Keylogger is a type of monitoring software developed to record keystrokes made by a user. One of the oldest cyber threats is Keylogger, which records the information you type into a website or application and sends it back to a third party.
Cyber Criminals use these keyloggers to steal personal or financial data such as banking details, which they can then sell or use for making a profit. However, they also have fair uses within businesses to troubleshoot, enhance user experience, or monitor employees. Law enforcement and intelligence agencies also use keyloggers for supervision purposes.
1. Use One-time Passwords or Two-step Authorization
One-time passwords can be a helpful solution, as the passwords become null as soon as they are used. So even if a keylogger is on your system, the intercepted password becomes useless after the session is over. This effectively protects your private data.
Since the generated code or password gets invalid after using once, this also protects your sensitive data, similarly to one-time passwords. This method will not work if the attacker has remote control access to your computer and makes invalid transactions when you are established to be a valid user.
2. Automatic Form Filler Programs
You can use programs that fill in your data automatically without requiring you to type in the data. The keylogger cannot detect any data since you don’t have to type it in manually. However, anyone with physical access to the computer can install malicious software to record this data. The data can be recorded directly from the operating system or while the information is in transit on the network.
3. On-screen Keyboards
Though not a very popular method but still helpful, on-screen keyboards can help protect against keyloggers that are logging keystrokes from the physical keyboard. However, keyloggers can take screenshots of the screen while you are entering your data. This can end up revealing your credentials to the attacker and getting breached. Also, on-screen keyboards were only designed as a utility for accessibility and not to protect you against cyber threats. On-screen keyboards must be designed and implemented differently if used against keyloggers.
4. Speech Recognition
Instead of typing your credentials, you can use speech-to-text conversion software and speak out your credentials. The keylogger will not log anything as no typing or mouse clicks occur. The weakest point in this method is how the software sends the recognized voice to the system. The data can get intercepted if the process is not secure.
5. Network Monitors
Network Monitors (also called reverse-firewalls) alert whenever a program attempts to make a network connection. This can allow you to verify the legitimacy of the connection requested by the program and prevent any keyloggers from sending your typed credentials to another computer.
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