CSS for IIS vs Messageware Server Threat Guard (STG): side-by-side comparison (2026)
CSS for IIS is a commercial workload protection solution by CalCom Software. Messageware Server Threat Guard (STG) is a commercial workload protection solution by Messageware. Features, integrations, deployment and the company behind each one, side by side.
Automated hardening and compliance management tool for Microsoft IIS servers.
Real-time threat detection & health monitoring for Windows/Exchange servers.
Side-by-side comparison
Feature
CSS for IIS
Messageware Server Threat Guard (STG)
Pricing model
Commercial
Commercial
Category
Workload Protection
Workload Protection
Deployment and fit
Deployment type
On-Premises
On-Premises
Company size fit
SMB, Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Company
Company
CalCom Software
Messageware
Use cases and capabilities
Security Hardening
Yes
No
Configuration Management
Yes
No
Microsoft
Yes
No
Policy
Yes
No
Security Configuration
Yes
No
Benchmark
Yes
No
Windows Security
Yes
Yes
Server
No
Yes
Zero Day
No
Yes
Microsoft 365
No
Yes
Core features
10 features listed
10 features listed
Integrations
2 integrations listed
1 integration listed
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