Build the Security Capability Your Organization Needs
Every course produces operational artifacts you deploy at work the same week — detection rules that fire on real attacks, investigation playbooks tested against realistic incidents, architecture decisions documented well enough for a board presentation. You don't just learn. You build. And you leave with proof your organization is more secure.
Every course produces artifacts you keep and use.
The Gap Between Certification and Capability
Most security training teaches you what things are. Very little teaches you how to build, deploy, and operate them in your own environment. You pass the exam but can't design a Conditional Access framework, write a detection rule that fires on a real attack, or investigate a compromised identity end-to-end. Ridgeline exists to close that gap — every course produces the artifacts that prove you can do the work, not just describe it.
You Don't Just Learn. You Build.
Every course produces operational artifacts — the deliverables your organization actually needs. Deploy them at work. Take them into interviews. They're yours permanently.
Architecture Decisions
30+ Architecture Decision Records, decision matrices, a risk register, and an executive summary. A complete security architecture package you present to your CISO or take to your next role.
Detection Rules
Production-ready KQL and Sigma rules you deploy into Sentinel, Defender XDR, or Splunk. Tuned, tested, and validated against realistic attack data.
Investigation Playbooks
IR procedures, evidence collection workflows, timeline templates, and response frameworks. Built on NIST SP 800-61 Rev 3 methodology and tested against realistic scenarios.
Your Lab Is a Deliverable
You build a complete security operations lab on your own hardware — Windows, Linux, M365, Sentinel, and a full forensic toolchain. It's yours permanently. Nothing expires.
What a real module looks like
Detection Rule — BEC Mailbox Forwarding
Deploy as a Sentinel analytics rule. Copy, paste, deploy. This is what you build in every module.
Lab — Investigate Compromised Identity
SigninLogs for the user's last 7 days. Identify the first sign-in from an unfamiliar IP.AuditLogs for MFA method registration in the same 30-minute window.Run this in your own environment against real telemetry. The lab is yours permanently.
Verification — Detection Rule Deployed
Verification scripts confirm your work is correct before you move on.
For Practitioners Who Need Depth — At Any Stage.
Whether you're securing an M365 tenant today or building toward a security role, the content is the same — professional-grade, structured, and designed to produce results you can show.
M365 admins handed security responsibility who need to design Conditional Access, configure Defender, and present an architecture to leadership — not just enable features.
SOC analysts moving into specialized roles — detection engineering, threat hunting, DFIR, or security architecture. The structured depth that makes the transition real.
Security engineers and IR practitioners building operational depth in forensics, identity security, memory analysis, or detection validation that certification prep doesn't cover.
IT professionals transitioning into security who want professional-grade material from day one — not another beginner overview. Start with the free Admin to Defender course and progress into any specialization.
Career-changers building a portfolio of production-grade security artifacts they can demonstrate in interviews — architecture packages, detection rules, investigation reports.
Individual practitioners investing in their own development because their employer won't fund the specialist training they need. Every course at a price you can justify yourself.
Courses That Produce Operational Results
Each course is structured around the artifacts you produce — not content you consume. You finish with deliverables you deploy at work or take into interviews.
M365 Security Architecture
Detection Engineering
Practical Incident Response
Purple Teaming for Blue Teams
Choose Your Path
Each path progresses from foundational to advanced. Every path has free starting points.
Security Engineer
Detection & Hunting Engineer
Investigation & Response
Transitioning Into Security
Verifiable Credentials and CPE Credits
Complete a course, pass the scenario-based exam, and earn a verifiable credential with CPE credits. Share it with employers, include it in CPD logs, reference it in job applications.
Scenario-Based Exams
CPE Credits & Public Verification
See the Depth Before You Commit
Every paid course includes free foundation modules. Read the content, run the exercises, and decide if this is the right investment for your development. No account required.
Free Courses & Modules
Admin to Defender — complete free course. Every paid course includes free foundation modules you can work through without signing up.
Reference Tools
KQL reference, ASR rule reference, triage scorecard, event ID reference, PowerShell for security operations, DFIR runbooks.
Blog
Weekly security engineering insights — detection techniques, architecture patterns, and operational judgment from production experience.
Start With the Free Content.
Read the free modules, run the exercises, and decide if this is the right investment for your development. No account required. No credit card. Just content.