EMBRACE research (Forever Security, Oct 29, 2026) showed the preview browser inside Cursor, Copilot, Codex, VS Code and Claude Desktop was trusted like a real browser — and shouldn't be. Codex and VS Code were unpatched at publication; Claude Desktop's fix status is uncertain. EmbedCheck audits your own workstation: a status table with a source and date on every row, update checklists, a workspace-trust guide, a canary self-test that never reads a real secret, plus policy and report templates.