A recent security breach at TrueConf, a video conferencing platform, has allowed the Head Mare hacktivist group to inject malicious code into client installers, effectively trojanizing them with backdoors1. This vulnerability exploitation enables attackers to gain unauthorized access to systems, potentially leading to further malicious activities. The breach is attributed to unpatched TrueConf video conferencing servers, highlighting the importance of regular security updates and patch management. By replacing legitimate client installers with tainted versions, the attackers can establish a foothold in targeted networks, compromising confidentiality, integrity, and availability. The TrueConf breach serves as a reminder that software supply chain attacks can have far-reaching consequences. So what matters most to practitioners is that they must prioritize timely patching and installer validation to prevent similar compromises, as a single unaddressed vulnerability can be the entry point for devastating attacks.