# Messageware Server Threat Guard (STG) vs Zentara AVAS: 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). [Zentara AVAS](https://cybersectools.com/tools/zentara-avas) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Zentara](https://cybersectools.com/companies/zentara). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Messageware Server Threat Guard (STG) | Zentara AVAS | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Workload Protection | Vulnerability Assessment | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Messageware | Zentara | | Headquarters | – | – | ### Use cases and capabilities | | Messageware Server Threat Guard (STG) | Zentara AVAS | |---|---|---| | Windows Security | Yes | – | | Server | Yes | – | | Zero Day | Yes | Yes | | Microsoft 365 | Yes | – | | CVE | – | Yes | | Vulnerability | – | Yes | | Vulnerability Prioritization | – | Yes | | Natural Language Processing | – | Yes | | Security Scanning | – | Yes | | OWASP | – | Yes | | NIST | – | Yes | | Cloud Native | – | Yes | | Threat Analysis | – | Yes | ### Core features **Messageware Server Threat Guard (STG)** 10 features listed. Sign in on the page to see them. **Zentara AVAS** 1 feature 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. **Zentara AVAS** 3 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. - [Zentara AVAS](https://cybersectools.com/tools/zentara-avas) fits if you want a cloud product. ## Messageware Server Threat Guard (STG) vs Zentara AVAS FAQ Common questions when comparing Messageware Server Threat Guard (STG) vs Zentara AVAS for workload protection. ### What is the difference between Messageware Server Threat Guard (STG) and Zentara AVAS? **Messageware Server Threat Guard (STG)**: Real-time threat detection & health monitoring for Windows/Exchange servers. Built by Messageware. **Zentara AVAS**: Built by Zentara. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Messageware Server Threat Guard (STG) and Zentara AVAS? **Messageware Server Threat Guard (STG)** is made by Messageware. **Zentara AVAS** is made by Zentara. 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 Zentara AVAS? In part. Messageware Server Threat Guard (STG) and Zentara AVAS are not in the same category on CybersecTools. Both cover Zero Day. 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) - [Zentara AVAS vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-zentara-avas) - [Zentara AVAS vs Bitdefender GravityZone Cloud and Server Security](https://cybersectools.com/compare/bitdefender-gravityzone-cloud-and-server-security-vs-zentara-avas) - [Zentara AVAS vs PC Matic Server Security](https://cybersectools.com/compare/pc-matic-server-security-vs-zentara-avas) ## Alternatives to each - [See all Messageware Server Threat Guard (STG) alternatives](https://cybersectools.com/alternatives/messageware-server-threat-guard-stg) - [See all Zentara AVAS alternatives](https://cybersectools.com/alternatives/zentara-avas) --- Source: https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-zentara-avas 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 Zentara AVAS: 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