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Block Mass Exploitation Attempts Before They Reach Your Perimeter

Get immediate protection against active malicious IPs with CrowdSec’s actionable and real-time Blocklists.

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Not Just Another Blocklist

Blocklists are often treated with a certain degree of skepticism by cybersecurity professionals.

Overblocking IPs?

High False Positives?

No VPN/Residential Proxy Detection?

Infrequent Updates?

We hear you.

And what if we told you that not all blocklists are the same?

We Guarantee

Zero False Positives
Safeguarded Against Data Poisoning
5% Daily IP Rotation on Average

You Get the Benefits

Reduce server load & egress costs to dedicate your resources to serving your customers instead of your attackers.

Maximize the efficiency of your Security Operations Center to reduce alert fatigue and incident response costs.

Stop bad actors before they reach your infrastructure to effectively prevent data breaches & minimize downtime.

How We Know Our Blocklists are Unique

We collect real-life data from real- users, real servers, in real production environments

We collect highly diversified data from 70,000+ active users in more than 190 countries.

We shield our data against false positives and poisoning using a combination of methods

We update our blocklist in real time and at top priority with an average of 5% daily rotation.

Wondering How We Collect, Analyze, and Curate Data?

Learn more about our data

Discover the Crowd-Powered Intelligence
of the CrowdSec Blocklists

Blocking Unwanted IPs vs. Blocking Unwanted Behaviors

Blocking any and all aggressive IPs is a solid option. But blocking IPs based on unwanted behaviors that have the potential to harm your infrastructure, gives you greater flexibility and targeted protection for your perimeter.

WordPress Blocklist

Contains IPs known for attacking WordPress environments. If you are using WordPress for your business or eCommerce website (WooCommerce), it is a safe bet that proactively blocking these IPs will save you from a lot of trouble.

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Botnet/DDoS Blocklist

Contains IPs that have been identified as being part of a botnet, often seen in mass- scale attacks, such as Distributed Denial of Service. Proactively block these IPs for an overall safer perimeter.

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VPN/Residential Proxies Blocklist

Contains IPs that have been identified by our AI-powered data analysis as VPN or residential proxy users, often seen performing scalping and generic fraud actions. Proactively block these IPs if you do not want these users reaching your infrastructure.

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CrowdSec Intelligence Blocklist

Contains all IPs in our database that have been identified as actively aggressive, performing a wide variety of attacks. Proactively block these IPs if you don’t want to take any chances with malicious IPs potentially reaching your systems.

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Custom Blocklists

Do you need custom blocklists for specific use cases?

We work with you to make sure you have the intelligence you need to safeguard your services.

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Get Started in 4 Simple Steps

Reaping the benefits of proactive security without having to change a thing to your existing infrastructure is one of the biggest advantages of the CrowdSec Blocklists.


Subscribe to the blocklist you need


Grab your private URL or API key for the selected blocklist


Implement the CrowdSec Blocklist as an automated blocking rule in your existing firewall or CDN

All Set — Now enjoy an immediate 80% reduction in security alerts!

Use the CrowdSec Blocklists with Any Firewall or CDN

The CrowdSec Blocklists integrate with a large number of tools, making
you security ecosystem more powerful and efficient.