Original Post: Three key learnings for AppSec teams from the XZ backdoor
The XZ backdoor incident highlighted the challenges faced by security teams in preventing insider threats, such as the manipulation of open-source dependencies. It emphasized the importance of vetting contributors, monitoring dependencies, and hardening build pipelines in application security efforts. The incident also underscored the need for a collaborative response from application security, software engineering, and security teams in addressing security incidents. Furthermore, it raised concerns about the sustainability of open source projects and the need for more than Software Bill of Materials (SBOMs) to ensure secure software development. The incident also provided insights for the internal security practices of Semgrep, an AppSec company, and informed the development of new Semgrep rules to detect similar vulnerabilities in code.
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