CISO Tribune

Company record · security vendor

Chainguard

The current Chief Information Security Officer (CISO) of Chainguard, as tracked by CISO Tribune, is Quincy Castro, whose appointment was announced in the week of July 28, 2025.

Tracked by the Wire since July 28, 2025 · 1 recorded move · every claim links to a sourced record

Security leadership timeline

What the company sells

Chainguard sells hardened, rebuilt-from-source versions of open-source software, including container images, language libraries, virtual machine images, OS packages, CI/CD actions, and AI agent skills, aimed at reducing the attack surface these components introduce. It is privately held and announced $280 million in growth financing in October 2025.

Headquarters
Not established from our sources
Founded
Not established from our sources
Ownership
Privately held

Products and services

  • Containers

    Minimal container images rebuilt from source, with a defined service-level agreement for vulnerability remediation.

  • Libraries

    A catalog of libraries curated to protect against software supply chain attacks.

  • VMs

    Virtual machine images rebuilt from source on a daily basis.

  • OS Packages

    Ingredients for custom container builds.

  • Actions

    CI/CD workflows configured by default for safer pipelines.

  • Agent Skills

    A continuously maintained catalog of hardened AI agent skills.

Sources

  1. ChainguardUndated page, accessed September 27, 2026 · Tier A: the company, a regulator or a filing
  2. Chainguard via PR NewswirePublished October 23, 2025 · Tier A: the company, a regulator or a filing

Recorded September 27, 2026 from the sources above. Descriptions are in our own words; we do not rank or recommend vendors, and no vendor pays to be listed or to change what we write. Disclosure: until the publisher confirms it has no business relationship with this company, treat one as possible (how the network works). Spot a factual error? Request a correction.

This record reflects moves verified and tracked by CISO Tribune; it begins in 2026 and is not a complete historical roster. Spot an error or a move we missed? Tell the desk.