authorize.net credit card form

Hi, Our site uses the SIM method for [login to view URL] credit card ordering. But we need a better method to discourage fraud. We receive several fraudulent transactions per day that we have to manually void out. We are open to any suggestions that will solve our problem. Maybe a 3rd party cart or the AIM method. We only run 5-10 transactions per day. The site is [login to view URL] FYI: **Advanced Integration Method (AIM) Implementation Guide** [login to view URL] recommends Web merchants implement AIM, a highly secure, merchant-initiated server-to-server connection for submitting transactions to the payment gateway. AIM provides merchants with a high degree of control over each phase of the customer’s online transaction experience, including the payment form and receipt page. [View this guide (PDF)][1] * Employs industry standard secure data encryption technology ??" 128-bit Secure Sockets Layer (SSL) protocol. * Uses transaction key authentication for ultimate security. * Allows control over all phases of the customer’s online transaction experience. * Configurable transaction response integrates easily with merchant applications. **Certified Shopping Carts** Choosing an [login to view URL] certified shopping cart to connect to the payment gateway can be an ideal solution for merchants with minimal Web development resources or capabilities. Shopping carts are Internet companies that provide payment form solutions for merchant Web sites. See our [Certified Shopping Cart Directory][2]. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform linux server