Sunday, July 26, 2020

Who is a Hacker? Learn the Definition and Several Types of Hackers.

A Hacker is an individual who is skilled in computer programs and uses their technical knowledge to finds and exploits the shortcoming in computer systems to gain unapproved access. There are various kinds of hackers in the cyber world, for example, white hat, black hat, and dim hat hacker.

A hacker may steal information, harm or bring down computer systems and networks. Be that as it may, a hacker can be anybody. They can be an individual or group.

Many organizations who recruit hackers as a piece of their employee. These hackers utilize their skills to find out helpless and shortcomings in the organization's security system. This is done to find and fix the shortcomings and forestall cyber danger from breaking in the security system.

Types of Hacker

A hacker is a skilled computer master who utilizes his technical ability to overcome a problem. There are various sorts of hackers in the cyber world, for example, white hat, black hat, and grey hat, based on their intent of hacking a system.

1. Black Hat Hackers

Black Hat hackers, otherwise called saltines are the individuals who endeavor to find computer security vulnerabilities and gain unapproved access into a system or network to exploit them for malicious reasons.

It is illegal as a result of its bad intent which includes steal or gain access to sensitive information, financial information, login credentials, disrupts the systems, disregards the privacy, shutting down the network system, and so on.

The expression "black hat hacker " is gotten from old Western motion pictures, in which the heroes wore white hats and the bad folks wore black hats.

Instructions to Prevent Black Hat Hackers

Hacking incidents are increasing step by step in the 21st century. Indeed, even you don't have the foggiest idea of how you're bad practices invite a hacker to access your computer system. Here are the tips for the prevention of Black hat hackers.

(A) Enter Personal Information on Secure Website

In case you're going to enter your sensitive or financial information in a site, first, you need to ensure that the site is secure by SSL (Secure Socket Layer) certificate.


  • Click on the lock and inspect the website's SSL certificate. In the event that the certificate and the URL don't coordinate, or if the certificate is expired, your information might be compromised.
  • On the off chance that you visit a site and you realize the site is legitimate and notice the site isn't secure, then your information might be likewise compromised


Along these lines, by ensuring site security then you can enter your information.

(B) Stay Up with the Latest

Keeping your internet browser up to date is important for both security and ensuring that site pages load properly. Outdated internet browsers can have genuine security problems, for example, phishing, viruses, trojans, spyware, adware, and other kinds of malware.

Notwithstanding, Security patches are discharged for popular browsers constantly. Its required a couple of minutes and update is accessible, simply download and install it.

(C) Expansion Flaw in Windows

There is an exceptionally perilous flaw in the Windows operating system which isn't settled at this point that you can't see the augmentation of a file without going to properties.

For instance, on the off chance that there is an image file, then you will just observe the name of that image. You can't see the expansion like JPG, PNG without going to properties.

Windows just read the last expansion of a file, for instance, if a file name is virus.exe which is hidden into a file name virus.exe.jpg then Windows will read it as a JPG file however, it is an EXE virus which can hack your computer.

Tip to Prevent: Go to control panel>File Explorer Option>View>Uncheck “Hide extensions for known file types”.

(D) Utilization of Bad USB

Bad USB is the greatest issue in the virus world. Bad USB can demolish your processor, hard plate, software's and can even consume your processor.

Antivirus can't identify it in light of the fact that because of held space in Pen drive, for instance, you have a 16 GB Pendrive then you realize that you will get storage around 14 GB.

As a matter of fact, that storage used to store system information, volume information, and some firmware that is utilized to run Pendrive.

Additionally think if there is malicious code in that held volume that can steal your sensitive data, annihilate your system by overloading.

Tip to Prevent: Thus, don't utilize anybody's Pendrive. On the off chance that you need to utilize a suspicious Pendrive, then use it in Linux, not in Windows

(E) Keylogging

Keylogger is a sort of spying technology or system monitor software that recording user keystrokes to steal passwords and other sensitive information. It can record instant messages, email, and catch some other information whenever using a keyboard.

A Keylogger installed on a computer system and it has the capacity to record each keystroke made on that system.

Tip to Prevent: There are various types of keyboards for Computers. The most widely recognized sort is a physical, external keyboard that plugs into your Computer. In any case, Windows has a worked in Simple entry tool called the On-Screen Keyboard (OSK) that can be utilized instead of a physical keyboard.

It is smarter to utilize an on-screen keyboard during entering basic passwords or OTPs.

The most effective method to open the On-Screen Keyboard: Go to Start, then select Settings  > Ease of Access  > Keyboard, and turn on the toggle under Use the On-Screen Keyboard.

(F) Phishing

Phishing is a kind of social engineering attack that endeavor to gain sensitive and private information, for example, usernames, passwords, credit card information, network credentials, and so more.

It is the normal and most seasoned route utilized by Black hat hackers to steal data.

In a phishing attack, an attacker sends phishing emails to victims in request to steal login credentials and account information.

Tip to Prevent: Check the main domain or email before accessing any website from an untrusted source.

For instance, on the off chance that there is a phishing site like Facebook, then the main domain won't be Facebook.com, it very well may resemble Facebook.abc.com.

2. White Hat Hackers

A white-hat hacker is a computer security master who uses hacking skills to breaks into protected systems and networks for infiltration testing and strengthens the security of your system.

White Hat hackers are otherwise called Ethical Hackers. They never intended to hurt a system, rather they attempt to find out shortcomings and vulnerabilities in a computer or a network system.

In addition, this sort of hackers isn't illegal and it is one of the demanding jobs accessible in the IT industry.

White hat hackers are paid employees or contractors working for organizations as security authorities that endeavor to find security gaps through hacking.

Most White Hat hackers hold an academic degree in IT security and must be confirmed to seek after a profession in hacking. The vast majority of them have a popular accreditation is the CEH (Confirmed Ethical Hacker) from the EC-Committee.

It is Note that some prestigious organizations like Facebook, Microsoft, and Google likewise utilize white-hat hackers.

3. Grey Hat Hackers

A grey hat hacker is somebody who may abuse ethical standards or principles, yet aside from the malicious intent, they exploit a security shortcoming in a computer system or network without the proprietor's permission or knowledge.

The essential objective of dim hat hackers is to improve the system and network security.

This sort of hacking is as yet considered illegal on the grounds that the hacker has not taken any permission from the system proprietor's to endeavor to filter their systems.

It is combining both black hat and white hat hackers. Their intent is to bring the shortcoming to the consideration of the proprietors and getting appreciation or a little blessing from the proprietors.

Other's Kinds of Hacker

There are likewise some other kinds of hacker in the digital world, which are as per the following:
  • Red Hat Hackers
  • Blue Hat Hackers
  • Green Hat Hackers
  • Elite Hackers
  • Script Kiddie

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