Location · Security Testing Company
Security Testing Company in San Francisco
San Francisco and the wider Bay Area remain the world's deepest market for AI-first software companies. Buyers are typically technical founders, CTOs, and engineering leaders who set the bar for senior offshore engagement — fast-cadence delivery, AI-assisted engineering, and architectural rigour are baseline expectations. Hashorn works as your security testing company for teams in San Francisco and across the United States. Threat modelling, code review, API and cloud security testing built into the same sprint that ships features.
UTC-8 gives San Francisco a 12.5-hour offset from India — daily overlap typically lands in San Francisco morning / India evening hours.
Local context
What the market looks like
Why our delivery model is shaped for buyers in this market.
Heavy concentration of AI-first startups and AI infrastructure companies.
Buyers expect AI-augmented workflows as a baseline, not a differentiator.
Premium on weekly demo cadence and senior-engineer ownership.
Who we work with
Typical buyers
Seed to Series C AI and B2B SaaS startups.
AI infrastructure and developer-tools companies scaling product engineering.
Agencies in the Bay Area serving fast-growth product startups.
What you get
As your security testing company
Threat modelling, code review, API and cloud security testing built into the same sprint that ships features.
Threat model and prioritised risk register
Code, API, web, mobile, and cloud testing
Severity-rated findings with reproductions and fixes
Re-test and release sign-off
SDLC recommendations baked into your sprint
Optional SAST/DAST tooling rollout
How we deliver
Our process
Senior engineers run the work. AI handles the scaffolding. Weekly demos keep things honest.
01
Threat model
Map the trust boundaries, sensitive assets, and the realistic attacker model for the product.
02
Test
Manual and tool-assisted testing — code review, API, web, mobile, cloud — to the OWASP and CIS baselines.
03
Report
Severity-rated findings with reproductions, fixes, and verification steps.
04
Retest
Re-test fixes, sign off the release, and roll learnings into your SDLC.
Stack
Tools and technologies
FAQ
Questions clients ask before we start.
Other services here
Nearby and related
Building in San Francisco? Let's talk.
Tell us what you're building, we'll tell you how we'd ship it.