A black hat hacker historically has been used to describe one who has malicious intent -- such as theft of information, fraud or disrupting systems -- but increasingly, more specific terms are being used to describe those people.

The black hat hackers make use of a variety of techniques to accomplish a perfect hack without permission. Some of the techniques are:

A set of programs that allow hackers to control the computer system and get connected to the internet is called a rootkit. Basically, the rootkit was a backdoor to the computer to fix certain software issues, but hackers are using rootkits to steal control of the operating system from legitimate users. The rootkits can be installed in several different ways in the victim’s system; one is social engineering and phishing attacks. The hacker can illegally gain access and control the system by stealing the information or turning off the system by installing the rootkits in the system.

Every key pressed on the keyboard can be recorded or logged using this specially designed tool called key logger. Every keystroke on the computer keyboard is recorded by clinging to the application programming interface by the key logger. Then the recorded file is saved, and the recorded file contains important data like usernames, the websites visited, etc. Suppose the personal details are being typed on the keyboard of the computer like credit card details, passwords, etc. The keylogger can capture them. Cybercriminals steal sensitive data by using keyloggers which arrive into the system as malware.

The weaknesses in the network, system, etc., can be identified using a vulnerability scanner. Ethical hackers use vulnerability scanners to find loopholes in the system and fix them. But black hat scanners misuse the vulnerability scanner to find out the system’s weak spots and exploit the system.

To exploit the data in the database, structured query language (SQL) is used. The type of cyber attack in which the databases are tricked through structured query language statements is SQL Injection Attack. A website interface is used to execute this kind of cyber-attack, and this is used to hack usernames, passwords, and database information. The applications that have poor coding are prone to SQL Injection Attacks because these websites contain user input fields that can be easily hacked by code manipulation.

The normal traffic to enter the server is distorted, resulting in a denial of service by a malicious attack known as distributed denial of service attack. It is a traffic jam that blocks the road and prevents the regular traffic from reaching their destination. The devices that can be easily connected to the network like computers, IoT devices, mobile phones, etc., are prone to distributed denial of service attacks.

It is too hard to even consider halting the dark cap hacking issue since dark cap hacking is worldwide. Law implementation faces many difficulties with respect to dark cap hacking on the grounds that the programmers leave no evidences and utilize clueless casualty's PCs. To shield ourselves from these programmers, we should be proactive, keep the firewall turned on, update great antivirus programming and introduce all working framework refreshes.

In this article, we will know about the Black Hat Hackers overview.

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