Pass the ECCouncil Cyber Technician (CCT) 212-82 Questions and answers with ValidTests

The use of authorized RTU and PLC commands is the security control implemented by Hayes in the above scenario. RTU (Remote Terminal Unit) and PLC (Programmable Logic Controller) are devices that control and monitor industrial processes, such as power generation, water treatment, oil and gas production, etc. RTU and PLC commands are instructions that are sent from a master station to a slave station to perform certain actions or request certain data. The use of authorized RTU and PLC commands is a security control that fortifies the IDMZ (Industrial Demilitarized Zone) against cyber-attacks by ensuring that only valid and authenticated commands are executed by the RTU and PLC devices. Point-to-point communication is a communication method that establishes a direct connection between two endpoints. MAC authentication is an authentication method that verifies the MAC (Media Access Control) address of a device before granting access to a network. Anti-DoS solution is asecurity solution that protects a network from DoS (Denial-of-Service) attacks by filtering or blocking malicious traffic.

Isolation of VMs:

OS virtualization provides isolation between virtual machines (VMs). Each VM operates independently with its own operating system and resources. This isolation ensures that a security breach in one VM does not affect other VMs on the same physical host.

Risk avoidance is the risk treatment option suggested by the risk management team in this scenario. Risk avoidance is a risk treatment option that involves eliminating the identified risk by changing the scope, requirements, or objectives of the project or activity. Risk avoidance can be used when the risk cannot be prevented using security controls or when the risk outweighs the benefits2. References: Risk Avoidance

SecuraCorp needs an Intrusion Detection System (IDS) that can identify suspicious patterns based on behavior rather than relying solely on known signatures. Here’s why an Anomaly-based IDS is the best fit:

Anomaly-based IDS:

Behavior Analysis: Detects deviations from normal network behavior, which is crucial for identifying zero-day vulnerabilities.

Pattern Recognition: Uses machine learning and statistical methods to identify unusual patterns that might indicate malicious activity.

Advantages: Effective against unknown threats and zero-day exploits because it does not rely on predefined signatures.

Network-based IDS: Primarily monitors network traffic but often relies on signatures, making it less effective against unknown threats.

Signature-based IDS: Relies on a database of known attack signatures, which is not sufficient for detecting new or unknown threats.

Host-based IDS: Monitors individual systems but might not provide a comprehensive view of the network.

References:

EC-Council Certified Security Analyst (ECSA) materials.

Mounting the VeraCrypt Volume:

Use VeraCrypt to mount the volume fileS3cr3tlocated in the Pictures folder. The provided passwordsniffer@123is required to mount the volume.

The correct answer is B, as it identifies the type of account that the organization has given to Sam in the above scenario. A guest account is a type of account that allows temporary or limited access to a system or network for visitors or users who do not belong to the organization. A guest account typically has minimal privileges and permissions and can only access certain files or applications. In the above scenario, the organization has given Sam a guest account for the demonstration. Using this account, Sam can only access the files that are required for the demonstration and cannot open any other file in the system. Option A is incorrect, as it does not identify the type of account that the organization has given to Sam in the above scenario. A service account is a type of account that allows applications or services to run on a system or network under a specific identity. A service account typically has high privileges and permissions and can access various files or applications. In the above scenario, the organization has not given Sam a service account for the demonstration. Option C is incorrect, as it does not identify the type of account that the organization has given to Sam in the above scenario. A user account is a type of account that allows regular access to a system or network for employees or members of an organization. A user account typically has moderate privileges and permissions and can access various files or applications depending on their role. In the above scenario, the organization has not given Sam a user account for thedemonstration. Option D is incorrect, as it does not identify the type of account that the organization has given to Sam in the above scenario. An administrator account is a type of account that allows full access to a system or network for administrators or managers of an organization. An administrator account typically has the highest privileges and permissions and can access and modify any files or applications. In the above scenario, the organization has not given Sam an administrator account for the demonstration.

References: , Section 4.1

The incident likely exploited a weakness inherent in Discretionary Access Control (DAC). Here’s an explanation:

DAC Overview: In DAC, resource owners determine who has access to their resources. This model is flexible but can be prone to misconfigurations.

Weaknesses:

Ownership Rights: Users with ownership rights can inadvertently or maliciously grant access to unauthorized users.

Human Error: High reliance on correct permission settings by individual users.

Incident Scenario:

An unauthorized user gained access, possibly due to a misconfigured or overly permissive access setting by the resource owner.

This highlights the risk of relying solely on user discretion for access control.

References:

DAC Model Explanation:Link

SANS Institute on DAC: Link

For comprehensive application security testing, combining Static Application Security Testing (SAST) and Dynamic Application Security Testing (DAST) provides the best coverage:

Static Application Security Testing (SAST):

Source Code Analysis: Scans the source code to identify vulnerabilities such as code injection, buffer overflows, and insecure APIs.

Early Detection: Allows developers to fix vulnerabilities early in the development lifecycle.

Dynamic Application Security Testing (DAST):

Runtime Analysis: Tests the running application for vulnerabilities, including issues related to configuration, authentication, and authorization.

Real-World Attacks: Simulates real-world attacks to identify how the application behaves under different threat scenarios.

Combined Approach:

Holistic Security: Using both SAST and DAST provides a thorough security assessment, covering both code-level and runtime vulnerabilities.

Comprehensive Coverage: Ensures that both internal code issues and external attack vectors are addressed.

References:

OWASP Guide on SAST and DAST: OWASP

NIST Application Security Guidelines:NIST SP 800-53

 128 is the TTL value that Henry obtained, which indicates that the target OS is Windows. TTL (Time to Live) is a field in the IP (Internet Protocol) header that specifies how long a packet can remain in a network before it is discarded or dropped. TTL is usually expressed in seconds or hops (the number of routers or gateways that a packet passes through). TTL is used to prevent packets from looping endlessly in a network or consuming network resources . Different operating systems have different default TTL values for their packets. By observing the TTL value of a packet from a target system or network, one can infer the operating system of the target . Some common TTL values and their corresponding operating systems are:

64: Linux, Unix, Android

128: Windows

255: Cisco IOS

60: Mac OS

In the scenario, Henry used Nmap tool to discover the OS of the target system. Nmap (Network Mapper) is a tool that can perform various network scanning and enumerationtasks, such as port scanning, OS detection, service identification, etc . Nmap can use various techniques to detect the OS of a target system, such as TCP/IP fingerprinting, which involves analyzing various TCP/IP characteristics of packets from the target system, such as TTL value. In the scenario, Henry obtained a TTL value of 128 , which indicates that the target OS is Windows. 

A cloud auditor is a role played by Walker in the above scenario. A cloud auditor is a third party who examines controls of cloud computing service providers. Cloud auditor performs an audit to verify compliance with the standards and expressed his opinion through a report89. A cloud provider is an entity that provides cloud services, such as infrastructure, platform, or software, to cloud consumers10. A cloud carrier is an entity that provides connectivity and transport of cloud services between cloud providers and cloud consumers10. A cloud consumer is an entity that uses cloud services for its own purposes or on behalf of another entity