Ysense is a legitimate website that has been in operation for several years. It is owned and operated by the reputable company Prodege, LLC, which also operates other popular websites such as Swagbucks and MyPoints. However, as with any website that offers paid surveys and other opportunities to earn money online, it is important to be cautious and protect your personal information. Be sure to read the terms and conditions carefully before signing up and only provide personal information when it is necessary.