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Saving Resources with CrowdSec
Guest Post

Saving Resources with CrowdSec

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.

Suricata vs CrowdSec
Tutorial

Suricata vs CrowdSec

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

How to process 2.6 billion daily events with CrowdSec?
Use Case

How to process 2.6 billion daily events with CrowdSec?

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.

CrowdSec is going to Black Hat 2022: come say hello and win prizes
Announcement

CrowdSec is going to Black Hat 2022: come say hello and win prizes

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.

Announcing CrowdSec 1.4: what’s new?
Product Updates

Announcing CrowdSec 1.4: what’s new?

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.

Installing and configuring CrowdSec into Cloudflare
Tutorial

Installing and configuring CrowdSec into Cloudflare

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 […]

Integrating CrowdSec with Firewall appliances
Tutorial

Integrating CrowdSec with Firewall appliances

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 […]

CrowdWall, a tough Firewall for 50€ – Part 3: set up a canary device with CrowdSec
Tutorial

CrowdWall, a tough Firewall for 50€ – Part 3: set up a canary device with CrowdSec

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 Attack Mitigation using CrowdSec
Tutorial

DDoS Attack Mitigation using CrowdSec

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.

How to monitor cyber threats on your servers with CrowdSec Console
Tutorial

How to monitor cyber threats on your servers with CrowdSec Console

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.

CrowdWall, a Tough Firewall for 50€ – Part 2: The Software Stack
Tutorial

CrowdWall, a Tough Firewall for 50€ – Part 2: The Software Stack

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 […]

Hackers Without Borders and CrowdSec sign a partnership to serve civil society
Announcement

Hackers Without Borders and CrowdSec sign a partnership to serve civil society

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 […]

CrowdSec – not your typical Fail2Ban clone
CrowdSec

CrowdSec – not your typical Fail2Ban clone

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 […]

Crowdsourcing Cybersecurity Intelligence To Secure Society
CrowdSec

Crowdsourcing Cybersecurity Intelligence To Secure Society

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 […]

CrowdWall: a Tough Firewall for 50€ – Part 1
Tutorial

CrowdWall: a Tough Firewall for 50€ – Part 1

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 […]

CrowdSec becomes an official OPNsense® partner
Announcement

CrowdSec becomes an official OPNsense® partner

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 […]

How to mitigate security threats with CrowdSec in Kubernetes using Traefik
Tutorial

How to mitigate security threats with CrowdSec in Kubernetes using Traefik

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 […]

From blocking web crawlers to becoming a CrowdSec ambassador
Inside CrowdSec

From blocking web crawlers to becoming a CrowdSec ambassador

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, […]

CrowdSec joins the Alliance for Digital Trust (ACN)
Announcement

CrowdSec joins the Alliance for Digital Trust (ACN)

CrowdSec is now a proud member of the Alliance for Digital Trust (ACN – Alliance pour la Confiance Numérique). The Alliance pour la Confiance Numérique (ACN – Alliance for Digital Trust) represents organizations (world leaders, SMEs, and mid-sized enterprises) in the digital economy, particularly those specializing in cybersecurity, digital identity, and artificial intelligence. The ACN […]

How to secure your Raspberry Pi OS with CrowdSec
Tutorial

How to secure your Raspberry Pi OS with CrowdSec

In this article, I’ll describe how to install the CrowdSec agent and the firewall bouncer directly on Raspberry Pi OS and convert it into a sort of honeypot using endlessh (an ssh tarpit) and a web server which only purpose is for CrowdSec to detect attacks in its logfiles. Raspberry Pi is a perfect device […]

Install and secure your NextCloud server with CrowdSec
Tutorial

Install and secure your NextCloud server with CrowdSec

In this tutorial, we will cover installing and securing a Nextcloud instance with the CrowdSec software. Nextcloud is an extensible collaborative drive tool to replace traditional office suites and drives. (GSuite and Microsoft 365). The focus is on privacy with an easily self-hosting tool. CrowdSec is a collaborative security solution based on the principle of analysis and the correlation […]