Post-incident review: Source map exposure on non-production subdomain
Update (February 24, 2026): @vmfunc has published part two of their series about Persona. You can read it here. We will update this post with part three when it is released. On February 16, 2026, security researchers @vmfunc, @MDLcsgo, and @DziurwaF published a blog post identifying exposed frontend source maps on a non-production subdomain under withpersona-gov.com.