If you are concerned about scans on your computer or network, here are some general tips to help you fight against them:Keep your software and operating system up to date with the latest security patches and updates. This can help protect your system from known vulnerabilities that could be exploited by attackers.Install and use a reputable antivirus software, and make sure it is always up to date. Antivirus software can help detect and prevent malware infections that could be used to scan your system or network.Use strong and unique passwords, and change them regularly. Avoid using the same password across multiple accounts, and consider using a password manager to help you keep track of your passwords.Be cautious when opening emails or clicking on links from unknown or suspicious sources. Phishing emails can be used to trick you into giving away sensitive information or downloading malware.Enable and configure a firewall on your computer and network. A firewall can help block unauthorized access to your system and prevent incoming scans.Consider using virtual private network (VPN) software to encrypt your internet traffic and help protect your privacy and security online.Regularly back up your important data and files to an external hard drive or cloud storage. This can help you recover your data in the event of a security breach or other disaster.These are just a few general tips to help protect yourself from scans and other security threats. If you suspect that your system has been compromised, seek help from a qualified IT professional or security expert.