Lessons from Log4Shell: Building a CRA-Ready Log4j
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By: Piotr P. Karwasz, VP Logging, Apache Software Foundation The disclosure of Log4Shell (CVE-2021-44228) on December 9, 2021 did not just expose a vulnerability: it exposed a way of building software that was no longer fit for purpose, and it helped bring the European Cyber Resilience Act into being. I recently hosted a session for the Open Regulatory Compliance community’s CRA Monday series to tell the story from the inside: what the Apache Logging team actually did in the years after Log4Sh