Free Practice Questions for ECCouncil 212-82 Exam

Secure Data Transmission:

VPNs encrypt data transmitted between the mobile device and the network, ensuring that sensitive information is protected from interception and eavesdropping.

Risk treatment is the risk management phase that Cassius was instructed to perform in the above scenario. Risk management is a process that involves identifying, analyzing, evaluating, treating, monitoring, and reviewing risks that can affect an organization’s objectives, assets, or operations. Risk management phases can be summarized as follows: risk identification, risk analysis, risk prioritization, risk treatment, and risk monitoring . Risk identification is the risk management phase that involves identifying and documenting potential sources, causes, events, and impacts of risks. Risk analysis is the risk management phase that involves assessing and quantifying the likelihood and consequences of risks. Risk prioritization is the risk management phase that involves ranking risks based on their severity level and determining which risks need immediate attention or action. Risk treatment is the risk management phase that involves selecting and implementing appropriate controls or strategies to address risks based on their severity level . Risk treatment can include avoiding, transferring, reducing, or accepting risks. Risk monitoring is the risk management phase that involves tracking and reviewing the performance and effectiveness of risk controls or strategies over time.

The attacker is a user from the image file in the above scenario. A file system is a method or structure that organizes and stores files and data on a storage device, such as a hard disk, a flash drive, etc. A file system can have different types based on its format or features, such as FAT, NTFS, ext4, etc. A file system can be analyzed to extract various information, such as file names, sizes, dates, contents, etc. A Linux image is an image file that contains a copy or a snapshot of a Linux-based file system . A Linux image can be analyzed to extract various information about a Linux-based system or device . To analyze the file system of a Linux image captured from a device that has been attacked recently and identify a user from the image file, one has to follow these steps:

Navigate to Documents folder of Attacker Machine-1.

Right-click on Evidenced.img file and select Mount option.

Wait for the image file to be mounted and assigned a drive letter.

Open File Explorer and navigate to the mounted drive.

Open etc folder and open passwd file with a text editor.

Observe the user accounts listed in the file.

The user accounts listed in the file are:

root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin bin:x:2:2:bin:/bin:/usr/sbin/nologin sys:x:3:3:sys:/dev:/usr/sbin/nologin sync:x:4:65534:sync:/bin:/bin/sync games:x:5:60:games:/usr/games:/usr/sbin/nologin man:x:6:12:man:/var/cache/man:/usr/sbin/nologin lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin mail:x:8:8:mail:/var/mail:/usr/sbin/nologin news:x:9:9:news:/var/spool/news:/usr/sbin/nologin uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin proxy:x:13:13:proxy:/bin:/usr/sbin/nologin www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin backup:x:34:34:backup:/var/backups:/usr/sbin/nologin list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin systemd-timesync:x:100: systemd-network:x: systemd-resolve:x:systemd-bus-proxy:x: syslog:x: _apt:x: messagebus:x: uuidd:x: lightdm:x: whoopsie:x: avahi-autoipd:x: avahi:x: dnsmasq:x: colord:x: speech-dispatcher:x: hplip:x: kernoops:x: saned:x: nm-openvpn:x: nm-openconnect:x: pulse:x: rtkit:x: sshd:x: attacker::1000

The user account that is not a system or service account is attacker, which is a user from the image file.

RFID (Radio Frequency Identification) is a short-range wireless communication technology that uses radio waves to identify and track objects. RFID tags are attached to objects and RFID readers scan the tags to obtain the information stored in them. RFID is commonly used for access control, inventory management, and identification3. References: What is RFID?

Jane encountered a combination of social engineering tactics:

Spear Phishing:

CEO Impersonation Email: The initial email and the follow-up with the scanned image of the CEO's handwritten note are examples of spear phishing, where attackers target specific individuals with tailored messages to gain their trust and extract sensitive information.

Vishing:

'IT Support' Call: The phone call from the supposed 'IT support' representative asking Jane to download a 'security patch' is a form of vishing (voice phishing). This tactic involves using phone calls to trick victims into revealing sensitive information or performing actions that compromise security.

References:

Social Engineering Techniques: SANS Institute Reading Room

Phishing and Vishing Explained: Norton Security

Engaging a cloud-based data storage provider allows NovusCorp to manage the sudden influx of data requests without overloading the secondary data center. Cloud providers can quickly scale resources to meet demand.

Riley’s public key is the key that Louis used to verify the digital signature in the above scenario. A digital signature is a cryptographic technique that verifies the authenticity and integrity of a message or document. A digital signature is created by applying a hash function to the message or document and then encrypting the hash value with the sender’s private key. A digital signature can be verified by decrypting the hash value with the sender’s public key and comparing it with the hash value of the original message or document . Riley’s public key is the key that corresponds to Riley’s private key, which he used to sign the message. Louis’s public key is the key that corresponds to Louis’s private key, which he may use to encrypt or decrypt messages with Riley. Louis’s private key is the key that only Louis knows and can use to sign or decrypt messages. Riley’s private key is the key that only Riley knows and can use to sign or encrypt messages.

Permissive policy is the type of Internet access policy implemented by George in this scenario. An Internet access policy is a policy that defines the rules and guidelines for accessing the Internet from a system or network. An Internet access policy can be based on various factors, such as security, productivity, bandwidth, etc. An Internet access policy can have different types based on its level of restriction or control. A permissive policy is a type of Internet access policy that allows users to access any site, download any application, and access any computer or network without any restrictions. A permissive policy can be used to provide maximum flexibility and freedom to users, but it can also pose significant security risks and challenges. In the scenario, George implemented an Internet access policy that allowed employees working from a remote location to access any site, download any application, and access any computer or network without any restrictions. This means that he implemented a permissive policy for those employees. A paranoid policy is a type of Internet access policy that blocks or denies all Internet access by default and only allows specific sites, applications, or computers that are explicitly authorized. A prudent policy is a type of Internet access policy that allows most Internet access but blocks or restricts some sites, applications, or computers that are deemed inappropriate, malicious, or unnecessary. A promiscuous policy is not a type of Internet access policy, but a term that describes a network mode that allows a network interface card (NIC) to capture all packets on a network segment, regardless of their destination address. 

 /var/log/boot.log is the Linux log file accessed by Nancy in the above scenario. Linux is an open-source operating system that logs various events and activities on the system or network. Linux log files are stored in the /var/log directory, which contains different types of log files for different purposes. /var/log/boot.log is the type of log file that records events related to the booting process of the Linux system, such as loading drivers, services, modules, etc. /var/log/boot.log can help identify issues related to unexpected shutdowns and restarts on a Linux machine . /var/log/secure is the type of log file that records events related to security and authentication, such as logins, logouts, password changes, sudo commands, etc. /var/log/kern.log is the type of log file that records events related to the kernel, such as kernel messages, errors, warnings, etc. /var/log/lighttpd/ is the directory that contains log files related to the lighttpd web server, such as access logs, error logs, etc. 

For TechSolutions to overhaul the wireless network infrastructure for the city’s public libraries, WPA3 is the best choice due to the following reasons:

Security: WPA3 provides enhanced security over previous protocols like WPA2, offering stronger encryption mechanisms and protection against brute-force attacks.

Backward Compatibility: WPA3 ensures compatibility with devices supporting WPA2, making it suitable for diverse devices used by library-goers.

Features:

Simultaneous Authentication of Equals (SAE): Enhances security during the handshake process.

Forward Secrecy: Protects past communications even if the current encryption key is compromised.

Improved Encryption: Uses AES-256 in Galois/Counter Mode (AES-GCM) for secure encryption.

References:

Wi-Fi Alliance WPA3 Overview: Wi-Fi Alliance

Analysis of WPA3 features: ACM Digital Library