As application inventories have become larger, more diverse, and increasingly complex, organizations have struggled to build application security testing programs that are effective and scalable. New technologies and methodologies promise to help streamline the Secure Development Lifecycle (SDLC), making processes more efficient and easing the burden of information overload.
In the realm of automated web application testing, today’s technologies fall into one of two categories, Static Application Security Testing (SAST) and Dynamic Application Security Testing (DAST). SAST analyzes application binaries or source code, detecting vulnerabilities by identifying insecure code paths without actually executing the program. In contrast, DAST detects vulnerabilities by conducting attacks against a running instance of the application, simulating the behavior of a live attacker. Most enterprises have incorporated at least one SAST or DAST technology; those with mature SDLCs may even use more than one of each.
In the past year or so, industry analysts and product vendors have become enamored with so-called “hybrid analysis” technologies. Hybrid techniques aim to correlate the results of SAST and DAST to dramatically expand dynamic coverage, prioritize the combined set of results, and reduce both false positives and false negatives. This whitepaper will examine each of these claims to give consumers technical insight into whether hybrid technologies can realistically live up to the hype.
Several observations will be described in the following sections:
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