🔍

312-50v13 — questions

Page 15 of 16 · 308 total questions.

Topic 1 · Question 281

Kevin, an encryption specialist, implemented a technique that enhances the security of keys used for encryption and authentication. Using this technique, Kevin input an initial key to an algorithm that generated an enhanced key that is resistant to brute-force attacks. What is the technique employed by Kevin to improve the security of encryption keys?

  • AKey stretching (correct answer)
  • BPublic key infrastructure
  • CKey derivation function
  • DKey reinstallation
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Key stretching This option keeps traffic private / properly secured as required.

Topic 1 · Question 282

Jake, a professional hacker, installed spyware on a target iPhone to spy on the target user’s activities. He can take complete control of the target mobile device by jailbreaking the device remotely and record audio, capture screenshots, and monitor all phone calls and SMS messages. What is the type of spyware that Jake used to infect the target device?

  • ADroidSheep
  • BAndrorat
  • CTrident (correct answer)
  • DZscaler
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Trident

Topic 1 · Question 283

Robert, a professional hacker, is attempting to execute a fault injection attack on a target IoT device. In this process, he injects faults into the power supply that can be used for remote execution, also causing the skipping of key instructions. He also injects faults into the clock network used for delivering a synchronized signal across the chip. Which of the following types of fault injection attack is performed by Robert in the above scenario?

  • AFrequency/voltage tampering
  • BOptical, electromagnetic fault injection (EMFI)
  • CTemperature attack
  • DPower/clock/reset glitching (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Power/clock/reset glitching

Topic 1 · Question 284

Kate dropped her phone and subsequently encountered an issue with the phone's internal speaker. Thus, she is using the phone's loudspeaker for phone calls and other activities. Bob, an attacker, takes advantage of this vulnerability and secretly exploits the hardware of Kate's phone so that he can monitor the loudspeaker's output from data sources such as voice assistants, multimedia messages, and audio files by using a malicious app to breach speech privacy. What is the type of attack Bob performed on Kate in the above scenario?

  • ASIM card attack
  • BaLTEr attack
  • CSpearphone attack (correct answer)
  • DMan-in-the-disk attack
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Spearphone attack

Topic 1 · Question 285

Dayn, an attacker, wanted to detect if any honeypots are installed in a target network. For this purpose, he used a time-based TCP fingerprinting method to validate the response to a normal computer and the response of a honeypot to a manual SYN request. Which of the following techniques is employed by Dayn to detect honeypots?

  • ADetecting honeypots running on VMware
  • BDetecting the presence of Snort_inline honeypots
  • CDetecting the presence of Honeyd honeypots (correct answer)
  • DDetecting the presence of Sebek-based honeypots
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Detecting the presence of Honeyd honeypots

Topic 1 · Question 286

Morris, an attacker, wanted to check whether the target AP is in a locked state. He attempted using different utilities to identify WPS-enabled APs in the target wireless network. Ultimately, he succeeded with one special command-line utility. Which of the following command-line utilities allowed Morris to discover the WPS-enabled APs?

  • Awash (correct answer)
  • Bnet view
  • Cmacof
  • Dntptrace
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: wash

Topic 1 · Question 287

Which Nmap switch helps evade IDS or firewalls?

  • A-D (correct answer)
  • B-n/-R
  • C-T
  • D-oN/-oX/-oG
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: -D

Topic 1 · Question 288

Ron, a security professional, was pen testing web applications and SaaS platforms used by his company. While testing, he found a vulnerability that allows hackers to gain unauthorized access to API objects and perform actions such as view, update, and delete sensitive data of the company. What is the API vulnerability revealed in the above scenario?

  • ANo ABAC validation (correct answer)
  • BBusiness logic flaws
  • CImproper use of CORS
  • DCode injections
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: No ABAC validation This option keeps traffic private / properly secured as required.

Topic 1 · Question 289

During a cybersecurity operation, a CEH professional discovered an unknown Bluetooth Low Energy (BLE) device actively transmitting pairing signals. The professional decided to breach the BLE device using a crackle. The device was seen pairing and exchanging keys, leading to the establishment of a secure connection. However, the professional only managed to capture LL_ENC_REQ and LL_ENC_RSP packets, but not the Long-Term Key (LTK). Which of the following best describes the professional’s next course of action?

  • AUse Btlejacking to hijack the connection.
  • BDecrypt the pcap data using the -o option. (correct answer)
  • CUse the BlueZ tool hcitool inq to reveal more information about the device.
  • DThe operation cannot continue without the LTK.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Decrypt the pcap data using the -o option. This option keeps traffic private / properly secured as required.

Topic 1 · Question 290

A logistics company recently found that some of its fleet vehicles equipped with smart locking systems were compromised, leading to vehicle thefts. The cybersecurity team suspects that attackers captured unique signals emitted by the key fobs during regular usage. To effectively confirm and prevent this attack in the future, what should the security team prioritize?

  • AImplement a secure firmware update on each vehicle’s onboard control system.
  • BIncrease physical surveillance around vehicle parking areas.
  • CDeploy anti-malware systems on all company smartphones associated with vehicles.
  • DMonitor wireless signals for abnormal jamming or interference. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Monitor wireless signals for abnormal jamming or interference. This option keeps traffic private / properly secured as required.

Topic 1 · Question 291

In a healthcare organization, the network security team detects unusual network activity, indicating advanced sniffing techniques used by a potential attacker. Upon investigation, it’s found that the attacker exploits vulnerabilities in medical imaging protocols to intercept patient data. The security team must identify the specific sniffing technique being used and take action to protect patient privacy. Considering the scenario, which sophisticated sniffing technique poses the greatest challenge for the security team, potentially compromising patient data security?

  • AInjecting malicious code into ultrasound machine software to capture patient records.
  • BCreating a covert channel within hospital administrative messages for data exfiltration.
  • CManipulating radiology report formats to embed patient data within CT scan images.
  • DExploiting MRI machine firmware vulnerabilities to intercept real-time patient scans. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Exploiting MRI machine firmware vulnerabilities to intercept real-time patient scans. This option keeps traffic private / properly secured as required.

Topic 1 · Question 292

Following an attack on its mobile infrastructure, an e-commerce company is reconsidering its mobile security strategies. In an event where an attacker has been able to gain partial root access to the mobile application, which of these tactics will offer the most effective barrier to additional exploitation?

  • AConducting regular vulnerability assessments and penetration testing on the mobile application.
  • BLeveraging secure coding practices and automated code review processes in the development stage.
  • CImplementation of certificate pinning to protect against Man-In-The-Middle (MITM) attacks.
  • DImplementing a mobile application management solution to control access rights and user permissions. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Implementing a mobile application management solution to control access rights and user permissions. This option keeps traffic private / properly secured as required.

Topic 1 · Question 293

You work as a network security officer for a large corporation. Recently, you’ve noticed that certain confidential files are being accessed by unauthorized users within the network. You suspect that a Man-in-the- Middle (MitM) attack is being carried out. Which of the following network activities would help you confirm this?

  • AA sudden increase in network traffic.
  • BMultiple login attempts from the same IP address.
  • CDetection of abnormal amounts of DNS requests.
  • DIP addresses being resolved to multiple MAC addresses. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: IP addresses being resolved to multiple MAC addresses. This option keeps traffic private / properly secured as required.

Topic 1 · Question 294

An ethical hacker is auditing a hospital’s wireless network, which is currently secured with WPA encryption using TKIP. The hacker successfully demonstrates packet-injection and decryption attacks on the network. Which vulnerability in WPA most likely allowed these attacks to succeed?

  • ALack of AES-based encryption. (correct answer)
  • BPredictable group temporal key (GTK).
  • CUse of weak Initialization Vectors (IV).
  • DDependence on weak passwords.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Lack of AES-based encryption.

Explanation

Encryption protects confidentiality by making data unreadable without the appropriate key. This option keeps traffic private / properly secured as required.

Topic 1 · Question 295

As a cybersecurity analyst at XYZ Corp., you’re examining system logs and notice an array of activities that suggest the presence of an elusive rootkit. Given the stealthy nature of rootkits, their detection and eradication are pivotal to maintaining system security and preventing data compromise. Assessing the system, you find the rootkit has been embedded deeply within the operating system kernel. In this critical situation, which strategy should you follow to remediate the rootkit effectively while minimizing potential damage?

  • ATake the extreme measure of initiating a complete system format, followed by reinstalling the operating system from a trusted source. (correct answer)
  • BImmediately opt for the radical approach, which includes powering down the system and disconnecting it from the network, to cease the rootkit’s activities.
  • CEmploy a systematic, multi-layered strategy, starting with the deployment of a specialized rootkit detection tool to verify the presence and type of rootkit, followed by an appropriately tailored removal procedure, specific to the identified rootkit.
  • DImplement a proactive defensive strategy by running a variety of high-interaction honeypots on the network, aiming to lure the attacker and reveal their tactics.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Take the extreme measure of initiating a complete system format, followed by reinstalling the operating system from a trusted source. This option keeps traffic private / properly secured as required.

Topic 1 · Question 296

During a red team exercise, a certified ethical hacker (CEH) is working on exploiting a potential vulnerability in the target’s web server. The CEH has completed the information gathering and footprinting stages and mirrored the website for offline analysis. They have also discovered the server is prone to session hijacking. Which next step is most likely to be part of a successful attack methodology, keeping in mind the requirement to minimize the possibility of detection?

  • APerform vulnerability scanning with automated tools to find additional weaknesses.
  • BHijack a session and immediately modify server configuration files. (correct answer)
  • CAttempt SQL Injection to extract database information.
  • DDirectly apply brute force attack to crack the server’s password.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Hijack a session and immediately modify server configuration files.

Topic 1 · Question 297

You’re a security analyst conducting a foot printing exercise for a new client to uncover as much information as possible without direct interaction. Your preliminary investigation using search engines and public databases has provided a significant amount of data about the organization's online presence. You are now considering using Google Hacking techniques to find further vulnerabilities. Which of the following could best justify this decision?

  • AGoogle Hacking can assist in mapping out the client’s internal network structure.
  • BGoogle Hacking can help identify weaknesses in the client’s website code.
  • CGoogle Hacking can help locate potential phishing sites that mimic the client’s website. (correct answer)
  • DGoogle Hacking can help discover hidden organizational data from the Deep Web.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Google Hacking can help locate potential phishing sites that mimic the client’s website.

Explanation

Phishing uses deceptive communication to obtain credentials, money, or execution of malicious content. This option keeps traffic private / properly secured as required.

Topic 1 · Question 298

A multinational corporation relies heavily on remote access for its employees to connect to internal systems and resources. Recently, there have been reports of unauthorized access to sensitive company data, leading to concerns about potential session hijacking attacks. The security team is tasked with identifying the specific techniques used by attackers and implementing measures to enhance session security. Considering the scenario described, which advanced session hijacking technique, resembling a scenario-based attack, poses the greatest challenge for the security team to detect and mitigate effectively, potentially compromising the confidentiality of corporate data?

  • ABrute-Force Session Guessing Exploiting Weak Session ID Generation Algorithms
  • BARP Spoofing Attack Redirecting Traffic to Capture Session Data on Local Networks
  • CCookie Poisoning Attack Manipulating Session Cookies to Impersonate Authorized Users (correct answer)
  • DSession Sidejacking Intercepting Unencrypted Session Tokens over Public Wi-Fi Networks
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Cookie Poisoning Attack Manipulating Session Cookies to Impersonate Authorized Users

Explanation

Network address translation maps addresses between networks and commonly lets private hosts share public connectivity. This option keeps traffic private / properly secured as required.

Topic 1 · Question 299

In an enterprise environment, the network security team is alerted to unusual network behavior suggestive of advanced sniffing techniques being employed by a potential attacker. Upon closer examination, it is discovered that the adversary is exploiting vulnerabilities in legacy protocols to intercept sensitive communications. The security team must identify the specific sniffing technique being utilized and deploy effective countermeasures to protect critical assets. Amidst the advanced sniffing activities observed in the enterprise network, which intricate technique poses the most formidable challenge for the security team to detect and neutralize effectively, potentially compromising the confidentiality of proprietary information?

  • ACovert Channel Establishment through Modbus Protocol Manipulation
  • BCovert Data Interception via X.25 Packet Fragmentation (correct answer)
  • CEncrypted Data Extraction via HTTP Header Field Overflows
  • DSteganographic Payload Embedding within SMTP Email Headers
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Covert Data Interception via X.25 Packet Fragmentation This option keeps traffic private / properly secured as required.

Topic 1 · Question 300

A penetration tester is hired by a company to assess its vulnerability to social engineering attacks targeting its IT department. The tester decides to use a sophisticated pretext involving technical jargon and insider information to deceive employees into revealing their network credentials. What is the most effective social engineering technique the tester should employ to maximize the chances of obtaining valid credentials without raising suspicion?

  • ACreate a convincing fake IT support portal that mimics the company’s internal systems
  • BSend a generic phishing email with a malicious attachment to multiple employees
  • CVisit the office in person as a maintenance worker to gain physical access to terminals
  • DConduct a phone call posing as a high-level executive requesting urgent password resets (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Conduct a phone call posing as a high-level executive requesting urgent password resets

Showing questions 281300 of 308 · Page 15 of 16