We just released the HAProxy Bouncer which brings you features such as support of Stream Mode, captcha remediations (reCaptcha V2), ban template and redirection location. Discover all about this new feature and use the guide provided to install the bouncer.

We are happy to announce that CrowdSec has closed a €14M Series A round led by Supernova Invest and accompanied by CrowdSec’s historic investor, Breega. Our ambition with this round is to combat cybercrime by strengthening our position as the world’s largest crowdsourced CTI network in the world.

In the article we discuss how we quickly implemented a CrowdSec bouncer into MeshCentral, a NodeJS/ExpressJS application by using the CrowdSec-provided express-bouncer package on NPM as a starting point.

CrowdSec is not just about security. As it turns out, if you’re able to block attacks so your server doesn’t have to deal with them, you’ll also save CPU as this article will show you.

Check how to combine Suricata and CrowdSec for a better security of your assets.

At CrowdSec, we like challenges. And one of them is high logs volume processing to protect web infrastructures with larger traffic. In this article, we will see how to achieve high performance in log processing and push limits with horizontal scaling.

Las Vegas in August is the best place to meet almost every cybersecurity professional or a company rep, thanks to 3 significant events happening over one week. This year CrowdSec is going to Vegas; read the article to learn why it is important to us and why you might want to meet us there.

We are very happy to announce the release of CrowdSec 1.4: Windows support, client authentication via certificates, dynamic decision time, easier configuration, and a ton of improvements. Check out what’s new in this article.

Cloudflare is a CDN (a global network for distributing web content) that provides various services that among other things allow you to manage DNS zones, distribute web content, secure applications and infrastructure. There are several subscription types available. Today I will show what is achievable using Cloud flare’s free plan. CrowdSec is a FOSS security […]

The majority of modern IT infrastructures already includes some form of the security appliance. Our users requested some way to integrate CrowdSec at the appliance level, within their pre-existing ecosystem. In this article, we’ll show you how to make it happen, using the new crowdsec-blocklist-mirror component.   Overview Leveraging the firewall’s ability to pull IP blocklists […]

Welcome to the third and final part of our trilogy where the goal is to inspire and show you how to create a very efficient firewall to secure home network or your small business, which offers a serious level of security, at low cost. The first part focuses on selecting hardware and installing the base […]

DDoS attacks are a very popular way for cybercriminals to attack you to hurt you or your business. Depending on which kind of DDoS attack we’re talking about, CrowdSec may be able to help you out.

This article covers CrowdSec Console, a web interface with actionable data to visually explore threats, alerts, and remediation decisions. See how to get started with CrowdSec Console and get an instant overview of any IP suspicious activity on your services.

Welcome to the second part of our trilogy where the goal is to inspire you to create a very efficient firewall to protect your remote work environment, family, or your small business, which offers a serious level of security, at a low cost. Have you not yet read the first part that focuses on selecting […]

Geneva, June 14, 2022 – The NGO Hackers Without Borders (HWB) has just signed a promising partnership with CrowdSec, the editor of an open-source cyber defense solution. This partnership aims to make security accessible to the largest number of people by offering a more modern and collaborative approach thanks to an open-source tool (under MIT […]

Fail2Ban is great! While it’s not wrong that CrowdSec can be used as an alternative to Fail2Ban for ssh brute force protection, it’s not the entire truth either. Don’t get me wrong; Fail2Ban is a fantastic tool to enable. Without Fail2Ban there wouldn’t have been any CrowdSec either. The majority of CrowdSec’s founders used to […]

Follow this conversation on the value of investing in the security knowledge sharing economy. This profound yet fun discussion explores the power of a cybersecurity community information sharing platform as a means to not only secure your business but the neighbors around you. By collaborating and sharing information about cyber threats, we can help secure […]

Welcome to the first part of our trilogy where the goal is to inspire you to create a very efficient firewall to protect your remote work environment, family, or your small business, which offers a serious level of security, at a low cost. This first part will be centered around the basics: choosing hardware and […]

OPNsense is an open-source FreeBSD firewall and routing platform with a rich set of security features and IDS/IPS software built into it that works on a network level. We see CrowdSec as a perfect supplement to OPNsense. CrowdSec is capable of protecting any internet-exposed service either running on the firewall itself or on the network […]

Introduction Previously we published 2 articles part1 & part2 covering Kubernetes Crowdsec integration with Nginx as an ingress controller. Now we will explain how to integrate Crowdsec in a k8s cluster with Traefik as an ingress controller to increase the level of security. In this article, we’ll set up a k8s cluster locally using Kind […]

Bennet also works at Esyoil where they are actively using CrowdSec in their production environment as he will explain in the interview. Actually, Bennet first reached out to us with suggestions for improvement but then ended up liking CrowdSec so much that he enrolled as an ambassador. We’re very happy about that and for everything, […]