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• Scan your computer for malware. Malware is a type of software that is designed to harm your computer. Key loggers are often classified as malware. You can scan your computer for malware using an antivirus or anti-malware program.

• Change your passwords. If you think you may have been infected with a key logger, you should change your passwords immediately. This includes your passwords for your email, bank accounts, social media accounts, and any other online accounts you use.

• Be careful what you click on. Key loggers can often be installed on your computer by clicking on a malicious link or email attachment. Be careful what you click on, and only download files from trusted sources.

What is the difference between black box testing and white box testing?

Black box testing and white box testing are two different types of software testing.

• Black box testing is a type of testing where the tester does not have any knowledge of the internal workings of the software. The tester only knows the inputs and outputs of the software, and they are responsible for testing the software to make sure that it works as expected.

• White box testing is a type of testing where the tester has a deep understanding of the internal workings of the software. The tester is able to test the software at the code level, and they are responsible for making sure that the software is written correctly and that it meets all of the requirements.

What can you do to prevent a port scan?

A port scan is a type of network attack where an attacker tries to identify open ports on a computer or network. Once an attacker knows which ports are open, they can try to exploit vulnerabilities in those ports to gain access to the computer or network.

There are a few different things you can do to prevent a port scan:

• Use a firewall. A firewall is a network security device that can be used to block incoming traffic to certain ports.

• Use a network intrusion detection system (NIDS). A NIDS is a network security device that can monitor network traffic for suspicious activity, including port scans.

• Keep your software up to date. Software vendors often release updates to fix security vulnerabilities. By keeping your software up to date, you can help to protect your computer from known vulnerabilities.

• Be careful what you connect to. Only connect to networks that you trust. If you are not sure whether to trust a network, you should not connect to it.

I hope this information is helpful. Please let me know if you have any other questions.