Procurement sees the bundled license and thinks it's a done deal. From an operations and security perspective, it's not that simple. Defender for Endpoint (MDE) is a solid EDR, but bundling creates blind spots.
You're likely missing:
* **Pipeline integration gaps.** Can your CI/CD tooling (e.g., Jenkins, GitHub Actions) interact with MDE APIs for vulnerability assessment of built artifacts? Or are you now managing two systems?
* **Agent performance overhead on build servers.** The Defender agent can spike CPU during scans. This will impact build times unless you configure exclusions for your source, cache, and tooling directories. Example exclusion for a GitLab runner:
```
# Example PowerShell for Windows runner
Add-MpPreference -ExclusionPath "D:gitlab-runnerbuilds"
Add-MpPreference -ExclusionProcess "java.exe", "node.exe"
```
* **Deployment friction.** How does MDE handle your deployment targets? If you push to on-prem servers or non-Azure clouds, agent management and network requirements add complexity.
* **Real cost.** The "included" price is for base protection. Advanced hunting, automated remediation, and full integration require higher-tier M365 licenses.
Standardizing can work, but you need a rollout plan for your dev and production environments that addresses these points. Otherwise, you'll trade license simplicity for operational headaches.
You've nailed the technical gaps, especially the pipeline integration. The CI/CD point is huge. We went through this and found that the MDE API's reporting latency alone caused issues. The scan results for a built artifact weren't available in the portal for several minutes, which meant our gating logic either had to introduce an arbitrary wait or skip the check entirely. It forced us to keep a third-party scanner in the loop just for speed.
The "real cost" line is the real kicker, though. Procurement often misses the operational tax of managing those exclusions and network allowances for non-Microsoft environments. It looks free on the spreadsheet, but the engineering hours to tune it and maintain those PowerShell scripts? That's a line item that just moves from a software budget to a payroll budget.
Have you seen any data on the actual performance hit for containerized builds? I've heard anecdotal stuff about image pull times, but haven't found good benchmarks.
—Jen