# Messageware Server Threat Guard (STG) vs Total Defense Internet Security: 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). [Total Defense Internet Security](https://cybersectools.com/tools/total-defense-internet-security) is a commercial [endpoint protection platform](https://cybersectools.com/categories/epp) solution by [Total Defense](https://cybersectools.com/companies/total-defense). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Messageware Server Threat Guard (STG) | Total Defense Internet Security | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Workload Protection | Endpoint Protection Platform | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | Startup | | Company | Messageware | Total Defense | | Headquarters | – | – | ### Use cases and capabilities | | Messageware Server Threat Guard (STG) | Total Defense Internet Security | |---|---|---| | Windows Security | Yes | Yes | | Server | Yes | – | | Zero Day | Yes | – | | Microsoft 365 | Yes | – | | Ransomware Prevention | – | Yes | | macOS | – | Yes | | Android Security | – | Yes | ### Core features **Messageware Server Threat Guard (STG)** 10 features listed. Sign in on the page to see them. **Total Defense Internet Security** 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. **Total Defense Internet Security** No integrations listed. ## 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 and you are a small business or a mid-market company or an enterprise. - [Total Defense Internet Security](https://cybersectools.com/tools/total-defense-internet-security) fits if you want a cloud product and you are a startup. ## Messageware Server Threat Guard (STG) vs Total Defense Internet Security FAQ Common questions when comparing Messageware Server Threat Guard (STG) vs Total Defense Internet Security for workload protection. ### What is the difference between Messageware Server Threat Guard (STG) and Total Defense Internet Security? **Messageware Server Threat Guard (STG)**: Real-time threat detection & health monitoring for Windows/Exchange servers. Built by Messageware. **Total Defense Internet Security**: Consumer antivirus & internet security suite for PCs, Macs, and mobiles. Built by Total Defense. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Messageware Server Threat Guard (STG) and Total Defense Internet Security? **Messageware Server Threat Guard (STG)** is made by Messageware. **Total Defense Internet Security** is made by Total Defense. 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 Total Defense Internet Security? In part. Messageware Server Threat Guard (STG) and Total Defense Internet Security are not in the same category on CybersecTools. Both cover Windows Security. 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 PC Matic Server Security](https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-pc-matic-server-security) - [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) - [Total Defense Internet Security vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-total-defense-internet-security) - [Total Defense Internet Security vs PC Matic Server Security](https://cybersectools.com/compare/pc-matic-server-security-vs-total-defense-internet-security) - [Total Defense Internet Security vs Bitdefender GravityZone Cloud and Server Security](https://cybersectools.com/compare/bitdefender-gravityzone-cloud-and-server-security-vs-total-defense-internet-security) ## Alternatives to each - [See all Messageware Server Threat Guard (STG) alternatives](https://cybersectools.com/alternatives/messageware-server-threat-guard-stg) - [See all Total Defense Internet Security alternatives](https://cybersectools.com/alternatives/total-defense-internet-security) --- Source: https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-total-defense-internet-security For AI agents: 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 Total Defense Internet Security: 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