Most reputable dating websites will take measures to protect user data by encrypting it so that only authorized personnel can access it when necessary (such as customer service representatives). It's also important to read through the terms & conditions before signing up - this should include details about how your personal information is handled by the site/app provider including what security protocols they use (if any) and whether you're able opt out at any time if needed. Additionally, some providers may require additional steps like two-factor authentication which adds another layer of protection against unauthorized access attempts into your account(s).