Ethical Hacker Interview Questions

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Certified Ethical Hacker Interview Questions

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Last Updated: March 23, 2018

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Q. Why securing data is important according to you?
The fact is a data is the base of any business. It contains information regarding the useful decisions and future strategies. In addition to this, it defines the various professionals in an organization and their specificity. Moreover,  the strength and weakness of a business lie within their very owned data. The data security matters a lot because of this leading reason.

Q. What exactly do you know about data encryption and what do you think it can be beneficial for the certified ethical hackers?
Although encryption seems a basic step of securing an organization’s data, it is one of the major things that can secure the data of an organization. It is basically a process of converting the original form of a data into an untrue copy of same so that it appears totally useless to the hackers. Generally, when the data is very sensitive this measure is taken by the organizations. The certified ethical hackers can simply proceed with this in order to assure better security to the data. 

Q. Do you support the fact that certified professional hackers have to work hard in order to grab the data of competitors?
No, this is not true. The job of a professional is to assure security to the network and data of an organization he/she is working with. They don’t work to grab the data for other organizations.

Q. What is the other name of Grey Box Hackers?
They are also known as Cyber Warriors. 

Q. Explain Ethical hacking in your own words?
It is basically an approach to hack a computer system or a network with the appropriate permission from the governing authority. Its main aim is to find the various cons associated with the same so that they can be avoided in the future. 

Q. Can you tell what will remain the final step for the ethical hackers while performing their task?
Well, the last step in most of the procedures is known as Stack Fingerprinting. It is taken just before the actual Fingerprinting

Q. What does MAC address mean according to you? How it is different from that of IP address
It stands for Machine Access control and is basically defined as the serial number that is assigned to a network interface. For every network interface, the MAC address is unique. It is only regarded as the physical mailbox of a user and only the network router is allowed to identify it. If the network card is replaced, it can be changed. On the other side, the IP address is the serial number assigned to every device on a network. It mainly represents its physical identity and enables users to track it on the global network. Just like MAC address, it is also unique for every device. 

Q. What do you mean by the term enumeration?
It is basically a procedure in ethical hacking which enables the hackers to identify the domain names in a very easy manner. The network blocks are also targeted in most of the cases.

Q. What do you mean by the term Phishing in the Ethical Hacking? Can you name another technique which is similar to that?
Phishing is basically one of the very common procedures and approaches that are used by the hackers. In this method, the users are sent the infected or malicious e-mails with the aim of grabbing their information. The information can also be stolen from a website. Baiting is another approach which is similar to the Phishing. 

Q. Are you familiar with the common tools which most ethical hackers make use of?
These are NAMP, Meta Sploit, Maltego, Wire Shark and John the Ripper. 

Q. What is the difference between the White hat hackers and the Black hat hackers?
The white hat hackers are those who are professional in hacking and have to work under the boundations and guidelines defined by the concerned organizations. They don’t steal information from other businesses. In fact, their prime job is to fail every attempt of black hat hackers. On the other side, the Black hat hackers are those who try to steal the information from the network. The black hat hacking is illegal and is not support in most of the countries across the globe. It is actually a violation of laws of networking. 

Q. Do you know what exactly is Brute Force hacking?
It is basically a procedure that is adopted by the hackers for stealing the username and passwords to govern the control on the systems. It is basically a procedure that is based on Javascripts. It is because of no other reason than this it consume time and is difficult too. Only hackers with great skills in their domains can keep up the pace with the same. Generally, a common tool known as Hydra is used in this approach by most of the hackers. 

Q. Explain the concept of footprinting and its significance
Ethical hackers generally have to gain access into a network. The concept of footprinting is nothing but grabbing more and more information about the network prior to accessing the same. This lets them perform their task easily and there is always a lot of them that they need to explore. Generally, this approach is adopted in hacking procedures which are not generally recommended. 

Q. Name the protocol used for spying the IP address of a machine?
Well, it is done through the ICMP i.e. Internet Control Message Protocol. 

Q. What do you call the method of spying the IP address of a network node?
It is called as scanning and it is sometimes an important part of the footprinting. A lot of hackers make sure of this approach.

Q. Can you explain Denial of Service attack and a few of its common types?
The networks are often made flooded with the traffic that is fake and is generally useless. It is not always necessary that it steal any information but it put the financial burden and creates other issues for the webmasters. It can be defined as a malicious attack. The SYN attack, Smurf Attack, Viruses, Teardrop attack, as well as Buffer Overflow Attacks are some of the common types of the same. 

Q. What exactly do you know about the concept of Network Sniffing?
Network sniffing is basically a procedure that is useful for stealing the information from a network as well as for securing the same network too. It actually keeps a close eye on the data flowing on a node. The users are free to monitor all the packets and can thus find the problems within the network which are related to the data. Because with the similar procedure the information can also be accessed in an unauthorized manner as well, it can also be used for illegal hacking.

Q. What do you mean by the Address resolution protocol spoofing?
It is basically a hacking procedure in which a hacker generally grabs the control over the MAC address and can sometimes even change the same. This is done to steal information and the data that is sensitive. Although this approach is rare, a lot of hackers are aware of the same. It is also defined as one of the very basic hacking procedures. Because technology these days has become so powerful, this approach has not been adopted if the network security policies are strict. 

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Q. Define Packet Filtering?
The data packets can be affected with the fake information or the information in them might be replaced with the one that is not real. Filtering is basically a technique make sure that the packets have same data as they were assigned during their transmission. The data is actually matched with the source and the deficiencies are blocked and removed. The data filtering simply avoids a very large number of hacking techniques. 

Q. Who is hacker?
A hacker is an intelligent individual with excellent programming skills, and who would have the ability to create and explore computer software.

Q. What do you mean Ethical Hacker?
Ethical Hacker is a person who is networking expert attempts to penetrate through security holes on behalf of its owners for finding security vulnerabilities.

Q. Define footprinting ?
Foot printing - Uncovers and collects possible data about a target network.

Q. What is SNMP( Simple Network Management Protocol ) ?
The Simple network management program can be defined as a simple TCP/IP protocol used for remote monitoring and managing hosts, routers and other such devices on the network.

Q. What is MIB ( Management Information Base )?
It is a database (virtual) that contains information about all the network objects that are their in the SNMP. This data base in hierarchic and all the objects contained in it are addressed by object identifier.

Q. What is LDAP ( Lightweight Directory Access Protocol)?
It is a protocol that is used for getting access to the directory listing in the present active directory or also from the other directory services.

Q. Can organizations depend on the protocols that rely on the trust than the network security?
No. the information following such an approach can always put the entire data and the network on the risk. Although there are policies and protocols that depends on the trust, one must make sure that the overall dependency on the trust when it comes to protocols should be as low as possible. 

Q. How can information be stolen through Mac flooding? What is the basic fundamental of avoiding this problem?
It is basically an approach in which a hacker apply confuse a switch with a hub. In this procedure, a very large number of frames are delivered to the switch and this makes it pass all the frames to all the ports. The hackers can take advantage of this and can send their untrusted frame in the network and can simply steal the data. To avoid this issue, a limited can simply be imposed on the overall capacity of the switch. 

Q. What are the types of cross-site scripting?
It is of three types and they are Persistent, Server side as well as Non-persistent

Q. What do you know about the Burp Suite and the tools which are a part of the same?
It is basically an approach that is considered as a powerful one by the hackers when it comes to attacking the web applications. It is quite similar to that of handling the framework of HTTP request. A lot of tasks such as logging, altering as well as upstream proxies can be performed through it. There are a lot of important tools which are a part of this and a few of them are Spider, Comparer, Decoder, Scanner, Sequencer, as well as Intruder.

Q. What do you know about the Keylogger Trojan?
It is basically a malicious software application that is used for monitoring the keystroke and logging the same into a document which is further delivered to the hackers. The hackers can be anywhere on a remote location. It starts recording the keystroke whenever there is a favorable behavior is seen. 

Q. Tell something about the web defacement?
It is basically a procedure in which the hackers usually replace the actual website or a webpage with a different one that seems similar to the same. The users generally don’t come to know that the information they are providing is directly accessible to the hackers. 

Q. What actions can be taken by a web administrator for stopping his website from being hacked? 
The very first step to take is validating and sanitizing the user parameters. This is really very important to avoid various issues. Next is to make sure that the Firewall is always turned ON. All the traffic from the IP address which is suspicious can be dropped if the same is enabled. Next thing to make sure is encrypting the cookies. The Web owners also pay close attention to verifying and validating the input of the user. Next step to pay attention to is to make sure that the validating and sanitizing of header is another approach that web owners must pay attention to. 

Q. What do you know about the Management Information Base?
It is basically a virtual database that contains information about the network objects. It is possible to manage them all through the SNMP. All the objects present in the same can be used at the same time in case the need of same is felt. It needs more security and hacking of the same can bring some serious troubles for the organizations.

Q. What exactly is AttackSyllable?
It is basically an approach that is used for stealing the password from an account. There are several other similar techniques that hackers generally make use of.

Q. Name the second and third stage in the hacking procedure?
The second one is Privileges Executing and the third one is Applications Hiding

Q. What does CSRF abbreviate for?
It stands for Cross Site Request Forgery and is basically an attack that is quite commonly adopted by the hackers. 

Q. What is NTP?
This is protocol whose main function is to synchronize the clocks in the networked or connected computers.

Q. What are the types of hacking stages?
1. Gain access
2. Getting privilages
3. Executing applications
4. Hiding the files
5. Covering the tracks

Q. Types of password cracking techniques?
1. Dictionary attacks
2. Brute Forcing Attacks
3. Hybrid Attack
4. Syllable Attack
5. Rule – based Attack

Q. Name the Ethical hackers common tools?

  • Meta Sploit
  • Wire Shark
  • NMAP
  • Maltego

Q. How many kinds of hackers avail?

Thaere are 7 kinds of hackers:

  1. Script Kiddie
  2. White Hat
  3. Black Hat
  4. Gray Hat
  5. Green Hat
  6. Red Hat
  7. Blue Hat
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