Vercel open sourced deepsec, a security harness powered by coding agents that runs on your own infrastructure, uses Opus 4.7 at max effort and GPT 5.5 at xhigh reasoning, and scales up to 1,000+ concurrent sandboxes on Vercel's codebases.
Added to The Deploy Log , updated . Read Edition 33, the edition that carried it.
130 rows from Vercel in The Deploy Log are dated on or before this one, this one included.