Quiz On Forensics And Network Intrusion! CHFI Certification Test

Android is an operating system that was based on Linux. Linux is an open-source operating system that provides a stable and secure foundation for Android. The use of Linux allows Android to benefit from its robustness, scalability, and flexibility. Additionally, being based on Linux enables Android to leverage the vast array of software and development tools available in the Linux ecosystem. This has contributed to the widespread adoption and success of Android as a mobile operating system.

HIPAA (Health Insurance Portability and Accountability Act) includes security standards for health information. HIPAA is a federal law in the United States that aims to protect sensitive patient health information from being disclosed without the patient's consent or knowledge. It sets standards for the privacy and security of health information and requires healthcare providers, health plans, and healthcare clearinghouses to implement safeguards to protect patient data. HIPAA ensures that healthcare organizations have proper security measures in place to prevent unauthorized access, use, or disclosure of health information, thereby safeguarding patient privacy and confidentiality.

DNA sample is not a valid type of digital evidence because it is a physical form of evidence, not a digital one. Digital evidence refers to any data or information that is stored or transmitted in a digital format, such as text files, application data, or executable files. DNA samples, on the other hand, are biological samples that are collected and analyzed in a laboratory using physical techniques, not digital ones. Therefore, DNA samples do not fall under the category of digital evidence.

A denial-of-service attack is a web application threat that aims to disrupt or terminate website or server operations by overwhelming the resources available to clients. This can be achieved by flooding the target server with a high volume of requests or exploiting vulnerabilities in the server's infrastructure. The goal is to make the website or server unavailable to legitimate users, causing inconvenience or financial loss to the targeted organization.

Cookie poisoning refers to a type of attack where an attacker manipulates the data stored in a user's web browser cookies. By modifying the content of the cookies, the attacker can gain unauthorized access to sensitive information or impersonate the user. This poses a significant threat to web applications as it can lead to unauthorized access, session hijacking, or other malicious activities. Therefore, cookie poisoning is a potential threat that web applications need to safeguard against.

Broken account management refers to the vulnerability in web applications where the management functions related to user updates, password recovery, and password resetting are not properly implemented or secured. This can allow attackers to exploit these functions and gain unauthorized access to user accounts, manipulate account settings, or bypass authentication mechanisms. It is important for web applications to have robust and secure account management practices to protect user accounts and prevent unauthorized access.

A hybrid cloud is a cloud environment composed of two or more clouds that remain unique entities but are bound together to offer the benefits of multiple deployment models. In a hybrid cloud, organizations can combine the flexibility and scalability of public clouds with the control and security of private clouds. This allows them to leverage the strengths of both deployment models, optimizing their resources and meeting specific business needs.

Cross-site request forgery (CSRF) occurs when an authenticated user is tricked into performing unwanted actions on a web application chosen by an attacker. This is achieved by exploiting the trust that the web application has in the authenticated user's identity. The attacker may craft a malicious request that appears legitimate, leading the user's browser to unknowingly execute the request. CSRF attacks can result in unauthorized actions being performed on the user's behalf, such as changing account settings or making fraudulent transactions.

The value 3 for the registry entry EnablePrefetcher indicates that both application and boot prefetching are enabled. Prefetching is a technique used by the operating system to optimize the loading of frequently used files and applications. With both application and boot prefetching enabled, the system will pre-load commonly used applications and system files during startup and while running applications, resulting in faster performance.

Investigators perform postmortem analysis to detect something that has already occurred in a network/device and determine what it is. Postmortem analysis involves examining the evidence and data logs after an event or incident has taken place. This analysis helps investigators understand the cause, impact, and extent of the incident, allowing them to identify the vulnerabilities and take necessary measures to prevent similar incidents in the future.

A public cloud environment allows the provider to make services, such as applications, servers, and data storage, available to the public over the internet. This means that anyone with internet access can utilize these services without needing to have their own infrastructure or resources. Public cloud environments are typically managed by third-party providers and offer scalability, flexibility, and cost-effectiveness to users. They are suitable for organizations or individuals who require on-demand resources and do not need to maintain complete control over their infrastructure.

Deleted items on Windows Vista and later versions of Windows are stored in the "$Recycle.Bin" folder located in the root directory of the respective drive.

FISMA stands for the Federal Information Security Management Act. It is a United States federal law that provides a framework for securing information systems within federal agencies. FISMA establishes security standards and guidelines for the development, documentation, and implementation of organization-wide programs for information security. Therefore, FISMA is the correct answer as it specifically addresses congressional security standards and guidelines for federal agencies.

PCI DSS stands for Payment Card Industry Data Security Standard. It is a proprietary information security standard designed to ensure the security of cardholder information for organizations that handle major debit, credit, prepaid, e-purse, ATM, and POS cards. PCI DSS provides guidelines and requirements for organizations to protect cardholder data, maintain a secure network, implement strong access control measures, regularly monitor and test networks, and maintain an information security policy. Compliance with PCI DSS is necessary for organizations that handle cardholder information to prevent data breaches and protect the sensitive information of cardholders.

Logs found to have no known anomalies is NOT an indication of a web attack. In the context of web security, logs are used to track and monitor activities on a network. If logs are found to have no known anomalies, it suggests that there are no suspicious or malicious activities detected, indicating that there is no ongoing web attack. On the other hand, the other options listed (access denied to normally available web services, web pages redirected to an unknown website, and network performance being unusually slow) are all potential indicators of a web attack as they signify abnormal behavior or unauthorized access.

The web server layer is responsible for handling incoming requests from clients and forwarding the appropriate response back. This layer contains components such as the HTTP Request Parser, which parses the request and extracts the necessary information. It then forwards this request to the appropriate component in the architecture for further processing. Therefore, the web server layer is the correct answer as it contains the components that handle request parsing and response forwarding.

SQL injection is a web application threat where attackers insert malicious SQL commands into input data fields, such as forms, in order to manipulate or tamper with the data stored in the database. This can allow them to bypass authentication, access sensitive information, modify or delete data, or even execute arbitrary commands on the database server. By exploiting vulnerabilities in the application's input validation mechanisms, attackers can effectively control the SQL queries executed by the application, leading to potential security breaches.

IaaS stands for Infrastructure as a Service. It is a cloud service that allows subscribers to access and use fundamental IT resources on demand. This includes computing power, virtualization, data storage, network, and more. With IaaS, users can easily scale their resources up or down based on their needs, without the need to invest in and maintain physical infrastructure.

In order to offer a good report to a court of law and ease the prosecution, an investigator must preserve the evidence. Preserving the evidence ensures that it remains intact and uncontaminated, allowing for a thorough examination and analysis. By preserving the evidence, the investigator can present accurate and reliable information to the court, which can strengthen the case and support the prosecution's arguments.

Quantum storage devices are not a digital data storage type because they do not store data in a digital format. Unlike magnetic storage devices, flash memory devices, and optical storage devices, which store data in binary code (0s and 1s), quantum storage devices use the principles of quantum mechanics to store and retrieve data in a quantum state. This makes them fundamentally different from traditional digital storage types.

Netstat is a command-line tool used in Windows systems to gather information about network connections and network statistics. It displays active connections, listening ports, and various network-related information such as protocol statistics and routing tables. By using netstat, users can identify established connections, monitor network traffic, and troubleshoot network issues. Therefore, netstat is the correct tool for collecting information about network connections operative in a Windows system.

SaaS stands for Software as a Service. It is a cloud service that offers application software to subscribers on demand or over the internet. The provider charges for this service on a pay-per-use basis, by subscription, by advertising, or by sharing among multiple users.

The correct answer is hardware. The hardware layer of mobile device environments includes physical components such as the display device, keypad, RAM, flash, embedded processor, and media processor. These items are responsible for the mobile device's operations and functionality.

Eavesdropping is a type of network-based attack where an unauthorized person intercepts and listens to private conversations or data transmissions on a network. This can be done by capturing and analyzing network traffic, exploiting vulnerabilities in network protocols, or using specialized tools. Eavesdropping allows attackers to gather sensitive information, such as passwords, personal data, or confidential business information, without the knowledge or consent of the individuals involved. It is a serious security threat that can lead to identity theft, financial loss, or unauthorized access to systems and resources.

Windows Vista and later versions use the EVTX file format to store event logs as simple text files in XML format. This format allows for easy readability and analysis of the event logs, making it more convenient for troubleshooting and system monitoring purposes. The EVTX file format also provides a standardized way of storing event information, ensuring compatibility across different Windows operating systems.

Information leakage refers to a drawback in a web application where it unintentionally reveals sensitive data to an unauthorized user. This can occur due to vulnerabilities in the application's code or configuration, allowing an attacker to gain access to confidential information. SQL injection, cookie poisoning, and buffer overflow are all different types of web application threats, but they do not specifically refer to the unintentional disclosure of sensitive data.

Flash memory is a non-volatile, electronically erasable and reprogrammable storage medium. This means that it can retain data even when power is turned off, it can be erased and rewritten electronically, and it can be reprogrammed multiple times. Unlike other storage devices, flash memory is not only efficient but also relatively affordable. It is commonly used in various electronic devices such as USB drives, solid-state drives, and memory cards.

Retransmitting spam messages through a computer to mislead others about the origin of the message is a violation of the Controlling the Assault of Non-Solicited Pornography and Marketing Act. This act, also known as the CAN-SPAM Act, prohibits the transmission of deceptive or misleading information in commercial emails. By retransmitting spam messages through a computer, the sender is intentionally misleading recipients about the true source of the message, which is a violation of the law.

Email crime is not limited by the email organization because email crimes can be committed by individuals or groups outside of the organization. These crimes can include phishing attacks, email scams, and spreading malware through email. Therefore, it is incorrect to say that email crimes are limited by the email organization.

Log viewing is not one of the three major concerns regarding log management. The three major concerns are log creation and storage, log analysis, and log protection and availability. Log viewing refers to the ability to access and view logs, which is important for troubleshooting and monitoring purposes, but it is not considered one of the primary concerns in log management.

The NDF (Secondary Data File) is an optional file in SQL servers. It is used to store user-defined data and can be added to a database to increase storage capacity. However, it is not necessary for the functioning of the database and its absence does not affect the basic operations. Therefore, the NDF file is considered optional in SQL servers.

Law advisors are responsible for ensuring that all forensic activities are conducted within the jurisdiction and in compliance with regulations and agreements. They provide legal guidance and advice to investigators, IT professionals, and incident handlers to ensure that their actions do not violate any laws or regulations. Law advisors play a crucial role in ensuring that forensic activities are conducted ethically and legally.

The command "Open files" is not used to determine open files. The other three options, "Net file," "PsFile," and "Openfiles," are all commands that can be used to determine open files.

Investigators are responsible for conducting forensic examinations against allegations made regarding wrongdoings, found vulnerabilities, and attacks over the cloud. They are trained professionals who gather and analyze evidence to determine the cause and extent of any security incidents. Incident handlers play a role in responding to and mitigating security incidents, while law advisors provide legal guidance. IT professionals may be involved in securing and maintaining cloud systems, but they are not specifically responsible for conducting forensic examinations.

Spear phishing sites are a common technique used to distribute malware on the web by mimicking legitimate institutions. These sites trick users into entering sensitive information such as passwords, credit cards, and bank account data, which is then stolen by the attackers. Unlike regular phishing attacks that cast a wide net, spear phishing sites are specifically targeted towards individuals or organizations, making them more effective and difficult to detect.

The database layer of web application architecture is composed of cloud services that store all commercial transactions and a server that provides an organization's production data in a structured form. This layer is responsible for managing and storing data, allowing the application to retrieve and manipulate information efficiently. It ensures data integrity, security, and accessibility for the web application.

The primary information required for starting an email investigation is the unique IP address. This is because the IP address can provide valuable information about the origin and location of the email, helping investigators trace its source. The SMTP log, date and time, and unique message are also important in the investigation process, but the unique IP address is crucial in identifying the sender and gathering further evidence.

The value 1 from the registry entry, EnablePrefetcher, tells the system to enable application prefetching. Application prefetching is a feature in the system that predicts and loads the necessary files and data for faster application startup times. This means that when the system detects that a particular application is frequently used, it will proactively load the necessary resources into memory, resulting in improved performance when launching that application.

Cross-site scripting (XSS) occurs when attackers bypass the client's ID security mechanisms and inject malicious scripts into specific fields in web pages. This allows them to gain access privileges and potentially manipulate or steal sensitive information from users. XSS attacks can be used to deliver malware, steal login credentials, or perform other malicious activities.

A common technique used to distribute malware on the web is drive-by downloads. In this method, an attacker takes advantage of vulnerabilities in browser software to automatically install malware on a user's device when they visit a compromised website. This can happen without the user's knowledge or consent, making it a highly effective way for attackers to distribute malware and compromise systems.

A bottleneck refers to a limitation or a point of congestion in a network where the flow of data is restricted. It can occur due to various reasons such as insufficient bandwidth, outdated hardware, or network congestion. This can lead to reduced network performance and can be exploited by attackers to disrupt or compromise the internal network. Therefore, a bottleneck can be considered as an internal network vulnerability.

The phone API is the correct answer because it provides telephony services related to the mobile carrier operator. This includes making calls, receiving calls, and SMS functionality. The phone API allows developers to access and utilize these telephony services in their mobile applications.

The correct answer is Volatility Framework. The Volatility Framework is a completely open collection of tools implemented in Python under the GNU General Public License. It is specifically designed for the extraction of digital artifacts from volatile memory (RAM) samples. The framework provides a wide range of capabilities for analyzing memory dumps, including the extraction of running processes, network connections, registry keys, and other valuable forensic information.

Log generation is not a log management system function because log management systems are designed to collect, store, analyze, and manage logs generated by various sources such as applications, servers, and network devices. Log generation refers to the process of creating new logs, which is typically done by the systems or applications themselves, rather than the log management system.

Wevtutil is the correct answer because it is a command-line utility tool in Windows 10 that allows users to retrieve information about event logs and publishers. It provides various functionalities such as querying, exporting, and managing event logs on the local or remote computers. Wevtutil is commonly used by system administrators and advanced users to troubleshoot and analyze events and logs in the Windows operating system.

Log rotation is not one of the three tiers in a typical log management infrastructure. Log rotation refers to the process of managing log files by compressing, archiving, or deleting them based on certain criteria such as size or time. While log generation, log analysis and storage, and log monitoring are essential components of a log management infrastructure, log rotation is a separate task that ensures the efficient management of log files but does not belong to the core tiers.

The communication API is the architectural layer of mobile device environments that simplifies the process of interacting with web services and other applications such as email, the internet, and SMS. This API provides a set of functions and protocols that allow the mobile device to establish and manage communication with external services and applications. It handles tasks such as sending and receiving data, managing network connections, and handling communication protocols. By providing a standardized interface for communication, the communication API makes it easier for developers to integrate their applications with various services and enables seamless communication between the mobile device and external systems.

Click-jacking is a common technique used to distribute malware on the web. It involves injecting malware into legitimate-looking websites to trick users into unknowingly selecting malicious elements. By overlaying transparent buttons or links on top of legitimate content, attackers can deceive users into clicking on them, which can lead to the installation of malware on their devices. This technique exploits the trust users have in familiar websites, making it easier for hackers to distribute malware without raising suspicion.

Cookie poisoning refers to the modification of a website's remnant data, specifically the cookies, in order to bypass security measures or gain unauthorized information. This can be done by an attacker manipulating the content of the cookies, such as changing the values or adding malicious data. By doing so, the attacker can exploit vulnerabilities in the website's authentication or session management systems, potentially gaining access to sensitive information or unauthorized privileges.

The command "LoggedSessions" is not a valid command used to determine logged-on users. The other options, "net sessions," "PsLoggedOn," and "LogonSessions," are commonly used commands to determine logged-on users.