'With open source, your users become your partners and co-developers' John E Dunn Thu 7 Jan 2021 // 07:00 UTC Share Copy Sponsored Amidst the unending cybersecurity woe of the last two decades, a significant but easy-to-miss bright spot has been the steady rise of open source security tools. Looking back, what’s interesting is how early a lot of these tools were, from Marty Roesch’s Snort intrusion prevention in the late 1990s, to Gordon Lyon’s Nmap network mapper around the same time. By the time HD Moore’s Metasploit turned from a vulnerability scanner utility into a hugely popular pen-testing framework, it was clear something was up, but what?