Side by side
Microsoft Defender for Business vs OTDefend
Both stand on ot and ics security monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial AndroidAPIiPhone+2
Visit Microsoft Defender for Business Free trial APILinuxSelf-hosted+2
OTDefend combines passive network inspection with host events, threat-intelligence matching, and compliance reporting for industrial environments. Its deployment choices and integrations span several operating contexts, while pricing and emergency support terms require a direct inquiry.
Visit OTDefendThe facts
| Microsoft Defender for Business | OTDefend | |
|---|---|---|
| Free plan | A free trial | Not published |
| Open source | Not published | Not published |
| Runs on | Android, API, iPhone, Mac, Windows | API, Linux, Self-hosted, Web, Windows |
| Lowest paid plan | See the plans | Free or on request |
| Plans published | 3 | 1 |
| Maker | Microsoft Defender for Business | Not published |
| Website | microsoft.com | otdefend.com |
| On ot and ics security monitoring software | #2 of 21 | #6 of 21 |
Microsoft Defender for Business: what it does well
OTDefend: what it does well
- Passive inspection covers more than 16 industrial protocols
- Windows agent supports Windows XP through Windows 11
- Deployment options include offline Docker and bootable ISO
- Free personalized demo and consultation offered
What to know first
- Pricing is available on request
- Emergency 24/7 support depends on the support plan
- Technical support hours are listed as Monday–Friday
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