We’ve just published a new Magic Quadrant for Dynamic Application Security Testing (DAST) for Gartner clients. In Gartner research, we use the term DAST to refer to testing solutions and techniques that are designed to test an application from the “outside in” to detect conditions indicative of a security vulnerability in an application in its running state.
DAST solutions have been around for years, so you’d might think the market is fairly static. Not at all. DAST solutions must and have evolved well beyond the security testing of back-end web applications. In order to dynamically test the next-generation of applications, new DAST capabilities are required and not all vendors support them equally.
Here are several areas where DAST solutions are evolving:
(1) Dynamic application security testing as a service. The market for dynamic testing as a service is growing and some of the DAST solutions we evaluated – Qualys, Veracode and WhiteHat – only offer their solution as a service. However, many organizations tell us they prefer to use a product and a service from the DAST vendor — for example, testing their more-sensitive applications on-premises using a DAST product, and testing their less-sensitive applications via DAST as a service, or testing deployed applications as a service, with testing of applications in the QA phase of the development process using on-premises DAST products.
(3) HTML5 More recently, interest has shifted to the use of HTML5 for RIA. HTML5 isn’t a single standard and the multiple standards that collectively represent HTML5 are at different levels of maturity and adoption. Testing HTML5 and keeping up with the fluid standards is an emerging requirement for all DAST solutions.
(5) Static application testing capabilities (SAST). For comprehensive application security testing, applications should be able to be tested from the “inside out” using static analysis and from the “outside in” using dynamic analysis. Several vendors now offer organizations both DAST and SAST solutions.
(6) Interactive Security Testing. Building on #5, some of the testing providers enable interaction between their static and dynamic security testing techniques. One of the most common ways is to instrument the application while it is being tested dynamically. This provides more detailed information (such as identifying the line of code where a vulnerability occurs and assessing the code coverage of testing). While this may not be suitable for production applications, this approach is quite useful in QA testing in order to provide more meaningful results to developers.
(7) Comprehensive fuzz testing. Some DAST solutions are designed specifically to expand well beyond Web protocols to include non-Web protocols (for example, remote procedure calls, Server Message Block, Session Initiation Protocol [SIP] and so on) as well as data input malformation. This is especially critical for the dynamic security testing of applications used within embedded devices, such as storage appliances, telecommunications and networking equipment, directories, automated teller machines, medical devices and so on.
(8) Testing mobile and Cloud-based applications. Ideally mobile applications would be tested with SAST and DAST; however, pure DAST testing can add value. Beyond the use of RIA and HTML5 discussed previously, most Android and iOS applications (even when written as native applications) are Web-like in nature and communicate over Web or RESTful HTTP-based protocols. At a minimum, the exposed interfaces of the applications should be testable using DAST. Many of the mobile applications communicate with cloud-based applications on the back end, which must also be tested. In addition, many applications have specific code paths for supporting mobile devices. In order to test these properly, DAST solutions must emulate a number of mobile browsers.
These are just a few examples of how the market for DAST solutions is anything but static. The market is evolving rapidly and requires that successful solutions here continue to adapt as well. If you haven’t evaluated DAST solutions in a while, it’s time to take another look.
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