eWatermark - Digital Watermark - They provide a technique for protecting the copyrights of digital content that enables everyone, from professionals to general users, to easily protect their copyrights without having to perform complicated procedures. They provide a technique for authenticating digital content. This enables communications requiring authentication to be conducted easily. Their products are designed for those content holders, such as Webmasters, creators, and photographers, who want to protect their copyrights online. They consider these people professionals who know their tasks on the Web. In this Web site, they introduce their technology and products, and demonstrate how their products are different from others on the market. This has been added to Security Resources 2005 Internet MiniGuide.