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Key logger, What Is It? And How Does It Work?



This is a brief tutorial on what a key logger is and how it works.

What is a Key logger?

A Key logger is a device that records keystrokes on a computer. This information can be used to track the user’s activity and spy on them. Key loggers can be forensic tools that can help investigators solve crimes.

How Does a Key logger Work?

Key loggers are USB devices that record your keyboard strokes, or other keystrokes that you make on your computer. They can be used for a variety of purposes, such as monitoring your child’s internet use or sniffing out confidential information that you don’t want others to know.

How does a key logger work?

A key logger captures keystrokes by recording the time and date that each key is pressed. This information is then stored on the device in a log file, which can be retrieved and reviewed at any time.

The Most Common Types of Key loggers

There are a few different types of Key loggers, and each has its own unique benefits.

  1. Software Key loggers: These programs are installed on your computer or phone, and they record all the keystrokes that you make. They can be used for spying on your activities, or to track your online activity.
  2. Hardware Key loggers: These devices attach to your keyboard or mouse, and they record all the keyboard and mouse clicks that you make. They can be used for spying on your activities, or to track your online activity.
  3. Remote Key loggers: These devices connect to the internet and send data back to a server. This means that someone else can access the data that is stored on the Key logger, even if you don’t have access to it yourself.
  4. Passwords Stolen through Key logging: If someone knows your password, they can log in to any account that you have access to, using that password. This includes accounts that you may not even know exist! If you use the same password for multiple accounts, then those accounts are at risk of being compromised through Key logging.


Prevention and Protection from Key loggers

Key loggers are devices that record all the keystrokes made on a computer. This information can be used to track the user’s activities throughout the day and extract personal data, such as login information, passwords, and financial information.

There are many different types of Key loggers, but the most common ones are software-based and hardware-based. Software-based Key loggers are installed on the victim’s computer without their knowledge or consent, while hardware-based Key loggers require the user to install them on their own machine in order to be effective.

The best way to protect you from Key loggers is to be aware of their existence and to take preventive measures.

  1. Use a strong password: The first step in protecting yourself from Key loggers is to use a strong password. This will make it difficult for criminals to access your personal information if they manage to get access to your computer.
  2. Keep your computer updated: Make sure that you keep your computer up-to-date with the latest security patches and software updates, as this will help protect you against vulnerabilities in the software that could be exploited by Key loggers.
  3. Use a firewall: If you use a computer in a public area, it is advisable to install a firewall to protect yourself against potential cyber-attacks.
  4. be careful when downloading software: Before you download any software, make sure that you read the reviews and check the security features of the program. Avoid downloading programs from unsecured sources, such as torrents.
  5. Keep your computer clean: Keep your computer clean and free of malware and spyware, as this will help protect against Key loggers.


A key logger is a device that records all the keystrokes that are made on a computer, laptop, or even smartphone. Most people use it for nefarious purposes like stealing passwords and credit card numbers, but there are also legitimate uses for a key logger, like monitoring your child’s internet usage. If you’re ever worried about someone snooping through your computer or tracking your online activity, make sure to install a key logger and keep an eye on the logs it produces!