Academics Information Technology

Computer Hackers: Explanation and Types

Computer Hackers

INTRODUCTION TO THE COMPUTER HACKERS

The developments in the information and communication technology have provided ease of performing business to the organization. However, developments in the given sector have led to developing different other types of issues. Hence, one of the common issues that is associated with cybercrime is hacking. In accordance with the given context, it can be said that hacking is being regarded as the activity of using computers with an aim to perform different types of crimes. The individual who used to perform such crimes is called by the name of hackers.

Thus, it can be said that hackers are the individual who has the ability to find fault or the issue in the computer system or the network. Thus, it is through this way only they tend to get an entry in the system of other people and use their data for their own benefit. In this study, detail analysis will be carried out on computer hackers.  

Computer Hacker
Computer Hacker

TYPES OF HACKERS

At first, the discussion will be carried out on the types of hackers. Herein, it can be depicted that there are basically three main types of hackers and the details about them are given below:

Black hat hacker

The very first type of hacker is being called by the name of a black hat hacker. It is being regarded as the type of hackers who tends to hack the computers for malicious intent. Such types of individual are being considered as the bad guy. Herein, it can be said that the respective type of individual uses his hacking skill with an aim to steal the data or the money. On the other hand, such type of hackers loves their work very much and they like to come in the news because of their bad habit. For example, black hat hackers sometimes change the font color of the company’s website. In addition to this, they also try to break the computer system and will try to get the credit card information of the individual in an effectual manner. Hence, respective hackers are being considered as very much dangerous for the company. They also carried out their efforts outside the company’s laws and regulations.

White hat hackers

The White hat hackers are basically the computer system specialist who basically breaks the protected system and the network in order to test the as well as assess their security. They use their skills with an aim to see improve the security of the system. In accordance with the given context, they basically get the data regarding different vulnerabilities that could pose harm to the computer system and could break the security of the network. Hence, it is very right to say that they are being proved as a very helpful individual for the companies. This is due to the reason that they basically give a description of the problems that could harm the system of the firm. Hence, it is through this way only firms can find out some protective measures with an aim to protect their data from the ineffective individuals or the black hat hackers. Further, it can also be said that they are also synonyms with the ethical hackers and thus they tend to play a vital role in introducing different strategies that could help in removing all the malicious attack related problem of the company in an effectual manner.      

Grey hat hackers

The last type of hacker is called by the name of grey hat hackers. It is also referred to as the computer security expert who sometimes violates the ethical standard as well as law, but it does not possess any kind of malicious intent just like the black hat hackers does. Additionally, it can also be said that grey hat hackers will basically engage itself in the type of practices which seems less than above any kind of board. However, it often performs its function for the common good in an effectual manner. In other words, it can also be depicted that grey hat hackers basically represent the middle ground between white and black hat hackers. The grey hat hackers also play a significant role in the security environment. The grey hat hackers will explore the vulnerability in the security and thus it will tend to give information about the same to the public and thus make them aware of the existence of vulnerabilities. Here, it will also give them guidance about the actions that they can perform with an aim to protect themselves from any kind of cyber attacks from the side of black hat hackers.   

MOTIVE BEHIND HACKING

Till now the major discussion is being carried out about the types of hackers and the meaning of the same. Now the discussion is being put forward towards the main motives behind the hacking. In accordance with the given context, there are different motives of hackers behind hacking is examined. The details of the same are given in the below points:

  • The primary motive behind hacking is to get financial gains. In this context, the hackers will lead to crack the computer system with an aim to get the credit details of the specific person. Thus, it is through this way only they tend to perform different types of financial fraud in an effectual manner.
  • The second motive behind hacking is to increase the reputation of the hackers in the hacking subculture. Here, by performing hacking and individual will tends to prove itself that it can perform a variety of tasks. Here, it is through this way only it will showcase its hacking-related skills to other individuals in an effectual manner.
  • The third motive behind hacking is to give assistance to the companies whose secret information is being lost. Thus, with the help of hackers companies can track the individual who has committed a respective type of work.

HOW HACKERS CAN ACCESS IN THE COMPUTER OF INDIVIDUAL

There are different ways examined which are being used by hackers in order to get access in the computer system of the individual. These are all detailed below;

  • Posting the emails that contain virus and malware: It is being regarded as one of the most popular methods for the purpose to spread the malware that is hidden in the attachment of the email. Once an individual will open the attachment, then in this condition malicious software automatically execute and will be downloaded in the computer system.
  • Posting the emails that are having a link to the malicious website: It is also being considered as second most common ways that are being used by the hackers in order to the hack the computer system of a company or the individual. In this context, the HTML link which is being attached with email leads an individual to some fake website. Here, trial and trick method is being used with an aim to get sensitive information about the person. The information could be related to a person’s bank details and password etc. On the other hand, many times these websites also attempt to install different virus and malware in the recipient of the computer system.
  • Social networking pages:  Yes, this is right hackers can also get access in the computer system of the individual with the help of different social networking sites like Facebook. Twitter and Instagram etc. In this context, hackers will tend to prepare some fake website and thus it will influence the individual to follow the malicious website and thus it is through this way only it will get the personal information about the person in an effectual manner.
  • Inserting malicious packets: The given thing basically relies on the access to the swathe of the zombie computers with an aim to send the large quantities of data to many people. The main aim here to identify the router and the firewall with the specific port to be open and it is through this way only access to the computers can be gained behind the firewalls.
  • Hacking ads: It can also be considered as one of a popular way which is being used by hackers in order to get access to the computer system in an effectual manner. Herein, it can be said that such type of things comes under the category of cyber-crimes. In this different ad that tends to possess malicious links are being posted on the legitimate website. The given thing is performed either by purchasing the ad directing or by hacking the ad account of some other individual.
  • Probing for the weakness: There are many situations in which hackers will tend to send the mass emails in order to compromise the firewall or intrusion the prevention system for the purpose to gain access to computer system behind the given defenses. It is basically a type of number game in which millions of email goes out to identify unpatched equipment.        

TYPES OF PASSWORD CRACKING TECHNIQUES USED BY HACKERS

Now we will improve our knowledge about the password cracking techniques that are being used by hackers. The given techniques will help in the process of fulfilling the aims and objectives of the hackers in an effectual manner. Hence, significant details in relation to the same are given below:

  • Dictionary attack: The given attack basically uses a simple file that contains words that will be found in the dictionary. Thus, it is a straightforward name. Here, in the respective attack, the attacker will basically use the kinds of words that are being used by many individuals in their password. It is through this way only it cleverly groups the different words together.
  • Brute force attack: It is being regarded as another type of password cracking technique. Just like the dictionary attack, it comes with the added bonus for the hackers. Here, instead of simply using the words, in the brute force attack non-dictionary words by being detected by following the alpha-numeric combination. On the other hand, it can also be shorthand by throwing the additional computer related horsepower.
  • Rainbow table attack: In the respective type of password cracking technique, a hacker can boil the rainbow table down in the list of the pre-computed hashes. Here, numerical values are being used for the purpose to do encryption of the password. The respective table will tend to possess hashes of all possible combinations of the password. On the other hand, the rainbow table is very much attractive as it will help in reducing the time that is being needed for the purpose to crack the password hashes. But, it is to be evaluated that the rainbow table is huge and it also has the unwieldy things. Further, they also require serious computing power to run.  
  • Phishing: It is being regarded as another most significant way which is being used by hackers in order to crack the password of the computer system. In this context, here an email will lead an individual towards some faked logged in services which are being formed by a hacker. Thus, it is the kind of trap which is being made by hackers in order to get the password and other related details of the people. It is through this way only hackers can perform different crimes such as stealing money from the account of individuals and molding the data of company etc.

Malware: Another most effective password cracking technique is malware. Here, key logger and screen scraper is being installed by malware which will make a record of each and everything that we write and take the screenshot during the login process. The copy of the same will be forwarded to the hacker central. Here, malware will basically look for the existence of the web browser client password file. Overall, it can be said that these are some major password cracking techniques which are being used by hackers to hack the system.

CONCLUSION

From the conducted analysis, it can be said that hacking is being regarded as one of the biggest crime in the field of information technology. However, hackers are the individual who used to perform a given type of crime. These people have the specialized skill which they tend to use in order to hack the system of the other individuals in an effectual manner. Further, there are different passwords hacking techniques which are being used by them in order to get access to the system of other people in an effectual way.  

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