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Kaseya VSA is a capable RMM for remote control, patching, and automation across a fleet. But managing and patching a machine isn't hardening it. WinSentinel audits 13+ security modules, scores your posture, and auto-remediates — for free.
| Capability | WinSentinel | Kaseya VSA |
|---|---|---|
| Primary Function | Security hardening & audit | RMM (remote mgmt + patching) |
| Security Posture Score | ✓ 0–100 across 13+ modules | ✗ No security posture scoring |
| Auto-Remediation | ✓ Fixes misconfigurations | Scripted automation (not hardening) |
| Configuration Audit | ✓ 13+ hardening modules | ✗ Not a security audit tool |
| Patch Management | Not primary focus | ✓ Patch automation |
| Remote Access | CLI-based | ✓ Remote control built in |
| Free Tier | ✓ Full power, forever | ✗ Quote-based contracts |
| Open Source | ✓ MIT licensed | ✗ Proprietary |
| Target Audience | Security-conscious admins | MSPs & IT teams |
$0/forever
All features, no limits, one machine. Full power.
Pro fleet: $29/25 nodes · $79/100 nodes
Quote/per endpoint
Per-endpoint contracts, usually annual with minimums. No free tier.
Add-on modules priced separately
Use Kaseya VSA for remote management and patch automation. Add WinSentinel for the security hardening layer that an RMM doesn't cover — posture scoring and one-click fixes for the misconfigurations patching never touches.
dotnet tool install --global WinSentinel.Cli
No. Kaseya VSA is remote monitoring and management (RMM): remote control, patch management, scripting, and automation across a fleet, typically run by MSPs. WinSentinel is security hardening: it audits 13+ security modules, scores posture 0-100, and auto-remediates misconfigurations. RMM keeps machines patched and managed; hardening fixes how Windows is configured.
Yes. Many teams run an RMM like Kaseya VSA for remote management and patching, then deploy WinSentinel for configuration hardening and posture scoring on the same machines. The two answer different questions: "is this device managed and patched?" versus "is this device hardened?"
WinSentinel is free for unlimited use on a single machine. Kaseya VSA is RMM software sold through quote-based, per-endpoint contracts (typically with annual commitments and minimums). WinSentinel Pro - which adds fleet management across many machines - is $29/mo for up to 25 nodes or $79/mo for up to 100 nodes, with annual billing saving 17%.
Yes. The CLI and every audit module are free and open source under the MIT license, installed with dotnet tool install --global WinSentinel.Cli. A single machine gets the full power - all audit modules, the real-time monitor, scheduled scans, and PDF reports - with no limits and no account required. Pro is only for organizations that want to manage many machines from one control plane.
Yes. WinSentinel is built specifically for Windows 10 and Windows 11 (and Windows Server). It uses native Windows APIs to audit configuration that cross-platform tools treat generically, which is why its hardening checks are deeper on Windows.