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Software Development Company

Denim Group

Application security consultancy and maker of the ThreadFix platform, now part of Coalfire

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About Denim Group

Denim Group is an application security business that was acquired by Coalfire, a cybersecurity firm. Its work centred on helping organisations run application security programmes and build security into modern software development. The combined business describes around twenty years of cybersecurity experience.

What Denim Group offers

ThreadFix — a platform for tracking application vulnerabilities and speeding up their fixes.
AppSec programme consulting — advice on scaling an application security programme.
DevSecOps support — helping teams put their security resources to better use and release software faster.
Cybersecurity consulting — delivered through Coalfire's consulting services.

Who it works with

Coalfire says its clients include cloud infrastructure providers, SaaS providers and enterprises facing difficult security problems.

Key facts

Owner: Coalfire, which acquired the company
Product: ThreadFix

Profile written by TrustList from the business's own published information, Sep 2026.

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