The security of personal information shared on Bear411 is difficult to quantify. While the website appears to have various measures in place to protect user data, it's important that users take extra precautions when sharing sensitive information online, particularly when using a dating site. Users should be wary of revealing too much about themselves and can use features like private messaging or virtual phone numbers to remain anonymous. They should avoid clicking on suspicious links or downloading any unknown files. By following these simple steps, users can help ensure their personal information remains secure on Bear411 and other dating sites.