You can use a website that is not secure, but it is not advisable. When you visit a website that is not secure, your data is transmitted over the internet without encryption. This means that anyone who is monitoring the network traffic could potentially steal your data, such as your passwords, credit card numbers, or other personal information. If you must use a website that is not secure, there are a few things you can do to protect yourself: Do not enter any sensitive information, such as passwords or credit card numbers, on the website. Use a virtual private network (VPN) to encrypt your traffic. Keep your antivirus software up to date. Be careful about what links you click on.