IPsum is a free threat intel feeds solution. Sec1 ZeroDefender is a commercial threat intel feeds solution by Sec1. Features, integrations, deployment and the company behind each one, side by side.
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VisitDaily feed of bad IPs with blacklist hit scores for cybersecurity professionals to stay informed about malicious IP addresses.
Real-time zero-day vulnerability detection and alerting platform
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Based on what each listing shows: deployment, company size, price and open source.
IPsum fits if you need a free product and you want an open-source product.
Common questions when comparing IPsum vs Sec1 ZeroDefender for threat intel feeds.
IPsum: Daily feed of bad IPs with blacklist hit scores for cybersecurity professionals to stay informed about malicious IP addresses.
Sec1 ZeroDefender: Real-time zero-day vulnerability detection and alerting platform, built by Sec1.
The table above shows where their features, integrations, deployment and company size fit differ.
IPsum is open-source with 2,213 GitHub stars. Sec1 ZeroDefender is made by Sec1. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. IPsum and Sec1 ZeroDefender are both Threat Intel Feeds products. Key differences: IPsum is Free while Sec1 ZeroDefender is Commercial, IPsum is open-source. Use the table above to see where features, deployment and company size fit differ.
No Threat Intel Feeds shortlist yet. This is the closest one.
Updated 2026-11-01
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