Chainguard hosts two company-wide retreats per year, including this one in Nashville. (Chainguard Photo) Chainguard has more than 350 employees, just

Chainguard Inc., a startup that helps developers ensure the open-source code they use is secure, has raised $356 million in fresh funding.

Software supply chain security startup Chainguard raised a massive $356 million Series D at a valuation of $3.5 billion as companies look for ways to secure software development.