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SQThreat Modelling & Architecture Review
STRIDE-based threat identification across trust boundaries, attack paths, data flows and API surfaces — engineering-ready, risk-prioritised findings.
Security Engineering
Application Security & DevSecOps
Build secure. Ship faster. Stay ahead of the threat.
Threat ModellingSAST / DAST / SCADevSecOpsASPM
Why it matters
The business case for application security
Applications are now the primary attack surface. Security built in from the start reduces cost, risk and delivery friction.
- Shift security left — find flaws at design, not production
- Meet OWASP, NIS2, ISO 27001 & PCI DSS requirements
- Accelerate delivery without trading off security posture
80%+
of successful breaches exploit application-layer vulnerabilities
Veracode / OWASP31%
of breaches began with exploitation of a vulnerability — the most common way in
Verizon DBIR 20266×
more expensive to fix a flaw in production than at design stage
NIST SSDFWhat we do
How we help
End-to-end application security — from architecture-level threat modelling through to pipeline automation, testing and AI-powered posture management.
Application & API Security Testing
SAST, DAST, SCA and manual API testing aligned to the OWASP Top 10 and OWASP API Security Top 10 — coverage from code through runtime.
DevSecOps & Pipeline Security
Security gates, blocking criteria, SBOM generation, image signing, secrets detection and supply-chain controls embedded in your CI/CD.
AI-Augmented Security Posture (ASPM)
Continuous, AI-driven aggregation and prioritisation of findings across your application estate — surfacing real risk, not alert noise.
Our approach
Our methodology · typically 3–6 weeks
Week 1
Discover
Architecture review, technology inventory and threat model scoping.
- Application & API inventory
- Stack & dependency mapping
- CI/CD pipeline review
- Trust boundary identification
Weeks 2–3
Assess
STRIDE threat modelling, SAST/DAST/SCA and API testing.
- Threat modelling workshops
- SAST & SCA scanning
- DAST & API security testing
- OWASP / NIST SSDF gap analysis
Week 4
Remediate
Engineering-ready guidance, DevSecOps controls and pipeline gates.
- Prioritised risk register
- Developer-ready fix guidance
- Pipeline gate design
- Security champion enablement
Weeks 5–6
Validate
Gate enforcement, ASPM baseline and posture measurement.
- Pen test readiness brief
- Blocking gate activation
- ASPM baseline
- Executive presentation
Deliverables: Threat model report · Risk register · Remediation guidance · Pipeline security design · Executive readout
Standards & frameworks
Mapped to what your regulators and customers demand
OWASP Top 10Web application security risksAll web applications
OWASP API Top 10API security vulnerabilitiesAPIs & microservices
NIST SSDFSecure Software Development FrameworkAll software organisations
NIS2 Art. 21Network & Information Security DirectiveCritical infrastructure
ISO 27001 A.14System acquisition & developmentAll sectors
PCI DSS Req. 6Develop & maintain secure systemsPayments / financial
Pain points we address
Sound familiar?
Security testing too late in the SDLC
Most teams test after build. We help you shift left before it's expensive.
Developers lack security context
Without embedded knowledge, SAST alerts and threat model findings get deprioritised or ignored.
No blocking gates in the pipeline
Scanners in information-only mode give visibility but no enforcement — critical issues reach production.
API & dependency risk
Third-party libraries and external APIs introduce hidden attack surfaces that automated scans miss.
No posture visibility
Without ASPM there's no consolidated view of risk across your application estate.
Why SquareVertex.AI
What you get with us
Practitioner-led expertise
Our CTO has spoken at BlackHat, OWASP and DeepSec. Engagements are led by engineers who have built, broken and secured applications at scale.
STRIDE + OWASP methodology
Structured threat modelling combined with OWASP-aligned testing — not an automated scan with a report attached.
AI-augmented analysis
AI tooling accelerates threat modelling, pattern detection and posture analysis — deeper insights, faster.
Engineering-ready outputs
Findings structured for developers with fix guidance, code-level context and pipeline controls they can act on the same day.
DevSecOps-first approach
We embed gates, scanning, SBOM and controls into the pipelines your teams already use.
Free first step
Start with a free Application Security Health Check
In 45 minutes we'll review your application architecture, identify your top three security risks, and propose a focused next step.
The Application Security & DevSecOps suite
- AppSec Assessment & Strategy
- Threat Modelling & Architecture Review
- DevSecOps Pipeline Security
- Penetration Testing & API Security
- Application Security Posture (ASPM)
Partner offer · SquareVertex × Oligo
Add runtime context with Oligo Security
Oligo shows which open-source libraries your applications actually load and execute, and detects attacks against them as they happen. We deploy it and fold its findings into your AppSec backlog and SOC.
Partner offer · SquareVertex × Black Duck
Software supply chain security for the CRA and NIS2
With Black Duck we find the open-source and third-party components in your software, produce SBOMs, track their vulnerabilities and licences — and turn it into the evidence the Cyber Resilience Act and NIS2 expect.
Related services
Often combined with
Cloud Security & Architecture
Secure-by-design landing zones, CSPM, Kubernetes and workload protection across AWS, Azure and GCP.
Learn moreData Security & Privacy
Classification, DLP, PKI and key management, and a post-quantum cryptography roadmap.
Learn moreIdentity & Access Management
IAM maturity assessment and roadmap, MFA and passwordless, IGA, PAM and Zero Trust.
Learn more