard, and more. The term "Trojan" comes from the Greek story of the wooden horse

that was used to sneak soldiers into the city of Troy, which is analogous to the deceptive nature of

this type of malware in cyber security.

Reference:The EC-Council's Certified Incident Handler (ECIH v3) program covers various types of

malware, including Trojans, in detail, explaining their mechanisms, how they can be identified, and

the steps to take in response to such threats.

By classifying and encrypting customer Personally Identifiable Information (PHI), you are specifically

guarding against the risk of Sensitive Data Exposure. This OWASP security risk involves the accidental

or unlawful exposure of protected data to unauthorized individuals. Encryption serves as a critical

defense mechanism by ensuring that, even if data is accessed without authorization, it remains

unintelligible and useless to the attacker without the decryption keys. Data classification further

supports this by identifying which data is sensitive and requires such protections, ensuring that

appropriate security controls are applied to prevent exposure.

Reference:OWASP Top 10, a widely respected document that outlines the most critical web

application security risks, identifies Sensitive Data Exposure as a key risk area. Incident Handler (ECIH

v3) courses and study guides often refer to the OWASP Top 10 to explain common web security risks

and appropriate countermeasures, including the importance of encrypting sensitive data.

In incident response protocols, incidents are categorized based on their severity, impact, and the

urgency of the response required. The categorization helps in prioritizing incident response activities

and allocating resources accordingly. A CAT 1 (Category 1) incident is typically considered the highest

priority, involving significant threats that require immediate response. Given the scenario where a

malware incident in one of the largest social network companies must be reported within 1 hour of

discovery/detection, this indicates a high-priority incident due to the potential widespread impact

and the need for a rapid response to contain and mitigate the malware's spread. The urgency of the

reporting timeframe suggests that the incident is considered critical, aligning with the characteristics

of a CAT 1 incident, which necessitates immediate action to prevent significant damage or disruption

to the company's operations and services.

Reference:The Incident Handler (ECIH v3) curriculum emphasizes the importance of incident

categorization and the establishment of clear reporting and response protocols based on the severity

and urgency of incidents. This framework enables organizations to respond effectively to incidents

like malware attacks by ensuring that high-priority threats are quickly identified and addressed.

A Permanent Denial-of-Service (PDoS) attack, also known as "phlashing," is a form of attack that

targets hardware, causing irreversible damage to the hardware components, thereby making the

device unusable without a replacement or significant hardware intervention. In the scenario

described with Zaimasoft, the attackers' actions leading to the damage of hardware components

align with the characteristics of a PDoS attack. Unlike Distributed Denial-of-Service (DDoS) or Denial-

of-Service (DoS) attacks, which generally aim to overwhelm a system's resources temporarily, or

DRDoS (Distributed Reflection Denial of Service), which involves amplification techniques using third-

party servers, a PDoS attack directly damages the physical hardware, necessitating its replacement or

reinstallation. This makes PDoS particularly severe due to its permanent impact on the targeted

organization's hardware infrastructure.

Reference:Incident Handler (ECIH v3) educational resources detail various types of denial-of-service

attacks, including PDoS, highlighting the distinct nature of each attack and its implications on the

affected systems, with PDoS being noted for its physical, irreparable impact on hardware

components.

The described attack is a "Watering hole" attack. This type of attack targets specific groups of users

by infecting websites they are known to frequently visit. The attacker first identifies websites that are

popular with the target group, then finds vulnerabilities in those websites to inject malicious code.

When the victims visit the compromised site, the code redirects them to other sites or automatically

downloads malware onto their machines. This attack leverages the trust users have in regularly

visited sites to distribute malware. Unlike obfuscation application, directory traversal, or

cookie/session poisoning attacks, watering hole attacks specifically aim to compromise a commonly

used and trusted website to target its users.

Reference:The ECIH v3 certification materials discuss various cyber attack strategies, including

watering hole attacks, and provide insights into how attackers exploit trusted relationships between

websites and their users.

The first step in securing an employee's account following an email hacking incident involves

restoring access to the email services if necessary and immediately changing the password to

prevent unauthorized access. This action ensures that the attacker is locked out of the account as

quickly as possible. While enabling two-factor authentication, scanning links and attachments, and

disabling automatic file sharing are important security measures, they come into play after ensuring

that the compromised account is first secured by changing its password to halt any ongoing

unauthorized access.

Reference:The ECIH v3 certification materials cover the initial steps to be taken when responding to

incidents involving compromised accounts, emphasizing the importance of quickly changing

passwords to secure the accounts against further unauthorized access.

The scenario described is characteristic of a Trojan. A Trojan is a type of malware that disguises itself

as legitimate software but performs malicious actions once installed. Unlike viruses, which can

replicate themselves, or worms, which can spread across networks on their own, Trojans rely on the

guise of legitimacy to trick users into initiating their execution. In this case, the user believed they

were downloading and installing genuine software, but the reality was that the application contained

a Trojan. The malicious code executed upon installation provided unauthorized remote access to the

user's computer, which could be used by an attacker to control the system, steal data, install

additional malware, or carry out other malicious activities.

Trojans can come in many forms and can be used to achieve a wide range of malicious objectives,

making them a versatile and dangerous type of cyber threat. The deceptive nature of Trojans,

exploiting the trust users have in what appears to be legitimate software, is what makes them

particularly effective and widespread.

Reference:The ECIH v3 curriculum from EC-Council thoroughly covers different types of malware,

including Trojans, and emphasizes understanding their behavior, methods of infection, and strategies

for prevention and response.

The correct sequence of steps involved in forensic readiness planning, based on the activities

described, is as follows:

Identify the potential evidence required for an incident.

Determine the source of the evidence.

Define a policy that determines the pathway to legally extract electronic evidence with minimal

disruption.

Establish a policy for securely handling and storing the collected evidence.

Identify if the incident requires full or formal investigation.

Train the staff to handle the incident and preserve the evidence.

Create a special process for documenting the procedure.

Reference:Incident Handler (ECIH v3) courses and study guides include discussions on forensic

readiness planning, highlighting the importance of preparing organizations for effective legal and

technical handling of incidents.

When a browser does not expire a session after the user fails to logout properly, it is indicative of a

vulnerability related to broken authentication. Broken authentication is a security issue where

attackers can exploit flaws in the authentication mechanism to impersonate other users or take over

their sessions. Failure to properly manage session lifetimes, such as not expiring sessions on logout,

can allow an attacker to reuse old sessions or session IDs, potentially gaining unauthorized access to

user accounts. This vulnerability is classified under A2: Broken Authentication in the OWASP Top 10,

which lists the most critical web application security risks. The OWASP Top 10 serves as a guideline

for developers and web application providers to understand and mitigate common security risks.

Reference:The OWASP Top 10 is a widely recognized standard for web application security, often

referenced in cybersecurity training and certifications, including the EC-Council's Incident Handler

(ECIH v3) curriculum, which covers identification and mitigation of various web application

vulnerabilities, including broken authentication.

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