# Messageware Server Threat Guard (STG) vs SubImage: side-by-side comparison (2026) [Messageware Server Threat Guard (STG)](https://cybersectools.com/tools/messageware-server-threat-guard-stg) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [Messageware](https://cybersectools.com/companies/messageware). [SubImage](https://cybersectools.com/tools/subimage) is a commercial [cloud-native application protection platform](https://cybersectools.com/categories/cnapp) solution by [SubImage](https://cybersectools.com/companies/subimage). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Messageware Server Threat Guard (STG) | SubImage | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Workload Protection | Cloud-Native Application Protection Platform | | Verified | No | No | | Deployment type | On-Premises | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Messageware | SubImage | | Headquarters | – | – | ### Use cases and capabilities | | Messageware Server Threat Guard (STG) | SubImage | |---|---|---| | Windows Security | Yes | – | | Server | Yes | – | | Zero Day | Yes | – | | Microsoft 365 | Yes | – | | Cloud Native | – | Yes | | Graph | – | Yes | | Misconfiguration | – | Yes | | Attack Paths | – | Yes | | Vulnerability Prioritization | – | Yes | | Open Source | – | Yes | | Inventory | – | Yes | | RBAC | – | Yes | | CVE | – | Yes | | Visibility | – | Yes | ### Core features **Messageware Server Threat Guard (STG)** 10 features listed. Sign in on the page to see them. **SubImage** 10 features listed. Sign in on the page to see them. ### Integrations **Messageware Server Threat Guard (STG)** 1 integration listed. Sign in on the page to see them. **SubImage** 31 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Messageware Server Threat Guard (STG)](https://cybersectools.com/tools/messageware-server-threat-guard-stg) fits if you need to run it on your own servers. - [SubImage](https://cybersectools.com/tools/subimage) fits if you need both cloud and on-premises options. ## Messageware Server Threat Guard (STG) vs SubImage FAQ Common questions when comparing Messageware Server Threat Guard (STG) vs SubImage for workload protection. ### What is the difference between Messageware Server Threat Guard (STG) and SubImage? **Messageware Server Threat Guard (STG)**: Real-time threat detection & health monitoring for Windows/Exchange servers. Built by Messageware. **SubImage**: Agentless CNAPP that maps cloud/SaaS/on-prem assets into a queryable security graph. Built by SubImage. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Messageware Server Threat Guard (STG) and SubImage? **Messageware Server Threat Guard (STG)** is made by Messageware. **SubImage** is made by SubImage. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Messageware Server Threat Guard (STG) a good alternative to SubImage? In part. Messageware Server Threat Guard (STG) and SubImage are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Messageware Server Threat Guard (STG) vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-messageware-server-threat-guard-stg) - [Messageware Server Threat Guard (STG) vs Bitdefender GravityZone Cloud and Server Security](https://cybersectools.com/compare/bitdefender-gravityzone-cloud-and-server-security-vs-messageware-server-threat-guard-stg) - [Messageware Server Threat Guard (STG) vs PC Matic Server Security](https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-pc-matic-server-security) - [SubImage vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-subimage) - [SubImage vs Bitdefender GravityZone Cloud and Server Security](https://cybersectools.com/compare/bitdefender-gravityzone-cloud-and-server-security-vs-subimage) - [SubImage vs PC Matic Server Security](https://cybersectools.com/compare/pc-matic-server-security-vs-subimage) ## Alternatives to each - [See all Messageware Server Threat Guard (STG) alternatives](https://cybersectools.com/alternatives/messageware-server-threat-guard-stg) - [See all SubImage alternatives](https://cybersectools.com/alternatives/subimage) --- Source: https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-subimage For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/messageware-server-threat-guard-stg.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Messageware Server Threat Guard (STG) and SubImage: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md