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Top 30 IoT Penetration Testing Interview Questions and Answers

IoT Penetration Testing Interview Questions and Answers

Top 30 IoT Penetration Testing Interview Questions and Answers

At a worldwide level, cyber security has become a fast need of the hour to confirm the integrity of the datasets possessed by uncountable internet-based devices.  We also need some prominent Penetration Testing developers in order to secure our space in the current market filled by an overpopulated crowd of hacking professionals looking to hijack our datasets.

Moreover, Craw Security, the best penetration testing institute in India, offers top-notch pentesting training under the guidance of world-class instructors.

Are you thinking about giving an interview related to the pentesting domain?  No need to panic; Craw Security is there to give you a brief explanation related to the Top 30 IoT Penetration Testing Interview Questions and Answers.  Hence, give a sound concentration in the following Q&A session:

1: What is IoT Penetration testing?

Internet of Things (IoT) penetration testing is a form of safety testing that usually focuses on evaluating the security of IoT devices.  In addition, it is a procedure for evaluating the security of IoT systems through an effort to find and exploited flaws.   Exposing possible security flaws is intended to safeguard the system from malicious activity and to make sure that it is appropriately secured.

Moreover, IoT devices can be used to get into networks, steal info, and take control of systems; thus, this kind of testing is crucial for businesses that employ them in their businesses.

2: What are the different types of IoT attacks?

The different types of IoT attacks:

  • Denial of Service (DoS) Attack
  • Man-in-the-Middle (MitM) Attack
  • Malware Attack
  • Brute-Force Attack
  • Replay Attack
  • Eavesdropping Attack
  • Spoofing Attack

3: What is the OWASP IoT Top 10 and why is it important for IoT security?

The ten greatest security vulnerabilities related to the internet of things are listed in the OWASP IoT Top 10.  In addition, it was designed to assist organizations in comprehending the hazards linked devices pose, as well as offering advice on how to reduce such risks.

Moreover, it is crucial for IoT security since that offers a thorough overview of possible threats and vulnerabilities, assisting enterprises in recognizing and fixing security concerns.  Additionally, enterprises can increase the security of their IoT networks and devices by putting the suggested security measures into practice.

4: What is a penetration test methodology for IoT systems?

The penetration test methodology for IoT systems is as follows:

  • Planning
  • Reconnaissance
  • Network Scanning
  • Exploitation
  • Post-Exploitation Analysis
  • Reporting

5: What is the role of a penetration tester in IoT security?

A penetration tester’s job in IoT security is to assess the safety of an IoT system by looking for any possible flaws and figuring out how it might be broken into.  To take advantage of these weaknesses, they will employ a variety of tools and strategies, including network scanning, application testing, and others.

As a result, they can assist businesses in locating and fixing any issues using their IoT security infrastructure, assisting in securing their systems against intrusion.

6: What are the common vulnerabilities in IoT systems?

The common vulnerabilities in IoT systems are as follows:

  • Insecure Network Connections
  • Unsecured Devices
  • Lack of Security Updates
  • Poor Authentication
  • Lack of Access Control
  • Unsecured Data Storage
  • Insufficient Logging and Monitoring

7: What is a denial of service (DoS) attack on IoT devices?

Whenever an adversary conducts a Denial of Service (DoS) attack on an IoT device, they overload the system with several requests in an attempt to prevent it from reacting to valid ones.  Secondly, the intruder can employ malware to acquire networked devices and direct them to send out malicious traffic, adding to the system’s burden and interfering with services.

Moreover, this kind of assault can be used to cause chaos, steal information, or even physically harm IoT equipment.

8: What is a man-in-the-middle (MitM) attack on IoT devices?

A cyberattack known as a man-in-the-middle (MitM) attack on Internet of Things (IoT) devices involves the hacker discreetly intercepting and relaying information between two entities who assume they are directly speaking with one another.

Moreover, the intruder in this attack is capable of accessing private data, including passwords, credit card numbers, and other sensitive data.  In addition, the attacker can alter the transmission between two devices in addition to getting access to sensitive data, giving them the ability to seize control of one device or redirect the data to another malicious actor.

9: What is a replay attack on IoT devices?

A replay attack on Internet of Things (IoT) devices is a kind of cyberattack in which malevolent players intercept and capture conversations between two devices with the intention of replaying it later and gaining access to the system.

In addition, they might well be able to access networks, change or remove data, or even take ownership of the gadget using intercepted data.  Hence, this kind of attack is particularly risky because it can be challenging to identify because the bad material looks like valid information.

10: What is a wireless sniffing attack on IoT devices?

Whenever an intruder retrieves a device’s wireless data transmissions, it is known as a wireless sniffing attack against Internet of Things (IoT) devices.  In addition, that particular type of info can then be used by the intruder to access the device and either take over its operations or acquire private data.  Moreover, this can be done by the adversary via a number of techniques, including man-in-the-middle assaults, spoofing, or brute-force attacks.

11: What is a firmware analysis in IoT penetration testing?

In the IoT pen testing process, the practice of examining a device’s firmware to find any possible safety flaws or incorrect settings is highly known as firmware analysis.  Accessing the device’s internal dynamics usually entails reverse engineering the software.

In addition, a wide range of security concerns, such as poor authentication, unsafe communication, and unsafe data storage, might be uncovered by this kind of study.

12: What is a physical security assessment of IoT devices?

The practice of assessing the physical security controls of an IoT network in order to pinpoint any weak spots or flaws is known as an assessment of physical security for IoT devices.  In addition, it comprises locating and evaluating certain potential physical hazards to the system or its elements, including physical access to the gadget, tampering, and environmental harm.

Moreover, the evaluation also involves analyzing and putting into practice safety and security procedures for end-of-life devices, as well as physical security measures such as utilizing locks and tamper-proof coverings.

13: What is a web application security assessment of IoT devices?

A review of the safety of web-based apps that communicate with IoT devices is known as a web application security assessment of IoT devices.  In addition, it entails evaluating the security of the programs themselves as well as any connected networks, databases, and cloud services.

Moreover, a security flaw in the applications should be found during this examination, along with any possible dangers they may pose.  It must also offer suggestions for reducing such risks.  Hence, the evaluation needs to address security-related topics such as authentication, authorization, access control, encryption, data validation, session management, and others.

14: How to perform IoT penetration testing on embedded devices?

The prominent steps to perform IoT penetration testing on embedded devices are as follows:

  1. Gather Information
  2. Identify Vulnerabilities
  3. Exploit Vulnerabilities
  4. Test Security Controls
  5. Test Access Controls

15: How to perform IoT penetration testing on cloud-based systems?

By following the below-mentioned steps, IoT Penetration Testing on cloud-based systems can be accomplished:

  1. Perform Asset Discovery
  2. Perform Vulnerability Scanning
  3. Perform Exploit Testing
  4. Perform Network Security Auditing

16: How to perform IoT penetration testing on mobile apps?

With the following methodology, it is pretty easy to perform IoT penetration testing on mobile apps:

  1. Review the source code
  2. Scan for open ports
  3. Use fuzzing tools
  4. Simulate attack scenarios
  5. Perform code reviews

17: How to perform IoT penetration testing on networks?

By using the below-mentioned technique, IoT penetration testing on networks can nicely be performed:

  1. Identify IoT devices
  2. Analyze Network Protocols
  3. Test Network Perimeter
  4. Test IoT Devices
  5. Test Data Integrity

18: How to perform IoT penetration testing on wireless protocols?

Using the below-mentioned procedure, IoT penetration testing on wireless protocols can nicely be performed:

  1. Identify the target IoT device and analyze the communication protocols
  2. Scan the network
  3. Gather information
  4. Exploit known vulnerabilities
  5. Analyze the results

19: How to perform IoT penetration testing on IoT gateways?

IoT penetration testing on IoT gateways can be executed using the following techniques:

  1. Do a network and port analysis first.  Find all active services, open ports, and network hardware.
  2. Evaluate your vulnerabilities.  To find existing security flaws on the IoT gateway, use a vulnerability scanner.
  3. Examine the interactions and protocol between both the IoT gateway and other gadgets.  Search for any security flaws or potential vulnerabilities.
  4. Establish a honeypot system for tracking the network for suspicious activity.
  5. Examine the verification procedures and protection measures put in place on the gateway.
  6. To find any new weaknesses, conduct a penetration test.  Use a variety of tools and tactics to target the gateway.
  7. After your testing, evaluate their effectiveness and note any extra safety precautions that ought to be put in place.

20: How to perform IoT penetration testing on IoT platforms?

Follow the below-mentioned path in order to perform IoT penetration testing on IoT platforms:

  1. Identify and enumerate IoT devices on the platform
  2. Analyze the firmware of the IoT devices
  3. Identify Protocols and Services
  4. Conduct Vulnerability Scanning
  5. Perform Exploitation Process
  6. Analyze the results

21: How to perform IoT penetration testing on IoT databases?

Use the below methodology to carry out IoT penetration testing on IoT databases:

  1. Establish a baseline
  2. Identify attack vectors
  3. Perform vulnerability scanning
  4. Penetration testing
  5. Monitor for malicious activity
  6. Develop a remediation plan

22: How to perform IoT penetration testing on IoT communication protocols?

Check out the below procedure to execute IoT penetration testing on IoT communication protocols:

  • Analyze the protocol
  • Monitor the traffic
  • Test authentication methods
  • Test the encryption algorithms
  • Test for buffer overflows
  • Test for default passwords
  • Test for data tampering
  • Test for replay attacks
  • Test for malicious code injection

23: How to perform IoT penetration testing on IoT firmware?

To perform IoT penetration testing on IoT firmware, I can follow the following steps:

  1. Analyze the Firmware
  2. Reverse Engineer the Firmware
  3. Analyze Network Traffic and Communications
  4. Test Authentication and Authorization
  5. Test the Security of Applications and Services
  6. Test the Network Infrastructure
  7. Test Physical Security

24: How to perform IoT penetration testing on IoT web services?

I would do the certain following activities for executing the IoT Penetration Testing on IoT web services:

  1.  Perform reconnaissance
  2. Analyze the architecture
  3. Identify entry points
  4. Perform authentication and authorization testing
  5. Test for vulnerable components
  6. Perform configuration reviews
  7. Test for insecure data storage
  8. Perform penetration testing
  9. Perform post-exploitation testing
  10. Review the results

25: How to perform IoT penetration testing on IoT mobile apps?

With the following prominent methods, one can sincerely perform IoT Penetration Testing on IoT Mobile Apps:

  1. Identify the potential vulnerabilities
  2. Analyze the network traffic
  3. Test the authentication protocols
  4. Test for data leakage
  5. Check for malicious code injection
  6. Test for man-in-the-middle attacks

26: How to perform IoT penetration testing on IoT infrastructure?

The below-mentioned methodology will definitely assist you in performing IoT Penetration Testing on IoT infrastructure:

  1. Identify and analyze the attack surface
  2. Conduct a vulnerability assessment
  3. Develop an attack plan
  4. Execute the attack plan
  5. Analyze the results
  6. Report findings

27: How to perform IoT penetration testing on IoT security controls?

By adopting the following IoT penetration testing on IoT security controls, one can nicely perform it:

  1. Gather Information
  2. Identify Vulnerabilities
  3. Exploit Vulnerabilities
  4. Analyze Results
  5. Report Findings

28: How to perform IoT penetration testing on IoT devices in a blackbox or a whitebox approach?

There are distinguished methodologies employed for performing IoT penetration testing on IoT devices in a blackbox or a whitebox approach, such as the following:

Blackbox Approach

  1. Examine the device’s communication methods.
  2. Determine any gaps in the methods.
  3. Reconnaissance efforts should be carried out to find any open ports or active services on the device.
  4. Determine if the device has any authentication or authorization problems.
  5. To find any existing security flaws on the device, do a quick vulnerability scanning process.
  6. Employ fuzzing methods to find any hidden device vulnerabilities.
  7. Use social engineering tricks to get inside the system.

Whitebox Approach

  1. Look for security weaknesses in the device’s source code by analyzing it.
  2. Determine if the device has any authentication or authorization problems.
  3. To find any security flaws, analyze both static and dynamic code.
  4. Use fuzzing techniques to find any hidden device vulnerabilities.
  5. Verify the device’s usage of any shoddy encryption or hashing techniques.
  6. Do penetration testing to find any weaknesses that can be exploited.
  7. To find any potential flaws in the system, use simulated attacks.

29: How to report and communicate the results of IoT penetration testing?

Following is the esteemed methodology required to report and communicate the results of IoT penetration testing:

  1. Create a summary of the penetration testing’s outcomes and conclusions to start.   This ought to contain a summary of the test’s objectives, nature, methodology, tools, results, and any recommended mitigating actions.
  2. Provide a thorough report outlining the penetration testing’s methodology and findings.  Any possible vulnerabilities that have been found, the processes taken to find and manipulate them, and any relevant documentation should all be included here.
  3. Stakeholders should be given access to the results in an understandable manner.  An executive summary outlining the key conclusions and any advice for additional action ought to be a part of this.
  4. Share any possible dangers with the organization, along with any advice on how to mitigate them.
  5. Provide the business with a thorough collection of cybersecurity best practices and instructions for protecting their IoT network.
  6. Provide recommendations for the next safe and secure infrastructure design and penetration testing.

30: How to maintain and improve the security of IoT systems after a penetration test?

The high-end methodology to maintain and enhance the IoT system’s security after a thorough penetration test is as follows:

  1. Update Software and Firmware
  2. Create a Network Segmentation Plan
  3. Monitor Network Traffic
  4. Implement Strong Authentication
  5. Perform Regular Penetration Tests
  6. Deploy Security Solutions
  7. Deploy Security Solutions

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