CrowdSec Security Stack is a free intrusion detection and prevention systems solution by CrowdSec. threatER is a commercial intrusion detection and prevention systems solution by threatER. Features, integrations, deployment and the company behind each one, side by side.
Open source crowd-powered IDS/IPS and WAF for infra & app security.
Preemptive threat blocking platform using IP segmentation and DNS security.
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Based on what each listing shows: deployment, company size, price and open source.
CrowdSec Security Stack fits if you need both cloud and on-premises options and you need a free product.
threatER fits if you want a cloud product.
Common questions when comparing CrowdSec Security Stack vs threatER for intrusion detection and prevention systems.
CrowdSec Security Stack: Open source crowd-powered IDS/IPS and WAF for infra & app security. Built by CrowdSec.
threatER: Preemptive threat blocking platform using IP segmentation and DNS security. Built by threatER.
The table above shows where their features, integrations, deployment and company size fit differ.
CrowdSec Security Stack is made by CrowdSec. threatER is made by threatER. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. CrowdSec Security Stack and threatER are both Intrusion Detection and Prevention Systems products. Key differences: CrowdSec Security Stack is Free while threatER is Commercial. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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