# Messageware Server Threat Guard (STG) alternatives and competitors (2026) The closest Messageware Server Threat Guard (STG) alternatives are [ESET Server Security](https://cybersectools.com/tools/eset-server-security), [PC Matic Server Security](https://cybersectools.com/tools/pc-matic-server-security) and [Bitdefender GravityZone Cloud and Server Security](https://cybersectools.com/tools/bitdefender-gravityzone-cloud-and-server-security). Picking a Messageware Server Threat Guard (STG) alternative comes down to fit: Workload Protection coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it. 23 alternatives. Closest matches: ESET Server Security, PC Matic Server Security, Bitdefender GravityZone Cloud and Server Security. ## The product [Messageware Server Threat Guard (STG)](https://cybersectools.com/tools/messageware-server-threat-guard-stg) by Messageware Real-time threat detection & health monitoring for Windows/Exchange servers. Category: [Endpoint Security](https://cybersectools.com/categories/endpoint-security) · Pricing model: Commercial ## Messageware Server Threat Guard (STG) alternatives and competitors Messageware Server Threat Guard (STG) is a commercial [Workload Protection](https://cybersectools.com/categories/workload-protection) solution made by Messageware. The closest matches by shared tags and NIST CSF 2.0 coverage are [ESET Server Security](https://cybersectools.com/tools/eset-server-security), [PC Matic Server Security](https://cybersectools.com/tools/pc-matic-server-security), [Bitdefender GravityZone Cloud and Server Security](https://cybersectools.com/tools/bitdefender-gravityzone-cloud-and-server-security), [Monarx](https://cybersectools.com/tools/monarx), and [BitNinja Server Security Platform](https://cybersectools.com/tools/bitninja-server-security-platform). All 23 alternatives on this page are ranked the same way. ## The closest Messageware Server Threat Guard (STG) alternatives These 8 solutions overlap most with Messageware Server Threat Guard (STG). Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [ESET Server Security](https://cybersectools.com/tools/eset-server-security) Server security solution protecting file servers, SharePoint, and Linux systems [Workload Protection](https://cybersectools.com/categories/workload-protection) · Commercial Key features: 10 listed. See them on the [ESET Server Security page](https://cybersectools.com/tools/eset-server-security#features). [ESET Server Security alternatives](https://cybersectools.com/alternatives/eset-server-security) · [Messageware Server Threat Guard (STG) vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-messageware-server-threat-guard-stg) ### 2. [PC Matic Server Security](https://cybersectools.com/tools/pc-matic-server-security) Zero trust app allowlisting-based server endpoint protection for Windows. [Workload Protection](https://cybersectools.com/categories/workload-protection) · Commercial Key features: 10 listed. See them on the [PC Matic Server Security page](https://cybersectools.com/tools/pc-matic-server-security#features). [PC Matic Server Security alternatives](https://cybersectools.com/alternatives/pc-matic-server-security) · [Messageware Server Threat Guard (STG) vs PC Matic Server Security](https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-pc-matic-server-security) ### 3. [Bitdefender GravityZone Cloud and Server Security](https://cybersectools.com/tools/bitdefender-gravityzone-cloud-and-server-security) Cloud and server security for hybrid and multi-cloud workload protection [Workload Protection](https://cybersectools.com/categories/workload-protection) · Commercial Key features: 10 listed. See them on the [Bitdefender GravityZone Cloud and Server Security page](https://cybersectools.com/tools/bitdefender-gravityzone-cloud-and-server-security#features). [Bitdefender GravityZone Cloud and Server Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-cloud-and-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) ### 4. [Monarx](https://cybersectools.com/tools/monarx) Web hosting security platform for threat detection, removal, and protection [Workload Protection](https://cybersectools.com/categories/workload-protection) · Commercial Key features: 8 listed. See them on the [Monarx page](https://cybersectools.com/tools/monarx#features). [Monarx alternatives](https://cybersectools.com/alternatives/monarx) · [Messageware Server Threat Guard (STG) vs Monarx](https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-monarx) ### 5. [BitNinja Server Security Platform](https://cybersectools.com/tools/bitninja-server-security-platform) Full-stack Linux server security platform for shared hosting providers. [Workload Protection](https://cybersectools.com/categories/workload-protection) · Commercial Key features: 8 listed. See them on the [BitNinja Server Security Platform page](https://cybersectools.com/tools/bitninja-server-security-platform#features). [BitNinja Server Security Platform alternatives](https://cybersectools.com/alternatives/bitninja-server-security-platform) · [Messageware Server Threat Guard (STG) vs BitNinja Server Security Platform](https://cybersectools.com/compare/bitninja-server-security-platform-vs-messageware-server-threat-guard-stg) ### 6. [Codenotary Guardian](https://cybersectools.com/tools/codenotary-guardian) AI-powered Linux system protection with auto-remediation and compliance [Workload Protection](https://cybersectools.com/categories/workload-protection) · Commercial Key features: 10 listed. See them on the [Codenotary Guardian page](https://cybersectools.com/tools/codenotary-guardian#features). [Codenotary Guardian alternatives](https://cybersectools.com/alternatives/codenotary-guardian) · [Messageware Server Threat Guard (STG) vs Codenotary Guardian](https://cybersectools.com/compare/codenotary-guardian-vs-messageware-server-threat-guard-stg) ### 7. [Atomicorp Atomic OSSEC](https://cybersectools.com/tools/atomicorp-atomic-ossec) Centralized AV/antimalware XDR platform for server & cloud workloads. [Workload Protection](https://cybersectools.com/categories/workload-protection) · Commercial Key features: 10 listed. See them on the [Atomicorp Atomic OSSEC page](https://cybersectools.com/tools/atomicorp-atomic-ossec#features). [Atomicorp Atomic OSSEC alternatives](https://cybersectools.com/alternatives/atomicorp-atomic-ossec) · [Messageware Server Threat Guard (STG) vs Atomicorp Atomic OSSEC](https://cybersectools.com/compare/atomicorp-atomic-ossec-vs-messageware-server-threat-guard-stg) ### 8. [CalCom Hardening Suite (CHS)](https://cybersectools.com/tools/calcom-hardening-suite-chs) Automates server hardening with zero-downtime policy enforcement for Windows & Linux. [Workload Protection](https://cybersectools.com/categories/workload-protection) · Commercial Key features: 9 listed. See them on the [CalCom Hardening Suite (CHS) page](https://cybersectools.com/tools/calcom-hardening-suite-chs#features). [CalCom Hardening Suite (CHS) alternatives](https://cybersectools.com/alternatives/calcom-hardening-suite-chs) · [Messageware Server Threat Guard (STG) vs CalCom Hardening Suite (CHS)](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-messageware-server-threat-guard-stg) ## All 23 products like Messageware Server Threat Guard (STG) The 8 above, plus: - [Invary Runtime Integrity Solution](https://cybersectools.com/tools/invary-runtime-integrity-solution): Kernel-level runtime integrity verification using NSA-licensed technology. (Commercial) - [IonX Verisys FIM](https://cybersectools.com/tools/ionx-verisys-fim): File integrity monitoring for Windows, Linux & network devices (Commercial) - [Aqua Security Cloud VM Security](https://cybersectools.com/tools/aqua-security-cloud-vm-security): VM security for cloud environments with compliance, runtime protection & monitoring (Commercial) - [Datadog Workload Protection](https://cybersectools.com/tools/datadog-workload-protection): Runtime workload protection for cloud and containerized environments (Commercial) - [BullWall Server Intrusion Protection](https://cybersectools.com/tools/bullwall-server-intrusion-protection): MFA-based RDP protection for servers to prevent ransomware intrusions. (Commercial) - [AI EdgeLabs Platform](https://cybersectools.com/tools/ai-edgelabs-platform): AI-native runtime security platform for edge, GPU & Kubernetes workloads. (Commercial) - [Kerys YS::Desktop](https://cybersectools.com/tools/kerys-ysdesktop): Secure virtualization platform for isolating Windows/Linux VMs (Commercial) - [Vali Cyber ZeroLock](https://cybersectools.com/tools/vali-cyber-zerolock): Linux security platform for federal/national security environments (Commercial) - [Trend Micro Deep Security](https://cybersectools.com/tools/trend-micro-deep-security): Runtime security for physical, virtual, cloud, and container workloads (Commercial) - [Remedio Smart Device Hardening](https://cybersectools.com/tools/gytpol-smart-device-hardening): Automated device hardening and configuration management platform (Commercial) - [Virsec OTTOGUARD.AI](https://cybersectools.com/tools/virsec-ottoguardai-jrx0s): Autonomous workload protection platform with patchless vulnerability mitigation (Commercial) - [Senteon Zero Trust Configurations](https://cybersectools.com/tools/senteon-zero-trust-configurations): Automates endpoint hardening & compliance with CIS & regulatory benchmarks (Commercial) - [ClearVector Sensor](https://cybersectools.com/tools/clearvector-sensor): Runtime detection sensor for container & cloud workload identity attribution (Commercial) - [CimTrak CCR](https://cybersectools.com/tools/cimtrak-ccr): Automates system hardening against CIS Benchmarks and DISA STIGs. (Commercial) - [Cyntegra Cyber Resilience](https://cybersectools.com/tools/cyntegra-cyber-resilience): Endpoint recovery solution that restores systems in minutes after cyber attacks (Commercial) ## Alternatives to each of these [ESET Server Security alternatives](https://cybersectools.com/alternatives/eset-server-security) · [PC Matic Server Security alternatives](https://cybersectools.com/alternatives/pc-matic-server-security) · [Bitdefender GravityZone Cloud and Server Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-cloud-and-server-security) · [Monarx alternatives](https://cybersectools.com/alternatives/monarx) · [BitNinja Server Security Platform alternatives](https://cybersectools.com/alternatives/bitninja-server-security-platform) · [Codenotary Guardian alternatives](https://cybersectools.com/alternatives/codenotary-guardian) · [Atomicorp Atomic OSSEC alternatives](https://cybersectools.com/alternatives/atomicorp-atomic-ossec) · [CalCom Hardening Suite (CHS) alternatives](https://cybersectools.com/alternatives/calcom-hardening-suite-chs) · [Invary Runtime Integrity Solution alternatives](https://cybersectools.com/alternatives/invary-runtime-integrity-solution) · [IonX Verisys FIM alternatives](https://cybersectools.com/alternatives/ionx-verisys-fim) · [Aqua Security Cloud VM Security alternatives](https://cybersectools.com/alternatives/aqua-security-cloud-vm-security) · [Datadog Workload Protection alternatives](https://cybersectools.com/alternatives/datadog-workload-protection) ## Other Messageware products [Messageware AttachView alternatives](https://cybersectools.com/alternatives/messageware-attachview) · [Messageware EPG alternatives](https://cybersectools.com/alternatives/messageware-epg) · [Messageware NavGuard alternatives](https://cybersectools.com/alternatives/messageware-navguard) · [Messageware OWA Guard alternatives](https://cybersectools.com/alternatives/messageware-owa-guard) ## Compare Messageware Server Threat Guard (STG) with - [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) - [Messageware Server Threat Guard (STG) vs Monarx](https://cybersectools.com/compare/messageware-server-threat-guard-stg-vs-monarx) - [Messageware Server Threat Guard (STG) vs BitNinja Server Security Platform](https://cybersectools.com/compare/bitninja-server-security-platform-vs-messageware-server-threat-guard-stg) - [Messageware Server Threat Guard (STG) vs Codenotary Guardian](https://cybersectools.com/compare/codenotary-guardian-vs-messageware-server-threat-guard-stg) - [Messageware Server Threat Guard (STG) vs Atomicorp Atomic OSSEC](https://cybersectools.com/compare/atomicorp-atomic-ossec-vs-messageware-server-threat-guard-stg) - [Messageware Server Threat Guard (STG) vs CalCom Hardening Suite (CHS)](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-messageware-server-threat-guard-stg) ## Messageware Server Threat Guard (STG) Alternatives FAQ ### What are the closest alternatives to Messageware Server Threat Guard (STG)? The closest matches to Messageware Server Threat Guard (STG) by shared tags and NIST CSF 2.0 coverage are ESET Server Security, PC Matic Server Security, Bitdefender GravityZone Cloud and Server Security, Monarx, and BitNinja Server Security Platform. All of them are Workload Protection products. ### How many alternatives to Messageware Server Threat Guard (STG) are available? This page shows 23 alternatives to Messageware Server Threat Guard (STG), all in the Workload Protection category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first. ### Is Messageware Server Threat Guard (STG) free or commercial? Messageware Server Threat Guard (STG) is a commercial Workload Protection product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free. ### What type of solution is Messageware Server Threat Guard (STG)? Messageware Server Threat Guard (STG) is a Workload Protection product in the Endpoint Security category. You can compare it with the 23 other Workload Protection products on this page. --- Source: https://cybersectools.com/alternatives/messageware-server-threat-guard-stg For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on Messageware Server Threat Guard (STG) and its alternatives: 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=alternatives-md