Security research, writeups, command references and professional services.https://hackingknack.com/https://hackingknack.com/blog/articles/blog/cyber-security-certification-tracker/https://hackingknack.com/blog/articles/blog/cyber-security-certification-tracker/Stop guessing which cert comes next. This is the 2026 cybersecurity certification tracker: every major security cert on one grid, from Security+ to OSCP and CISSP. See difficulty, path, cost, and exam style — then jump to the live tracker.Tue, 15 Sep 2026 00:00:00 GMT2026-09-16T00:00:00.000Zhttps://hackingknack.com/blog/articles/blog/pentesting-vulnerable-study-frameworks-complete-list/https://hackingknack.com/blog/articles/blog/pentesting-vulnerable-study-frameworks-complete-list/A complete list of vulnerable apps, labs, challenges, any resource you can use to learn and test your skills in a safe environment, without breaking the law.Fri, 13 May 2011 00:00:00 GMT2026-09-16T00:00:00.000Zhttps://hackingknack.com/blog/articles/blog/bind-and-reverse-shell-generator/https://hackingknack.com/blog/articles/blog/bind-and-reverse-shell-generator/This is a Bind and Reverse Shell Generator, free to use. This combines several different shells found on the internet and some of my own, all manually tested and fully working.Tue, 01 Sep 2026 00:00:00 GMT2026-09-02T00:00:00.000Zhttps://hackingknack.com/blog/articles/blog/offensive-security-arsenal/https://hackingknack.com/blog/articles/blog/offensive-security-arsenal/The goal of this post is pure and simple, trying to track all applications in existence for different cyber security tests, not only for Offensive Security, although the list you most probably contain more of those.Thu, 13 Aug 2026 00:00:00 GMT2026-09-02T00:00:00.000Zhttps://hackingknack.com/blog/articles/blog/hacking-security-movie-tv-shows-complete-list/https://hackingknack.com/blog/articles/blog/hacking-security-movie-tv-shows-complete-list/This is a list of all Movies and TV Shows about Hacking and Security culture, as complete as I could get it.Mon, 01 Aug 2011 00:00:00 GMT2026-08-21T00:00:00.000Zhttps://hackingknack.com/blog/articles/hakin9-magazine/restricted-linux-shell-scaping-techniques/https://hackingknack.com/blog/articles/hakin9-magazine/restricted-linux-shell-scaping-techniques/This is a rather long 21 page article I wrote a long time ago for the Hakin9 Magazine, taking around 26 pages of the magazine, which is not common.Fri, 01 Apr 2022 00:00:00 GMT2026-08-09T00:00:00.000Zhttps://hackingknack.com/blog/articles/hakin9-magazine/lets-talk-about-cyber-security-certificates/https://hackingknack.com/blog/articles/hakin9-magazine/lets-talk-about-cyber-security-certificates/In this open issue of Hakin9 Magazine, created something special! We really wanted to bring you closer to the topic of cybersecurity certificates because we know that many of you have a hard decision to make - which certificate to choose. In this H9 edition, we brought to you 10 cybersecurity professionals: from people with over 20 years of experience to some who started their journey not so long ago. All of them share their cyber-certificates know-how and tell you how long it takes to prepare for each certification, which are more advisable, what is most important in the process of learning, and many more!Sun, 09 Aug 2026 00:00:00 GMT2026-09-08T00:00:00.000Zhttps://hackingknack.com/blog/articles/blog/free-computer-forensic-tools/https://hackingknack.com/blog/articles/blog/free-computer-forensic-tools/orensic Control Company has released a list of free computer forensic software and resources at their official website. They warn that is the end user’s responsibility to check the licensing agreements of each one before use. Forensic Control provides no support or warranties for their use.Sat, 02 Feb 2013 00:00:00 GMT2026-08-12T00:00:00.000Zhttps://hackingknack.com/blog/articles/infra-magazine/net-cat-the-it-swiss-knife-complete-commented-examples/https://hackingknack.com/blog/articles/infra-magazine/net-cat-the-it-swiss-knife-complete-commented-examples/ have written and published in a very well-known Brazilian IT magazine called Infra Magazine, more specifically on issue number 3.Tue, 19 Mar 2013 00:00:00 GMT2026-08-09T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/basic/defend-the-web-basic-missions-01/https://hackingknack.com/blog/writeups/challenges/defendtheweb/basic/defend-the-web-basic-missions-01/DefendTheWeb.net, previously called HackThis.co.uk, is one of the many different websites that publishes Web Hacking Games where the registered user must complete a certain challenge to continue to the other mission.Thu, 29 Mar 2012 00:00:00 GMT2026-08-03T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/basic/defend-the-web-basic-missions-02/https://hackingknack.com/blog/writeups/challenges/defendtheweb/basic/defend-the-web-basic-missions-02/DefendTheWeb.net, previously called HackThis.co.uk, is one of the many different websites that publishes Web Hacking Games where the registered user must complete a certain challenge to continue to the other mission.Thu, 29 Mar 2012 00:00:00 GMT2026-08-03T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/basic/defend-the-web-basic-missions-03/https://hackingknack.com/blog/writeups/challenges/defendtheweb/basic/defend-the-web-basic-missions-03/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsMon, 02 Apr 2012 00:00:00 GMT2026-08-03T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/basic/defend-the-web-basic-missions-04/https://hackingknack.com/blog/writeups/challenges/defendtheweb/basic/defend-the-web-basic-missions-04/DefendTheWeb.net, previously called HackThis.co.uk, is one of the many different websites that publishes Web Hacking Games where the registered user must complete a certain challenge to continue to the other mission. I like this website mainly because it’s composed by many different types of missions in many different knowledge areas.Wed, 25 Apr 2012 00:00:00 GMT2026-08-03T00:00:00.000Zhttps://hackingknack.com/blog/articles/blog/complete-list-of-security-oriented-magazines/https://hackingknack.com/blog/articles/blog/complete-list-of-security-oriented-magazines/One of the best ways to stay in touch with what is new in the market and also recycle your own knowledge and learn new things are security related magazines.Tue, 05 Mar 2013 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-1/https://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-1/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsTue, 15 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-2/https://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-2/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsTue, 15 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-3/https://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-3/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsTue, 15 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-4/https://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-4/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsTue, 15 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-5/https://hackingknack.com/blog/writeups/challenges/defendtheweb/crypt/defend-the-web-playground-challenge-crypt-5/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skills.Tue, 15 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-access-logs/https://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-access-logs/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 15 Jul 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-beach/https://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-beach/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsFri, 16 Jul 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-http-method-2/https://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-http-method-2/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsSun, 02 Aug 2026 00:00:00 GMThttps://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-library-gateway/https://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-library-gateway/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsSun, 18 Jul 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-recon/https://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-recon/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 22 Jul 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-sid/https://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-sid/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsSun, 16 May 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-sq-li3/https://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-sq-li3/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 22 Jul 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-squashed-image/https://hackingknack.com/blog/writeups/challenges/defendtheweb/general/defend-the-web-playground-challenge-squashed-image/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skills.Wed, 14 Jul 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-1/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-1/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skills.Fri, 04 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-10/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-10/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 24 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-11/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-11/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 24 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-12/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-12/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 24 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-2/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-2/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsFri, 04 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-3/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-3/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skills.Fri, 04 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-4/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-4/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 24 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-5/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-5/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 24 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-6/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-6/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 24 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-7/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-7/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 24 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-8/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-8/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 24 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-9/https://hackingknack.com/blog/writeups/challenges/defendtheweb/intro/defend-the-web-playground-challenge-intro-9/DefendTheWeb.net, previously called HackThis.co.uk, is a very famous and well-known interactive security platform where you can learn and challenge your skillsThu, 24 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-1-idiots-test/https://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-1-idiots-test/HellBoundHackers, or simply HBH, is a very famous and well-known security challenge based website. It contains challenges from several different cybersecurity fields.Mon, 31 May 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-2/https://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-2/HellBoundHackers, or simply HBH, is a very famous and well-known security challenge based website. It contains challenges from several different cybersecurity fields.Wed, 19 May 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-3/https://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-3/HellBoundHackers, or simply HBH, is a very famous and well-known security challenge based website. It contains challenges from several different cyber security fields.Wed, 02 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-4/https://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-4/HellBoundHackers, or simply HBH, is a very famous and well-known security challenge based website. It contains challenges from several different cyber security fields.Thu, 03 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-5/https://hackingknack.com/blog/writeups/challenges/hellboundhackers/web-hacking/hell-bound-hackers-basic-web-hacking-challenge-5/HellBoundHackers, or simply HBH, is a very famous and well-known security challenge based website. It contains challenges from several different cyber security fields.Thu, 03 Jun 2021 00:00:00 GMT2026-08-02T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/vulnhub/vuln-hub-dark-hole-2-writeup/https://hackingknack.com/blog/writeups/challenges/vulnhub/vuln-hub-dark-hole-2-writeup/VulnHub.com website is an old friend of Cyber Security community and a very good resource for vulnerable machines so newbies can learn offensive security skillsTue, 18 Jul 2017 00:00:00 GMT2021-08-07T00:00:00.000Zhttps://hackingknack.com/blog/writeups/challenges/vulnhub/vuln-hub-hackathon-ctf-2-writeup/https://hackingknack.com/blog/writeups/challenges/vulnhub/vuln-hub-hackathon-ctf-2-writeup/VulnHub.com website is an old friend of Cyber Security community and a very good resource for vulnerable machines so newbies can learn offensive security skillsMon, 20 Jul 2020 00:00:00 GMT2021-07-20T00:00:00.000Z