Is there any difference in security between using a public PC and your own computer?

The assertion that there is no difference in security between using a public PC and your own computer is misleading. In reality, public PCs are generally less secure, since they are often not maintained with the same level of security patches and updates as personal computers. Public computers may also have tracking software, malware, or keyloggers that can compromise security.

Using your own computer typically allows for a more controlled environment. You can regularly update your operating system, run antivirus software, and have better control over the security settings. This reduces the risks associated with using devices that are accessible to many users, such as public PCs, which may harbor vulnerabilities.

The other options emphasize an incorrect perception of public PCs' security; suggesting they are safer or more secure does not align with common security practices and the experiences of users who have encountered risks when using public devices. Ensuring that your personal computer is secure typically mitigates many risks associated with internet use that public computers cannot.