Application Threat Modeling Services

There’s more to threat modeling than mapping a handful of threat categories to a data flow diagram. VerSprite models the threats that actually matter to your business — who would attack your application, how, and what it would cost you — using PASTA, the risk-centric methodology our CEO co-created. The result is a prioritized, evidence-based view of real attack paths, not a checklist of theoretical issues.

Application threat modeling is a structured process for identifying, analyzing, and prioritizing the security threats to an application before they can be exploited. It examines the application’s architecture, data flows, trust boundaries, and likely threat actors to determine which attacks are credible and what business impact they would cause. Done well, it shifts security left — surfacing risk during design and development rather than after deployment — and focuses remediation on the threats that matter most to the business.

VerSprite uses PASTA (Process for Attack Simulation and Threat Analysis), the risk-centric threat modeling methodology co-created by VerSprite CEO Tony UcedaVélez and Marco M. Morana, and documented in their book Risk Centric Threat Modeling: Process for Attack Simulation and Threat Analysis (Wiley, 2015). PASTA integrates business impact, inherent application risk, trust boundaries, correlated threats, and the attack patterns that exploit identified weaknesses.

Before PASTA, most application threat models didn’t seriously consider real-world threats. Threat-categorization mnemonics like STRIDE are useful for beginners, but product owners and their leadership need to know which threats are actually relevant to their business, product, and platform — and a fixed handful of categories rarely captures what adversaries are really planning. PASTA is evidence-based: VerSprite correlates real threats to your application’s attack surface, validates them through exploitation testing to confirm they’re probable, and ties viability to sustained business impact.

Stage 7 — Risk & Impact Analysis

Quantify the business risk of the validated threats and prioritize remediation — addressing countermeasures for non-accepted risks and providing remediation alternatives based on impact, likelihood, and cost of implementation.

PASTA Threat Modeling for Cybersecurity, a Threat Modeling Example