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GitHub Advanced Security or Legit Security: agentic AppSec compared
Short answer
By The Pipeline Desk · Best Agentic AppSec · Published 2026-10-08
Desk research from public vendor pages, changelogs and standards documents. Vendor facts read in September 2026, updated 2026-10-11. Editorial assessment; we did not run the products.
How do they compare at a glance?
GitHub Advanced Security
Fix path with stated validation, for repositories on GitHub
Rank 6 of 10
Legit Security
Agent governance and SDLC-wide policy in one ASPM platform
Rank 1 of 10
Which scores higher on each criterion?
| Criterion | Weight | GitHub Advanced Security | Legit Security | Higher |
|---|---|---|---|---|
| Agent and MCP discovery | 10% | 2 / 10 No central inventory of AI coding tools is described on the pages reviewed. Source: GitHub Docs: about GitHub Advanced Security · Read 27 Sep 2026 | 10 / 10 VibeGuard runs on the developer endpoint and discovers agents, models, MCP servers and skills; the security team gets an inventory of skills, MCPs, models and agents and can flag off-standard tools. Source: Legit Security blog: what we learned building VibeGuard 2.0 · Read 11 Oct 2026 | Legit |
| Agent policy enforcement and audit | 10% | 4 / 10 Built-in security checks apply to GitHub's own Copilot coding agent; no policy for third-party agents is described. Source: GitHub Changelog: Copilot coding agent validates security and quality (28 Oct 2025) · Read 27 Sep 2026 | 8 / 10 Command monitoring and blocking by custom or built-in policies, approve, block or flag decisions from a central management console, and anti-tampering that stops agents or users from disabling it; an audit log specific to VibeGuard is not stated on the pages reviewed. Source: Legit Security: VibeGuard 2.0 press release (re-read October 2026) · Read 11 Oct 2026 | Legit |
| Secret handling for agents | 5% | 7 / 10 Secret scanning with push protection, and a ruleset rule that blocks merges while secret alerts are open; secret handling inside agent sessions is not described. Source: GitHub Changelog: block pull requests with exposed secrets (9 Sep 2026) · Read 27 Sep 2026 | 10 / 10 A secrets MCP backed by the OS keychain or environment variables scopes credentials to the session and keeps them out of history files and agent memory; VibeGuard also restricts agent access to files containing secrets. Source: Legit Security blog: what we learned building VibeGuard 2.0 · Read 11 Oct 2026 | Legit |
| Agentic remediation | 20% | 9 / 10 Agentic autofix is generally available for Code Quality findings (9 Sep 2026): up to 25 findings fixed on a branch, validated and opened as a pull request, with fix patterns reused through Copilot Memory; Copilot Autofix is part of Code Security. Source: GitHub Changelog: agentic autofix for Code Quality findings (9 Sep 2026) · Read 27 Sep 2026 | 9 / 10 Agentic Remediation fixes first-party SAST findings and dependency (SCA) vulnerabilities, re-scans before and after, then opens a pull request with the fix and vulnerability details; major-version code adaptations are flagged as AI-assessed in the PR. Source: Legit Security blog: Agentic Remediation now fixes dependencies · Read 11 Oct 2026 | Tie |
| Agentic triage and prioritization | 15% | 6 / 10 Security overview and campaigns; no reachability or business-context scoring on the pages reviewed. Source: GitHub Docs: about GitHub Advanced Security · Read 27 Sep 2026 | 10 / 10 Legit states its prioritization uses reachability and business criticality, and risk scoring weighs business criticality, compliance, GenAI use, APIs and internet exposure; remediation agents prioritize findings. Source: Legit Security press release, 18 June 2026 · Read 11 Oct 2026 | Legit |
| SDLC policy and supply chain posture | 10% | 8 / 10 Secret scanning with push protection, dependency review, and a ruleset rule in public preview that blocks merges while secret alerts are open. Source: GitHub Changelog: block pull requests with exposed secrets (9 Sep 2026) · Read 27 Sep 2026 | 10 / 10 Discovers SDLC systems and CI/CD pipelines and enforces "100's of policies"; secrets scanning reaches Git history, Jira, Confluence, Slack, build logs and personal GitHub accounts. Source: Legit Security: software supply chain security · Read 27 Sep 2026 | Legit |
| Scanner coverage and orchestration | 10% | 8 / 10 CodeQL code scanning and dependency review, plus third-party extensibility: findings from other scanning tools can be centralized through SARIF upload; de-duplication across tools is not described. Source: GitHub Security plans · Read 11 Oct 2026 | 10 / 10 Runs its own SAST, SCA and secrets detection, orchestrates existing scanners and de-duplicates their findings. Source: Legit Security: ASPM platform · Read 27 Sep 2026 | Legit |
| Named coding agent reach | 10% | 2 / 10 Names 1 of the six agents we track: GitHub Copilot. Source: GitHub Changelog: Copilot coding agent validates security and quality (28 Oct 2025) · Read 27 Sep 2026 | 8 / 10 Names 5 of the six agents we track: Claude Code, Cursor, GitHub Copilot, Windsurf and OpenAI Codex. Source: Legit Security: VibeGuard 2.0 press release · Read 27 Sep 2026 Source: Legit Security: VibeGuard · Read 27 Sep 2026 | Legit |
| Pricing and trial transparency | 10% | 9 / 10 Secret Protection at $19 and Code Security at $30 per active committer per month are published. Source: GitHub Advanced Security · Read 27 Sep 2026 | 4 / 10 No pricing page on Legit's own site; one AWS Marketplace list price is published ($60,000 for a 12-month contract, all modules and 24/7 support, 100 users). No free tier. Source: AWS Marketplace: Legit Security listing · Read 11 Oct 2026 | GHAS |
How do they differ along the pipeline?
| Control point | GitHub Advanced Security | Legit Security |
|---|---|---|
| Agent | Partial The Copilot coding agent runs CodeQL, Advisory Database and secret scanning checks on its own changes; no controls for third-party agents on the pages reviewed. Source: GitHub Changelog: Copilot coding agent validates security and quality (28 Oct 2025) · Read 27 Sep 2026 | Documented VibeGuard 2.0 discovers coding agents on the developer endpoint, blocks dangerous operations, monitors and enforces commands by custom or built-in policy, secures MCP use and resists tampering. Source: Legit Security: VibeGuard 2.0 press release · Read 27 Sep 2026 |
| IDE | Not documented IDE-side checks are not described on the pages reviewed. Source: GitHub Docs: about GitHub Advanced Security · Read 27 Sep 2026 | Documented VibeGuard runs SAST and SCA scans inside the IDE and blocks secrets from being shared with AI systems. Source: Legit Security: VibeGuard · Read 27 Sep 2026 |
| Pull request | Documented Code scanning and dependency review on pull requests; AI Scan for pull requests in public preview. Source: GitHub Changelog: AI Scan no longer requires CodeQL default setup (16 Sep 2026) · Read 27 Sep 2026 | Documented VibeGuard integrates with GitHub, GitLab, Bitbucket and CI/CD. Source: Legit Security: VibeGuard · Read 27 Sep 2026 |
| Pipeline | Documented Secret scanning with push protection, and a ruleset rule in public preview that blocks merges while secret scanning alerts are open. Source: GitHub Changelog: block pull requests with exposed secrets (9 Sep 2026) · Read 27 Sep 2026 | Documented Discovers SDLC systems and CI/CD pipelines and states it can "Enforce 100's of policies". Source: Legit Security: software supply chain security · Read 27 Sep 2026 |
| Triage | Partial Security overview and campaigns; no reachability or business-context scoring on the pages reviewed. Source: GitHub Docs: about GitHub Advanced Security · Read 27 Sep 2026 | Documented Prioritization uses reachability and business criticality, with risk scoring on business criticality, compliance, GenAI use, APIs and internet exposure. Source: Legit Security press release, 18 June 2026 · Read 11 Oct 2026 |
| Fix | Documented Agentic autofix is generally available for Code Quality findings: Copilot fixes on a branch, validates its changes and opens a pull request. Source: GitHub Changelog: agentic autofix for Code Quality findings (9 Sep 2026) · Read 27 Sep 2026 | Documented Agentic Remediation fixes SAST and SCA findings, re-scans and opens a pull request with the fix. Source: Legit Security blog: Agentic Remediation now fixes dependencies · Read 11 Oct 2026 |
What do they cost?
GitHub Advanced Security
GitHub Secret Protection $19 per active committer per month; GitHub Code Security $30 per active committer per month. Available to GitHub Team and Enterprise Cloud.
Source: GitHub Security plans · Read 11 Oct 2026
Free start: No free tier for private repositories on the pages reviewed; the Copilot coding agent's built-in security checks need no GHAS license.
Legit Security
AWS Marketplace list price: Legit Security S/W Platform, All Modules and 24/7 Support, 100 users, $60,000 for a 12-month contract. No pricing page on Legit's own site.
Source: AWS Marketplace: Legit Security listing · Read 11 Oct 2026
Free start: No free tier or self-serve trial published; sold through demos and AWS Marketplace (SaaS).
Which coding agents does each name?
| Agent | GitHub Advanced Security | Legit Security |
|---|---|---|
| Claude Code | Not named | Named |
| Cursor | Not named | Named |
| GitHub Copilot | Named | Named |
| Windsurf | Not named | Named |
| OpenAI Codex | Not named | Named* |
| Kiro | Not named | Not named |
| Total | 1 of 6 | 5 of 6 |
* Codex: supported, per Legit (confirmed to the publisher in October 2026).
Which should you choose?
Choose GitHub Advanced Security if you need agentic remediation and pricing and trial transparency. GitHub Advanced Security: Fix path with stated validation, for repositories on GitHub.
Choose Legit Security if you need agentic triage and prioritization and agent and mcp discovery. Legit Security: Agent governance and SDLC-wide policy in one ASPM platform.
Frequently asked questions
Which is better for agentic AppSec, GitHub Advanced Security or Legit Security?
On our published weights Legit Security scores higher overall, 8.80 to 6.35 out of 10. See the criterion table above for where each scores higher.
Which governs coding agents more fully, GitHub Advanced Security or Legit Security?
Legit Security scores higher on the agent governance group (9.2 to 3.8). GitHub Advanced Security: The Copilot coding agent runs CodeQL, Advisory Database and secret scanning checks on its own changes; no controls for third-party agents on the pages reviewed. Legit Security: VibeGuard 2.0 discovers coding agents on the developer endpoint, blocks dangerous operations, monitors and enforces commands by custom or built-in policy, secures MCP use and resists tampering.
Do GitHub Advanced Security and Legit Security publish prices?
GitHub Advanced Security: GitHub Secret Protection $19 per active committer per month; GitHub Code Security $30 per active committer per month. Available to GitHub Team and Enterprise Cloud. Legit Security: AWS Marketplace list price: Legit Security S/W Platform, All Modules and 24/7 Support, 100 users, $60,000 for a 12-month contract. No pricing page on Legit's own site.