Transforming Security with GitHub Advanced Security + GitHub Copilot + Microsoft Defender for Cloud
The software supply chain is the primary attack vector. Security must be embedded into every phase of development.
Vulnerable supply chain & build machine — 18,000 customers impacted
Leaked developer secrets — Up to 29,000 customers at risk
Vulnerable source code — 40% of business networks globally. 100 attacks/minute at peak.
| Framework | Scope | Relevance |
|---|---|---|
| NIST SSDF | Secure Software Development Framework | U.S. federal and private sector baseline |
| SLSA | Supply-chain Levels for Software Artifacts | Build integrity and provenance verification |
| Cyber Resilience Act (CRA) | EU legislation on software security | Mandatory for EU market software products |
| OpenSSF Scorecard | Open-source security posture scoring | Automated dependency risk evaluation |
| Metric | Value | Source |
|---|---|---|
| Cost multiplier | 100× more expensive to fix in production vs. development | NIST & IBM Systems Sciences Institute |
| Exploitation growth | 180% growth in vulnerability exploitation as initial breach access | Verizon DBIR 2024 |
| Release pressure | 79% say DevOps teams face increasing pressure to shorten cycles | Contrast Security 2024 |
| Security debt | 70.8% of organizations have security debt; 89.4% in first-party code | Veracode SOSS 2024 |
graph LR
A["DevOps\nPeople + Process + Tech\n→ Continuous value delivery"] -->
B["DevSecOps\nSecurity as shared responsibility\n→ Secure continuous delivery"] -->
C["Agentic DevOps\nAI agents as team members\n→ Automate & accelerate"] -->
D["Agentic DevSecOps\nAI agents with security built in\n→ Secure AI-accelerated delivery"]
style A fill:#1e3a5f,stroke:#3b82f6,stroke-width:2px,color:#e6edf3
style B fill:#1e1b4b,stroke:#4f46e5,stroke-width:2px,color:#e6edf3
style C fill:#3b0764,stroke:#7c3aed,stroke-width:2px,color:#e6edf3
style D fill:#064e3b,stroke:#059669,stroke-width:3px,color:#e6edf3
Security teams isolated from engineering → Agents embed security in developer workflow
Developers lack security expertise → Agents provide just-in-time education
Security tools not built for devs → Agents detect, explain, fix in real-time
GitHub is the world's largest developer platform with ~150 million developers. GHAS brings native, first-party security directly into this platform — not bolted on, but built in. The mission: shift the burden from your team to your tools.
Announced March 4, 2025, GA April 1, 2025 — GHAS restructured into two standalone products, now available on GitHub Team plans:
| Product | What's Included | Price |
|---|---|---|
| GitHub Secret Protection | Secret scanning, push protection, AI-powered generic detection, custom patterns, delegated bypass, validity checks | $19/mo per active committer |
| GitHub Code Security | CodeQL code scanning, Copilot Autofix, Dependabot, security campaigns, third-party SARIF | $30/mo per active committer |
GHES Note: On GitHub Enterprise Server, GHAS continues as a bundled add-on to the Enterprise license and was not restructured into the standalone Secret Protection / Code Security products.
💡 Stolen or leaked credentials remain the #1 initial attack vector in data breaches, responsible for the largest share of incidents year over year. — IBM Cost of a Data Breach 2021 & 2023
flowchart TD
A["Developer pushes code"] --> B{"Push Protection\nScanner"}
B -->|No secret found| C["✅ Push succeeds"]
B -->|Secret detected| D["🚫 Push BLOCKED"]
D --> E["Developer sees:\nSecret type, File, Line, Options"]
E --> F["Remove the secret"]
E --> G["Mark as false positive"]
E --> H["Request delegated bypass"]
H --> I["Security reviewer notified"]
I --> J{"Reviewer decision"}
J -->|Approve| K["Push allowed + Audit trail"]
J -->|Deny| L["Push remains blocked"]
style A fill:#1e1b4b,stroke:#4f46e5,color:#e6edf3
style B fill:#3b0764,stroke:#7c3aed,color:#e6edf3
style C fill:#064e3b,stroke:#059669,color:#e6edf3
style D fill:#881337,stroke:#e11d48,color:#e6edf3
style E fill:#78350f,stroke:#d97706,color:#e6edf3
style F fill:#064e3b,stroke:#059669,color:#e6edf3
style G fill:#1e293b,stroke:#64748b,color:#e6edf3
style H fill:#3b0764,stroke:#7c3aed,color:#e6edf3
style K fill:#064e3b,stroke:#059669,color:#e6edf3
style L fill:#881337,stroke:#e11d48,color:#e6edf3
| Capability | Description |
|---|---|
| Partner Patterns | 200+ partner patterns covering 400+ token types from cloud providers, SaaS platforms, and package registries |
| Copilot Secret Scanning | AI/ML-powered detection of unstructured secrets — passwords, connection strings, generic credentials |
| Custom Patterns | Organization-defined regex for internal secret formats |
| Validity Checks | Automated verification with partner APIs to confirm if a detected secret is still active |
| Push Protection | Server-side real-time blocking before secrets reach the repository |
| Delegated Bypass | Governance workflow requiring security team approval for exceptions |
| Free Secret Risk Assessment | Point-in-time scan of all repos (incl. private/internal/archived) — no license required |
CodeQL is GitHub's semantic code analysis engine — treats code as data by building a relational database and running security queries.
| Language | Build Mode | Notes |
|---|---|---|
| C/C++ | autobuild or manual | Requires compilation |
| C# | autobuild or manual | .NET framework support |
| Go | autobuild | Automatic |
| Java/Kotlin | autobuild or manual | Maven/Gradle support |
| JavaScript/TypeScript | No build required | — |
| Python | No build required | — |
| Ruby | No build required | — |
| Swift | autobuild or manual | macOS runners required |
| Rust | autobuild | Rust editions 2021 and 2024 |
| GitHub Actions | No build required | Scans workflow YAML for injection and security issues |
flowchart LR
A["CodeQL\nAlert"] --> B["Autofix Engine\nLLM + CodeQL Context"]
B --> C["Analyze:\nCWE, data flow"]
C --> D["Generate:\nCode fix + explanation"]
D --> E["Validate:\nFix doesn't break"]
E --> F["PR Comment:\nExplanation + Diff\n+ One-click apply"]
style A fill:#881337,stroke:#e11d48,color:#e6edf3
style B fill:#3b0764,stroke:#7c3aed,color:#e6edf3
style C fill:#1e293b,stroke:#64748b,color:#e6edf3
style D fill:#1e293b,stroke:#64748b,color:#e6edf3
style E fill:#1e293b,stroke:#64748b,color:#e6edf3
style F fill:#064e3b,stroke:#059669,stroke-width:2px,color:#e6edf3
flowchart TD
A["Security Manager identifies\nsystemic vulnerability"] --> B["Create Campaign:\nTarget CWEs across repos"]
B --> C["GitHub generates Issues\nwith Autofix suggestions\n(up to 1,000 alerts)"]
C --> D["Developers receive:\nVulnerability details + Autofix\n+ Runtime context from MDC"]
D --> E["Campaign Dashboard:\nFixed / Open / In-Progress\nPer-team metrics + SLA"]
E --> F["Bidirectional sync:\nGitHub ↔ Defender for Cloud"]
style A fill:#881337,stroke:#e11d48,color:#e6edf3
style B fill:#1e1b4b,stroke:#4f46e5,color:#e6edf3
style C fill:#3b0764,stroke:#7c3aed,color:#e6edf3
style D fill:#064e3b,stroke:#059669,color:#e6edf3
style E fill:#1e3a5f,stroke:#3b82f6,color:#e6edf3
style F fill:#064e3b,stroke:#059669,stroke-width:2px,color:#e6edf3
| Feature | Function | Automation |
|---|---|---|
| Dependency Graph | Maps all direct + transitive dependencies | Automatic |
| Dependabot Alerts | Matches against GitHub Advisory Database | Automatic |
| Dependabot Security Updates | Creates PRs to update vulnerable dependencies | Semi-automatic |
| Dependabot Version Updates | Keeps dependencies current on schedule | Configurable |
| Dependency Review | PR gate to prevent adding new vulnerabilities | Automatic |
| Artifact Attestations | Build provenance and integrity verification (SLSA) | Workflow |
| SBOM Generation | Software Bill of Materials for compliance | Workflow |
GitHub Advanced Security + Microsoft Defender for Cloud = Code-to-Cloud security fabric.
graph TB
subgraph MDC["MICROSOFT DEFENDER FOR CLOUD"]
direction TB
DSPM["DevOps Security Posture Management"]
AGS["Agentless Code Scanning\nZero YAML, zero pipeline changes"]
PRA["Pull Request Annotations\nIaC findings in developer workflow"]
CSPM["Defender CSPM\nCloud Security Posture Management"]
APA["Attack Path Analysis\nChained vulnerability risk"]
C2C["Code-to-Cloud Mapping\nSource repo ↔ Cloud workload"]
end
subgraph CONN["Multi-Pipeline Support"]
GH["GitHub — Native GitHub App"]
ADO["Azure DevOps — Extension"]
GL["GitLab — OAuth"]
end
CONN --> MDC
style MDC fill:#1a0a2e,stroke:#7c3aed,stroke-width:2px,color:#e6edf3
style CONN fill:#0c1929,stroke:#3b82f6,stroke-width:2px,color:#e6edf3
style DSPM fill:#2d1654,stroke:#7c3aed,color:#e6edf3
style AGS fill:#2d1654,stroke:#7c3aed,color:#e6edf3
style PRA fill:#2d1654,stroke:#7c3aed,color:#e6edf3
style CSPM fill:#2d1654,stroke:#7c3aed,color:#e6edf3
style APA fill:#2d1654,stroke:#7c3aed,color:#e6edf3
style C2C fill:#2d1654,stroke:#7c3aed,color:#e6edf3
| Scanner | Target | Language / Framework |
|---|---|---|
| Bandit | Application code | Python |
| ESLint (security rules) | Application code | JavaScript / TypeScript |
| Checkov | IaC | Terraform, Kubernetes, Dockerfile, ARM, Bicep, CloudFormation |
| Template Analyzer | IaC | ARM, Bicep |
| Trivy | Dependencies | OS packages and repo manifests (npm, pip, Maven, NuGet, Go, Cargo) |
| Syft | SBOM | Generates dependency inventory across 30+ ecosystems |
graph LR
A["GitHub Repo\nSQL Injection in /src/api\nCodeQL finding"] -->|builds| B["Container Image\nVulnerable base image\nRegistry scan"]
B -->|deploys to| C["AKS Pod\nInternet exposed\nSensitive data access"]
C --> D["ATTACK PATH\nCRITICAL 9.8"]
D --> E["Internet Exposure"]
D --> F["Sensitive Data"]
D --> G["Code Vuln + Unpatched Base"]
D --> H["Lateral Movement"]
style A fill:#4a1530,stroke:#e11d48,stroke-width:2px,color:#e6edf3
style B fill:#42290a,stroke:#d97706,stroke-width:2px,color:#e6edf3
style C fill:#4a1530,stroke:#e11d48,stroke-width:2px,color:#e6edf3
style D fill:#4a1042,stroke:#db2777,stroke-width:3px,color:#e6edf3
style E fill:#3d0f1e,stroke:#f43f5e,color:#e6edf3
style F fill:#3d0f1e,stroke:#f43f5e,color:#e6edf3
style G fill:#3d0f1e,stroke:#f43f5e,color:#e6edf3
style H fill:#3d0f1e,stroke:#f43f5e,color:#e6edf3
graph TB
subgraph DEV["DEVELOPER INNER LOOP"]
IDE["IDE + Copilot"] --> PUSH["git push\n+ Push Protection"]
PUSH --> PR["Pull Request\n+ Code Review"]
PR --> CICD["CI/CD Pipeline"]
end
subgraph GHAS["GITHUB ADVANCED SECURITY"]
SP["Secret Protection\n+ Push Protection"]
CS["CodeQL Code Scanning\n+ Copilot Autofix"]
DEP["Dependabot\nSupply Chain Security"]
SC["Security Campaigns"]
end
subgraph BRIDGE["GHAS + MDC INTEGRATION"]
C2C["Bidirectional Sync\nAlerts, Context, Fix Status"]
end
subgraph MDCS["MICROSOFT DEFENDER FOR CLOUD"]
DSPM["DevOps Security\nPosture Mgmt"]
AGS["Agentless Code\n+ IaC Scanning"]
CSPM["Defender CSPM\n+ Attack Paths"]
PRA["PR Annotations"]
end
subgraph CLOUD["CLOUD WORKLOADS"]
RC["Runtime Context\nInternet, Data, Identity, Network"]
end
DEV --> GHAS
GHAS --> BRIDGE
BRIDGE --> MDCS
MDCS --> CLOUD
style DEV fill:#0c1929,stroke:#3b82f6,stroke-width:2px,color:#e6edf3
style GHAS fill:#1a1540,stroke:#4f46e5,stroke-width:2px,color:#e6edf3
style BRIDGE fill:#0a2e1e,stroke:#059669,stroke-width:3px,color:#e6edf3
style MDCS fill:#1a0a2e,stroke:#7c3aed,stroke-width:2px,color:#e6edf3
style CLOUD fill:#0a1e2e,stroke:#0ea5e9,stroke-width:2px,color:#e6edf3
| Risk Factor | Source | Impact |
|---|---|---|
| Internet Exposure | MDC Network Analysis | +Critical if public-facing |
| Sensitive Data Access | MDC Data Classification | +High if PII/financial data |
| Critical Resource | MDC Resource Tags | +High if production workload |
| Lateral Movement | MDC Attack Path Analysis | +Critical if pivot point |
| Identity Risk | MDC Identity Analysis | +High if over-permissioned |
| Feature | Required License |
|---|---|
| GHAS Code Scanning (CodeQL) | GitHub Code Security |
| GHAS Secret Scanning + Push Protection | GitHub Secret Protection |
| Copilot Autofix | GitHub Code Security (included) |
| Copilot Coding Agent | Any paid GitHub Copilot plan |
| MDC DevOps Security (basic) | Defender for Cloud (Free tier) |
| MDC Agentless Scanning + PR Annotations | Defender CSPM |
| MDC Attack Path Analysis | Defender CSPM |
| GHAS + MDC Native Integration | GitHub Code Security + Defender CSPM |
AI-powered agents operating as members of your dev team — automate, optimize, and secure every stage of the SDLC.
📊 Developers spend only ~20% of their time writing code. The other 80% goes to planning, securing, governing, and maintaining. Agentic AI reclaims that 80% by embedding autonomous agents across the entire lifecycle.
| Dimension | Without Agents | With Agents |
|---|---|---|
| Competence — What they know | Limited to individual expertise | AI provides security knowledge on-demand |
| Capability — What they can do | Constrained by tooling familiarity | Agents detect, explain, fix, and validate |
| Capacity — How much they can do | Bounded by human hours | Agents work in parallel, asynchronously |
graph TB
subgraph BEFORE["TRADITIONAL DevSecOps"]
B1["Manual code review"]
B2["Security team bottleneck"]
B3["Delayed remediation\nweeks / months"]
B4["Skill gaps block adoption"]
end
subgraph AFTER["AGENTIC DevSecOps"]
A1["AI agents detect & fix\nin real-time"]
A2["Security embedded in\ndeveloper workflow"]
A3["Immediate remediation\nminutes / hours"]
A4["Just-in-time education"]
end
BEFORE -->|"Agentic Transformation"| AFTER
style BEFORE fill:#4a1530,stroke:#e11d48,stroke-width:2px,color:#e6edf3
style AFTER fill:#0a2e1e,stroke:#059669,stroke-width:2px,color:#e6edf3
Generally available since May 19, 2025 for all paid Copilot subscribers. Operates as an autonomous team member.
flowchart TD
A["Assign GitHub Issue\nto Copilot"] --> B["👀 Agent starts\nSecure sandbox via\nGitHub Actions"]
B --> C["Clones repo → Sets up env\n→ Analyzes with RAG"]
C --> D["Edits → Builds → Tests\nPushes to draft PR"]
D --> E["Requests human review\nResponds to PR comments"]
E --> F["Human approves\n→ CI/CD → Merged"]
style A fill:#1e1b4b,stroke:#4f46e5,color:#e6edf3
style B fill:#3b0764,stroke:#7c3aed,color:#e6edf3
style C fill:#1e293b,stroke:#64748b,color:#e6edf3
style D fill:#1e293b,stroke:#64748b,color:#e6edf3
style E fill:#78350f,stroke:#d97706,color:#e6edf3
style F fill:#064e3b,stroke:#059669,stroke-width:2px,color:#e6edf3
| Policy | Protection |
|---|---|
| Branch restrictions | Agent can only push to branches it created |
| Review enforcement | Requester cannot approve the agent's PR |
| Network isolation | Internet access limited to trusted destinations (customizable) |
| CI/CD gating | Actions workflows require human approval before running |
| Existing rules apply | Repository rulesets and org policies fully enforced |
Specialized versions of the Copilot coding agent tailored to security workflows:
Reviews repository for security issues and produces a comprehensive security report
Security-focused code reviewer checking for common vulnerabilities (CWEs)
Threat modelling and security architecture with framework expertise
Detects CI workflow weaknesses, auto-patches GitHub Actions & Azure DevOps YAML
Finds insecure defaults and misconfigurations across IaC and cloud configs
Detects secret leaks, dependency risks, and repo misconfigurations with PR-ready fixes
graph TB
subgraph PREVENT["🔒 PREVENT"]
P1["Secret Protection\nPush Protection"]
P2["Copilot Secret Scanning\nAI-powered detection"]
P3["Custom Security Agents\nPre-commit in VS Code"]
end
subgraph DETECT["🔍 DETECT"]
D1["CodeQL Code Scanning"]
D2["MDC Agentless Scanning"]
D3["Dependabot"]
D4["MDC PR Annotations"]
end
subgraph FIX["🔧 FIX"]
F1["Copilot Autofix"]
F2["Copilot Coding Agent"]
F3["Security Campaigns"]
F4["Custom Security Agents"]
end
subgraph MONITOR["📊 MONITOR"]
M1["Defender CSPM\nAttack Paths"]
M2["Code-to-Cloud Mapping"]
M3["Security Overview\nDashboard"]
M4["Audit Logs → SIEM"]
end
PREVENT --> DETECT --> FIX --> MONITOR
MONITOR -->|"Runtime context\nenriches prioritization"| DETECT
style PREVENT fill:#0a2e1e,stroke:#059669,stroke-width:2px,color:#e6edf3
style DETECT fill:#0c1929,stroke:#4f46e5,stroke-width:2px,color:#e6edf3
style FIX fill:#1a0a2e,stroke:#7c3aed,stroke-width:2px,color:#e6edf3
style MONITOR fill:#2e1f0a,stroke:#d97706,stroke-width:2px,color:#e6edf3
Complete tooling matrix and maturity model for implementing Agentic DevSecOps at scale.
| Category | Guideline | Tools & Capabilities | Automation |
|---|---|---|---|
| Secrets Scanning | Detect and prevent hard-coded secrets | GitHub Secret Protection, Push Protection, Copilot Secret Scanning, Custom Patterns | Automatic |
| SCA | Manage dependency risks | Dependabot, Dependency Review, Artifact Attestations, SBOM, OpenSSF Scorecard, SLSA | Workflow / Auto |
| SAST | Detect code vulnerabilities | CodeQL (Default & Advanced), Copilot Autofix, 3rd Party SARIF | Workflow / Auto |
| IaC Scanning | Secure infrastructure configs | MSDO: Checkov, Template Analyzer, Terrascan, Trivy | Workflow |
| CIS | Secure container supply chain | MSDO: Checkov, Terrascan, Trivy, Anchore Grype | Workflow |
| DAST | Test running applications | OWASP ZAP (maintained by Checkmarx) | Workflow |
| Continuous Scanning | Runtime posture monitoring | Microsoft Defender for Cloud, Sentinel, Azure Policy | Workflow / Auto |
| Compliance | Governance & audit | GHAS Security Configurations (Policy-as-Code), Delegated Bypass, Audit Logs | Enforced |
| Level | Practice | Tools |
|---|---|---|
| L1 — Reactive | Manual security reviews | Ad-hoc scanning |
| L2 — Automated | CI/CD-integrated scanning | CodeQL default setup, Dependabot |
| L3 — Proactive | Push protection, PR gates | Secret scanning push protection, CodeQL PR checks |
| L4 — Contextual | Runtime-aware prioritization | GHAS + MDC, attack path analysis |
| L5 — Agentic | AI-powered autonomous security | Copilot Autofix, Coding Agent, Campaigns, Custom Agents |
Agentic DevSecOps — where we're going and how to get started.
For building secure AI apps and agents at scale — security as a first-class citizen of every workflow
Together provide a comprehensive code-to-cloud security fabric — bidirectional, contextual, AI-driven
Copilot Autofix and the Coding Agent dramatically reduce manual remediation effort
Operationalize application security at scale while maintaining development velocity
Proven guidelines to detect secrets, dependencies, and code vulnerabilities automatically
Shift security left · Leverage agentic AI · Accelerate secure innovation · Reduce security debt
Demo repo: githubabcs-devops/gh-advsec-devsecops
| # | Scenario | Tools in Action |
|---|---|---|
| 1 | Secret detected & blocked — Push protection preventing a GitHub PAT from being committed | GitHub Secret Protection, Push Protection |
| 2 | Copilot Autofix in action — SQL injection fixed in <30 seconds with one-click apply | CodeQL, Copilot Autofix |
| 3 | Custom security agent — Security IaC Agent finding misconfigured Kubernetes RBAC | Custom Agents, VS Code |
| 4 | Security campaign dashboard — Org-wide XSS remediation campaign | Security Campaigns, Copilot Autofix |
| 5 | MDC code-to-cloud — Tracing a code vulnerability to its internet-exposed runtime | Defender CSPM, Attack Path Analysis |
All sources used in this guide — grounded in public GitHub, Microsoft, and industry documentation.
| Resource | URL |
|---|---|
| About GitHub Advanced Security | docs.github.com |
| GHAS Product Restructure (March 2025) | github.blog/changelog |
| CodeQL Documentation | codeql.github.com |
| Copilot Autofix — Found Means Fixed | github.blog |
| Copilot Coding Agent (GA) | github.blog |
| Copilot — The Agent Awakens | github.blog |
| About Custom Agents | docs.github.com |
| Secret Scanning Documentation | docs.github.com |
| Resource | URL |
|---|---|
| Defender for Cloud DevOps Security | learn.microsoft.com |
| GHAS Integration with MDC | learn.microsoft.com |
| Connect GitHub to Defender for Cloud | learn.microsoft.com |
| Agentless Code Scanning | learn.microsoft.com |
| Attack Path Analysis | learn.microsoft.com |
| Resource | Source |
|---|---|
| Data Breach Investigations Report 2024 | Verizon |
| Cost of a Data Breach Report 2024 | IBM |
| State of Software Security 2024 | Veracode |
| State of DevSecOps Report 2024 | Contrast Security |
| NIST Secure Software Development Framework | NIST |
| SLSA Framework | slsa.dev |