CrowdSec is a CTI tool leveraging crowdsourced data to identify and block malevolent IPs in real time worldwide. Join our Discord: discord.gg/crowdsec

List of IP addresses exploiting the #log4j #CVE-2021-44228 vulnerability, as reported by our network. (Updated several time/day). Courtesy of the CrowdSec community. gist.github.com/blotus/f87ed… Stay safe.
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Something is cooking...Stay tuned 😉 #Windows
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CrowdSec, the crowd-powered and open-source #cybersecurity solution. Join the community and protect your assets and peers by leveraging unmatched behavior & reputation engines. Let’s have each other’s backs and make the Internet safer together. #infosecurity #opensource #linux
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⚠️ Update on CVE-2023-4911: #LooneyTunables Vulnerability. A new scenario is available to address the #Linux #vulnerability found in glibc’s dynamic loader. Direct access here hub.crowdsec.net/author/crow… Stay tuned. More updates soon.
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Proud to announce a €14M Series A round led by @SupernovaInvest and joined by @BreegaVC. This is a big step forward in our goal of combating cybercrime and positioning ourselves as the world’s largest crowdsourced CTI network 🚀 👉 crowdsec.net/blog/crowdsec-a… #CyberSecurity
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The CrowdSec web console, although still in beta, is now available to all. And it comes with a brand new feature: the visualizer 📡 Take a quick video tour below to discover its next-level observability capabilities. Wanna sign up? 👉 crowdsec.net/crowdsec-consol… #infosec #opensource
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🎉 We're happy to announce that CrowdSec is now an official @opnsense partner! 🎉 The CrowdSec #opensource port allows users to integrate its community-generated IP blocking lists with OPNsense's firewall and set up new firewall rules. Read More 👉 crowdsec.net/blog/crowdsec-b…
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We're working on bringing CrowdSec to a new platform. Can you guess which? #QuizTime
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Today is a big day for us! 🚀 We're launching CrowdSec Console, a web app to visualize cyber threats and alerts on your CrowdSec machines, on Product Hunt! Feel free to upvote the product and leave us feedback: 👉 producthunt.com/posts/the-cr… Thank you for being part of our community!
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🎉 Yesterday, our community shared 1+ MILLION signals! 🎉 On one single day! The detection capabilities of CrowdSec are now growing exponentially. Our users exchange threat signal data with each other daily, generating the greatest CTI network. 🚀🚀🚀 Join Us! #CyberSecurity
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191.232.38.25 159.65.155.208 128.199.222.221 147.182.216.21 20.205.104.227 89.249.63.3 139.59.101.242 128.199.15.215 68.183.36.244 178.176.202.121 1.116.59.211 138.197.9.239 197.246.171.83 139.59.96.42 68.183.198.36 5.157.38.50 60.31.180.149 139.59.103.254 120.24.23.84 Drop them
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It's Black Friday today! We wanted to give you a discount. But... CrowdSec's IDS/IPS solution is totally free & open-source! Try it! bit.ly/32uklHD #CyberSecurity #BlackFriday #infosecurity
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🚨🪟 We’ve released an ALPHA version of our Windows port! It comes with a few #Windows-specific collections and a Windows Firewall bouncer. Check out the documentation on how to get started: docs.crowdsec.net/docs/next/… Feel free to share your feedback on Discord or in GitHub Issues.
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Our real-time #log4j global threat tracker is OUT! - Visualize critical data - Find out more about attackers - Access our list of spotted IPs trying to exploit the vulnerability Thank you dear community, you ROCK! ➡️Full report here: crowdsec.net/log4j-tracker/ #log4jRCE #log4jshell
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🎓We are excited to announce the launch of the #CrowdSecAcademy! 📚Your go-to online platform for comprehensive #cybersecurity resources! Gain mastery of our #opensource Security Engine, earn certifications & more. Welcome to the CrowdSec academy! academy.crowdsec.net/
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📢 Save the Date! January 27th at 12 PM EST (6 PM CET) ❗️Our first product webinar with @philippe_humeau, @klausagnoletti, and @buanzo about CrowdSec. Learn more about #opensource and collaborative #CyberSecurity. Register here: app.livestorm.co/crowdsec/cr…
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It’s @Crowd_Security 3rd anniversary! 🎉 A special thank you to our amazing #community and dedicated team. Thank you for being a part of our journey 💜 Here is a recap of what we achieved just in 2022 👇 #cybersecurity #cybersec #infosec #threatintelligence
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We are thrilled to announce the release of the CrowdSec Majority Report! 🎉 Explore global #cyberthreats, the myth of #VPN ’s popularity in cybercriminal activities, and the most accurate method of evaluating #AutonomousSystems. hubs.ly/Q01YZ4630 #cybersecurityreport
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Fail2Ban is good, CrowdSec is great 🥳 Read our latest article & find out why CrowdSec is not your typical #Fail2Ban clone 👉 crowdsec.net/blog/crowdsec-n… #CyberSecurity #opensource
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Since day 1, we are committed to providing maximum security to our solution and community. Among other actions we took, we had our code audited by the @Synacktiv team. Review the full report below 👇 crowdsec.net/2021/06/22/syna… #CyberSecurity #opensource #infosec
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Dear community, about the #log4j #log4j2 #CVE-2021-44228 vulnerability: Those IP addresses are actively scanning the vulnerability (if you use CrowdSec, they are sent to you to block them): 139.59.97.205 178.176.203.190 139.59.108.31 175.6.210.66 138.197.72.76 162.255.202.246
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We are proud to welcome Gilles Babinet (@babgi), co-President of the French National Digital Council @CNNum and EU Digital Champion for France, as a CrowdSec board member. Onwards! crowdsec.net/2021/05/11/gill…
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If you already use CrowdSec, see how to detect and block #log4j exploitation attempts in 40 seconds. #log4jRCE #log4jshell #opensource
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CrowdSec, the next-gen community-powered and open source #cybersecurity solution. Protect yourself and your peers using our unmatched behavior & reputation engines. Let’s have each other’s back. Let’s make the Internet safer together. #opensource #infosec #infosecurity #Security
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🚀We are thrilled to announce the launch of CrowdSec Engine 1.5! This new version improves automation and reduces processing time by 300%😎 Discover more about new and enhanced capabilities here!👉 crowdsec.net/blog/crowdsec-e… #cybersecurity #infosec
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Guess who's coming to @home_assistant? 👀
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Today we're at @BSidesTirana handing out swag and talking about CrowdSec. Come by if you want some!
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We're ready at @ZeroDaysCTF in Dublin to talk about CrowdSec and hand out fancy stickers. Come see us if you're around! #swag #infosec
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We've just released CrowdSec 1.4! It comes with plenty of important updates: 🪟 Windows support ⚙️ Easier configuration management 🪄 Support for client authentication via certificates 😎 Dynamic decision time ✔️ Improved support for #IPv6 Read more here: crowdsec.net/blog/crowdsec-1…
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🚀 The CrowdSec team gathered together for a week full of workshops, brainstorming, and of course, plays and tons of fun. 🦙Today we went to an alpaca farm to hang out with these cute creatures which inspired CrowdSec’s identity. How many alpacas do you see on this picture? 😃
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Stay secured, my friends 🦙 #cybersecurity #infosec #cybersec
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Check out the latest video from @collinsinfosec featuring CrowdSec 👀 Grant had a look into the tool by simulating a low-level attack, brute-force SSH. Watch here 👇 piped.video/watch?v=J6aptrHu… #Cybersecurity #OpenSource #infosec #informationsecurity
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#FIC2021 is on! Come meet the team @ booth F16-7 or at 11.30am at the startup village for our first pitch with @Atos_Security! Have a good @FIC_eu everyone! #cybersécurité
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🏆 We did it! 🏆 CrowdSec Console finished #3 product of the day on @ProductHunt with 580 votes and hundreds of comments! Thank you to our fantastic community for supporting us during the 24h voting cycle and throughout our journey to outnumber cybercriminals! You're awesome!🥳
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All companies will keep being hacked regardless of their security budgets. A new approach is needed. For our first guest blog post, @mikko reflects on how collaboration could be the key to solving the hacking global issue. crowdsec.net/2021/07/12/coll… #opensource #infosec #Linux
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Woohoo! CrowdSec has already reached over 5000 stars on GitHub! 💫 A huge thanks goes out to the CrowdSec Community for its continued support and contribution! 🌟 github.com/crowdsecurity/cro… 🌟 #CyberSecurity #opensource #github
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The new version of the CrowdSec @nginx bouncer is out! It comes with stream mode support, reCAPTCHA v2, and more. Read our latest blog post for the full list of new features and how-to install tutorial 👇👇👇 crowdsec.net/blog/nginx-boun…
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The latest issue of @linuxpratique is out. And guess who is on the front cover? 😎 Not a hard copy kind of person? Here is the full article (🇫🇷): connect.ed-diamond.com/linux… Kudos to @humboldtux for this great piece of content. #Linux #opensource #CyberSecurity
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Want to secure your internet exposed @home_assistant against hackers but don’t know how? Search no more! We’ve just released addons for your favorite Home Automation system! Check out install instructions here 👉 github.com/crowdsecurity/hom… and here 👉 github.com/crowdsecurity/hom…
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🚀Over this year, CrowdSec blocked 1+ MILLION malicious IPs. And is now used in 120+ countries and 2K+ locations.🥳 We thank our community of #opensource enthusiasts and inspired #CyberSecurity professionals for being here with us, outnumbering cybercriminals together!💪
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CrowdSec can now secure your NGINX Proxy Manager. Read this tutorial to learn how to add an extra layer of protection to your NPM with CrowdSec. 👉 crowdsec.net/blog/crowdsec-w… #cybersecurity #OpenSource #NginxProxyManager
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📣CrowdSec Console 1.4.4 is out! ⭐ Check out our brand new IP search bar if you want insights on: ✅The type of attack the #IP is known for. ✅Background noise score. ✅#Attack details. ✅Aggressiveness. ✅Top targeted countries. piped.video/2fgPaeGcZJY #ThreatIntelligence
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How to use CrowdSec on your @traefik proxy? Check the latest video of @TechnoTimLive to find out! #traefik #cybersecurity #opensource
After the attack on some of my web services a few weeks ago, I decided to give @Crowd_Security a test drive on my @traefik proxy to add another layer of security. This might be a modern alternative to fail2ban... piped.video/watch?v=-GxUP6bN…
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Check out the latest video from @JayTheLinuxGuy on Learn Linux TV, covering: 👉 Install CrowdSec on an @nginx server 👉 Install a bouncer 👉 Unban an IP 👉 Install the @WordPress bouncer piped.video/watch?v=WXHQY90M… #Linux #CyberSecurity #tutorial
I love #CrowdSec! It's such a clever way to add another layer of security to your #Linux server. I decided to do a follow-up/updated video on it since I've been using it for a while. Check it out! piped.video/WXHQY90Ms-g @Crowd_Security
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🚀 We're thrilled to announce the launch of our new website! ❤️‍🔥 ✔️ Discover our crowd-based #cybersecurity suite ✔️ Find valuable resources ✔️ Learn about our partners ✔️ Find out about the ambassador program Check it out at 👉 crowdsec.net Let us know what you think!
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🔔Huge News! We've just released a Professional Plan for CrowdSec Console! It comes with: 👉 Extended data retention for your cyber threats 👉 Multi-user support 👉 500 IP intelligence requests per day 👉 Dedicated support service Get started for free 👉 app.crowdsec.net/?mtm_campai…
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2 months ago, we celebrated our first 1000 Console Users. Today we reached 2000 users! 🥳🥳 With the Console, you can get an instant overview of any suspicious activity on your servers, deep dive into alerts, navigate in time, filter everything! Sign up: app.crowdsec.net/product-tou…
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We are recruiting to support our growth. Want to join our gang and help us reshape #CyberSecurity? Our current job openings are right below: 👉 Software packager 👉 Web developer 👉 DevSecOps (internship) crowdsec.net/jobs/ #opensource #Linux
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Who can relate to this situation? 😂 #Cybersec #infosec #CrowdSec #HappyFriday
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📢 CrowdSec v1.1 is out! 📢 👉 New native packages & repositories for our agent and bouncers (@Debian, @Ubuntu, @RedHat, @CentOS, etc) 👉 New data sources 👉 Online console in private beta Would love to hear your feedback! crowdsec.net/2021/07/08/rele… #opensource #Linux
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🔥#CrowdSec 1.5 coming this summer! 🔥 🚀Major performance boost for high #log volume users: faster response times & reduced processing power needed. Find out more here! 👇 crowdsec.net/blog/increasing… #CyberSecurity #infosec #threatintel
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🌎 Our global roadshow has started! 🌟 CrowdSec at Hacktiv Summit in Deauville, France! 2 days full of meetings, demos, and Q&As ahead. @Republik_IT @andreamij @gaborpop #CyberSec #cybersecurite
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It's a great honor to be named a Top 10 Cybersecurity Startup at #BlackHat2021 by @cyberdefensemag as part of the #BlackUnicornAwards 🦄🦄. Congrats to our fellow winners and many thanks to the community! crowdsec.net/2021/08/05/crow… #cybersecurity #OpenSource
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✨CrowdSec Console Update✨ You asked for it and we did it! Now it’s really easy to validate many pending requests of enrolled instances. And when you have a huge stack, it saves a lot of time! 😉 Create your free account 👉 app.crowdsec.net/
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We offer the largest detection network in the world thanks to a collaborative community & being easily integrated almost anywhere. Discover 3 of our #CTIintegrations: -@TheHive_Project Cortex Analyzer -@MISPProject module -#OpenCTI connector + info👉crowdsec.net/blog/crowdsec-c…
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CrowdSec's CTO, Thibault Koechlin, presented our #opensource & collaborative #CyberSecurity solution at @FrNog today 🤩
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⚡️We're launching a trilogy of articles on how to create CrowdWall - a very efficient #firewall - to protect your home or small office at a low cost. Preserve your security & privacy using @orangepixunlong, #Netfilter, @AdGuard & CrowdSec. Read part 1👉 crowdsec.net/blog/crowdwall-…
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Secure your web applications with CrowdSec and SWAG container (Secure Web Application Gateway). Thanks, @linuxserverio, for the great tutorial! Read it here 👉linuxserver.io/blog/blocking… #CyberSecurity #opensource
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Dear community, here is an updated tutorial to make the most of our new 1.1 version: 👉 CrowdSec agent setup 👉 Testing detection capabilities 👉 Bouncer set up 👉 Observability 👉 Console preview crowdsec.net/2021/07/22/tuto… #opensource #tutorial #linux #CyberSecurity
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Brute force attacks are the most prevalent way to exploit the #LooneyTunables #vulnerability in your system. In this detailed tutorial, we show you how to use the new CrowdSec scenarios to detect exploitation attempts. hubs.ly/Q024v5lp0
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🌍🦙We're hiring technical support specialists passionate about #cybersecurity! CrowdSec is looking for technically skilled candidates with excellent troubleshooting skills to become CrowdSec gurus for our users and join our alpaca family. Find out more 👉 crowdsec.net/join-our-team/
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Switching over to #Mastodon? Follow this step-by-step guide to build your own Mastodon server on #Debian by @JayTheLinuxGuy with a step on installing CrowdSec to keep it protected! Follow the steps here👉 piped.video/watch?v=2a9YrLsE…
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🔔▶️ Catch the replay of our first online meetup with @Traefik on how to integrate CrowdSec into your #Kubernetes cluster with Traefik as an ingress controller to detect and remediate security threats. Find the replay at 👉 piped.video/watch?v=LSbB19Va… #CyberSecurity #k8s
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🍓 Secure your @Raspberry_Pi server with CrowdSec! Easily install CrowdSec on your Raspberry with precompiled packages. On top of the first layer of defense, turn your server into a #honeypot and share malicious IPs with the community! Learn more 👉 crowdsec.net/blog/how-to-sec…
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Install and secure your Nextcloud instance with CrowdSec! 🦙☁️🦙 @Nextclouders Read a new tutorial on our blog, written by CrowdSec ambassador and contributor @Sykursen 👉 👉 crowdsec.net/blog/install-an… #cybersecurity #opensource #nextcloud
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🇩🇪 🎙 Hello, German community! If you still don’t know the difference between CrowdSec and #Fail2Ban, (and why you should choose #CrowdSec 😉), be sure to check out the latest video by @dennis_schroed ! piped.video/watch?v=0lOjJd2k…
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We're thrilled to share that the CrowdSec console has reached the 1000-user milestone! With the Console, you can visualize all instances in 1 place, dig deeper into your alert data, track your threats, and more! New features are underway too. Sign up here app.crowdsec.net/product-tou…
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Analyze your servers' cold logs to check if the #log4j vulnerability (CVE-2021-44228) was exploited and when by using the appropriate scenario and the below command line:
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Registration to our first community webinar is now open! This webinar will walk you through the opportunities you have within our global #cybersecurity community, including our Ambassador Program. Join us to learn more 👇👇👇 app.livestorm.co/crowdsec/cr… #cybersecuritywebinar
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CrowdSec just reached 3,000 stars on @github. Thanks to all the amazing community for following us, contributing to our project and for embarking on this collaborative security journey with us. Bright days ahead! github.com/crowdsecurity/cro… #CyberSecurity #opensource #infosecurity

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There is only one thing that truly gives us a fright! 👻 #HappyFriday
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💥💥 CrowdSec new documentation is out! ➡️ new landing page ➡️ enhanced user journey ➡️ more sections ➡️ search bar on its way Hope you will like it. Don't hesitate to share your feedback, it means the world to us! 👉 doc.crowdsec.net/
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Here we are, at @BlackHatEvents London 🎩🇬🇧. Ready to tell you everything about collaborative security and our open-source & participative IPS. Don't miss the CrowdSec DEMO sessions: 🎙️Today at 3:40PM (Arsenal station 4) 🎙️ Tomorrow at 11AM (Arsenal station 2)
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We support the Open Source Initiative @OpenSourceOrg as a sponsor, in their mission to protect open source software and build bridges among communities. Let's organize cooperation. #opensource #cybersecurityawareness #cybersecurity crowdsec.net/2021/05/25/crow…
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You can get protected against the recent #ProxyNotShell vulnerability on Microsoft Exchange with CrowdSec. We have made available a new scenario to detect CVE-2022-41082. Just update your HTTP-CVE collection or install the IIS collection separately. hub.crowdsec.net/author/crow…
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CrowdSec v1.2.2 is out! 💥 ✔️ New cscli decisions import command to import an IP-list from JSON or CSV ✔️ Docker data source to directly read logs from a docker container Learn more in the changelog here👇github.com/crowdsecurity/cro…
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Fresh from the oven - latest @JayTheLinuxGuy's video: - CrowdSec's community response to #log4j - Running a script to determine if you are vulnerable - Installing a CrowdSec collection to boost protection from Log4Shell piped.video/watch?v=ZWHCKkA-… #CyberSecurity #log4jRCE #Linux
The Log4Shell vulnerability continues the make its way through the news, and in today's video, I'll give you some info about it, and also talk about one of the ways #CrowdSec is handling this. piped.video/ZWHCKkA-i9k
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Happy Alpacalloween! Which spooky alpaca is your favourite? Comment or retweet: 🎃jack-o-paca➡️🪓serial alpakiller➡️ 🃏 al-joker ➡️👻al-booo-paca #Halloween #spooky #alpaca
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For our first webinar in partnership with @securityblvd, our founder will share the virtual stage with @mikko Hyppönen. Did we say it was a great honor? Join us on the 15th of April! Free registration below 👇 webinars.securityboulevard.c… #Security #opensource #infosec
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🚀 Behold, Alpacas! Version 1.3.0 of CrowdSec is now released! - Support of Kinesis as a data source - Ability to push signals from custom or tainted scenarios - Bugfixes & Improvements Learn More 👉 crowdsec.net/blog/version-1-… #cybersecurity #NewRelease #opensource #infosecurity
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Last week at @OSXP_Paris, we were asked if our product was really #OpenSource. Well, yes. Under the MIT license, CrowdSec’s (IDS & IPS) solution is free & open source. You can test it by downloading it from GitHub: lnkd.in/eh4JYAeG or Packagecloud: lnkd.in/efMrRZjJ
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Quick guide on 💡How to install and configure CrowdSec on #OPNsense! 👉 bit.ly/3IALCv7 The open-source plugin enables the configuration of rules at the OPNsense #firewall level using #CrowdSec's shared list of blocked IP addresses🙅‍♀️ Safer together! 🤝
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That's not the only great thing coming to @opnsense soon. Just sayin'

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#OPNsense business edition 21.10.2 has been released. New Apache-based plugin with WAF capability and Let's Encrypt single-click support. forum.opnsense.org/index.php…
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🎙️Don’t miss the latest video by @eddiejaoude “Secure your #server with @Crowd_Security - the #OpenSource crowdsourcing tool”. He covers: ✔ How to install and setup ✔ Dashboard of security alerts ✔ Latest features in v1.5 ➕ While doing an overview of the CrowdSec Security Engine, the Console, and the CTI. Check it out! piped.video/watch?v=426FgRC2…
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Replying to @fs0c131y
Thanks @fs0c131y. Looking forward to collaborating with you and @PredictaLabOff next year!

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This is the CrowdSec team, security enthusiasts and professionals working together to reshape #cybersecurity. We’re spread all over the globe but this week we met in Spain to work, play and brainstorm together. Meaning, more innovation and protection to come! 💪
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Dear community, you are now using CrowdSec in 100+ countries and 1200+ locations. 👉 Top 3: 🇺🇸🇫🇷🇩🇪 👉 Latest newcomers: 🇬🇭🇼🇫🇰🇳 You also blocked 500,000+ malicious IPs by collaborating together. Onwards and upwards! 🚀 github.com/crowdsecurity/cro… #CyberSecurity #Opensource #Infosec
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🚀Ready for #Blackhatusa? Let’s start with the Neon Noir: The @Hacker0x01 Party! 🎉 Come & enjoy food, drinks, & meeting fellow #cybersecurity enthusiasts! Not just any party. It’s the kick-off party into @BlackHatEvents ! 🎩 RSVP now for an unforgettable night! hackerone.com/events/black-h…
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