So you&rsquo;re up with the RESTful buzz but you&rsquo;re concerned about security; as you should be! So what do you do? Well, like all good OOP practitioners, you don&rsquo;t reinvent the wheel. As Steve Jobs said, &ldquo;Good artists create, Great artists Steal&rdquo;, or borrow in our case. So let&rsquo;s look at the Amazon S3 model and implement that with our framework of choice - Zend Framework to protect your RESTful services.