In this Ethical Hacking interview questions you have a list of the top questions asked for ethical hacking interview. Through this set of interview questions, you will learn what is symmetric and asymmetric encryption, ARP poisoning, footprinting, DOS attack, Cowpatty, comparing spoofing and phishing, network sniffing, stages of hacking, tools used for hacking, MAC flooding, SQL injection and more. Learn ethical hacking from Intellipaat Ethical Hacker Certification Course and fast-track your career.
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ARP poisoning is a type of network attack that can be resolved through these techniques:
Using Packet filtering: Packet filters can filter out & block packets with clashing source address data.
Keeping away from trust relationship: Organizations ought to develop a protocol that depends on trust relationship as little as they can.
Utilize ARP spoofing software: Some programs assess and certify information before it is transmitted and blocks any information that is spoofed.
Footprinting is nothing but accumulating and revealing as much as data about the target network before gaining access into any network.
Open Source Footprinting : It will search for the contact data of administrators that will be utilized for guessing password in Social Engineering
Network Enumeration : The hacker attempts to distinguish the domain names and the network blocks of the target network
Scanning : After the network is known, the second step is to spy the active IP addresses on the network. For distinguishing active IP addresses (ICMP) Internet Control Message Protocol is a functioning IP addresses
Stack Fingerprinting : the final stage of foot printing step can be performed, once the hosts and port have been mapped by examining the network, this is called Stack fingerprinting.
Denial of Service, is a malicious attack on network that is executed by flooding the system with useless traffic. Despite the fact that DOS does not cause any data breach or security breach, it can cost the site proprietor a lot of cash and time.
Pharming : In this strategy the attacker compromises the DNS (Domain Name System) servers or on the user PC with the goal that traffic is directed towards malicious site
Defacement : In this strategy the attacker replaces the firm’s site with an alternate page. It contains the hacker’s name, images and may even incorporate messages and background music.
Cowpattyis implemented on an offline dictionary attack against WPA/WPA2 networks utilizing PSK-based verification (e.g. WPA-Personal). Cowpatty can execute an enhanced attack if a recomputed PMK document is accessible for the SSID that is being assessed.
Network Enumeration is the revelation of hosts/gadgets on a network, they tend to utilize obvious disclosure protocols, for example, ICMP and SNMP to gather data, they may likewise check different ports on remote hosts for looking for surely known services trying to further recognize the function of a remote host.
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Phishing and spoofing are totally different beneath the surface. One downloads malware to your PC or network, and the other part tricks you into surrendering sensitive monetary data to a cyber-crook. Phishing is a technique for recovery, while spoofing is a method for delivery.
Most broadly utilized scripting language for Hackers is Python. Python has some very critical highlights that make it especially valuable for hacking, most importantly, it has some pre-assembled libraries that give some intense functionality.
An ethical hacker is a computer system and networking master who systematically endeavours to infiltrate a PC framework or network for the benefit of its owners to find security vulnerabilities that a malicious hacker could potentially exploit.
System sniffing includes utilizing sniffer tools that empower real- time monitoring and analysis of data streaming over PC systems. Sniffers can be utilized for various purposes, regardless of whether it’s to steal data or manage systems.
Network sniffing is utilized for ethical and unethical purposes. System administrators utilize these as system monitoring and analysis tool to analyse and avoid network related issues, for example, traffic bottlenecks. Cyber criminals utilize these devices for untrustworthy purposes, for example, character usurpation, email, delicate information hijacking etc.
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A firewall could be a device that allows/blocks traffic as per outlined set of rules. These are placed on the boundary of trusted and untrusted networks.
Data leak is nothing but data knowledge getting out of the organization in an unauthorized manner. Data will get leaked through numerous ways in which – emails, prints, laptops obtaining lost, unauthorized transfer of data to public portals, removable drives, pictures etc. There are varied controls which may be placed to make sure that the info doesn’t get leaked, many controls will be limiting upload on web websites, following an internal encryption answer, limiting the emails to the interior network, restriction on printing confidential data etc.
Hacking, or targeting on a machine, should have the following 5 phases :
Surveillance : This is the principal stage where the hacker endeavours to gather as much data as possible about the target
Scanning : This stage includes exploiting the data accumulated amid Surveillance stage and utilizing it to inspect the casualty. The hacker can utilize computerized devices amid the scanning stage which can incorporate port scanners, mappers and vulnerability scanners.
Getting access : This is where the real hacking happens. The hacker attempts to exploit data found amid the surveillance and Scanning stage to get access.
Access Maintenance : Once access is gained, hackers need to keep that access for future exploitation and assaults by securing their exclusive access with backdoors, rootkits and Trojans.
Covering tracks : Once hackers have possessed the capacity to pick up and maintain access, they cover their tracks and to keep away from getting detected. This likewise enables them to proceed with the utilization of the hacked framework and keep themselves away from legitimate activities.
There are several moral hacking tools out there within the marketing for different purposes, they are:
MAC Flooding is a kind of a technique wherever the protection of given network switch is compromised. In MAC flooding the hacker floods the switch with sizable amounts of frames, than what a switch can handle. This makes switch behaving as a hub and transmits all packetsto all the ports existing. Taking the advantage of this the attacker can attempt to send his packet within the network to steal the sensitive information.
By adapting following methodology you’ll be able to stop your web site from obtaining hacked
Burp Suite is an integrated platform used for attacking net applications. It contains all the tools a hacker would need for attacking any application. a number of these functionalities are
If the application doesn’t sanitize the user input then the SQL injection happens. Thus a malicious hacker would inject SQL question to gain unauthorized access and execute administration operations on the database. SQL injections may be classified as follows:
DOS attacks involve flooding servers, systems or networks with traffic to cause over-consumption of victim resources. This makes it troublesome or not possible for legitimate users to access or use targeted sites.
Common DOS attacks include:
It’s best, actually, to master all 5 of Python, C/C++, Java, Perl, and LISP. Besides being the foremost vital hacking languages, they represent totally different approaches to programming, and each of it can educate you in valuable ways.
A spoofing attack is when a malicious party impersonates another device or user on a network so as to launch attacks against network hosts, steal data, unfold malware or bypass access controls. Different Spoofing attacks are deployed by malicious parties to achieve this.
Passive reconnaissance is nothing but to gain info regarding targeted computers and networks while not actively participating with the systems. In active reconnaissance, in distinction, the attacker engages with the target system, usually conducting a port scan to find any open ports.
All networks across devices are assigned a number which is unique, which is termed as MAC or Machine Access Control address. This address may be a personal mail box on the net. The network router identifies it. the amount may be modified anytime.All devices get their distinctive information processing address so they can be located easily on a given laptop and network. Whoever is aware of your distinctive information processing address will contact you through it.
SSL is identity verification, not hard encryption. it’s designed to be able to prove that the person you’re engaging on the other side is who they say they are. SSL and TLS are each used by almost everyone online, however because of this it is a huge target and is mainly attacked through its implementation (The Heartbleed bug for example) and its far-famed methodology.
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