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github
6 postsGitLost: A Public GitHub Issue Can Leak Private Repos
GitLost shows how a public GitHub issue and a one-word prefix bypass threat detection, leaking private repo contents via Agentic Workflows.
ai-agentsprompt-injectiongithubsecurityHow GitHub Uses eBPF to Block Circular Dependencies in Deployments
GitHub explains how it uses eBPF to detect and block circular dependencies caused by hosting its own source code, using cGroup-based network filtering and a DNS proxy.
ebpfgithublinux-kerneldevopsGitHub rebuilds Issues navigation for instant, cache-first loading
GitHub built a client-side caching layer with IndexedDB, cache preheating, and a service worker to make Issues navigation feel instant instead of laggy.
githubweb-performancefrontendcachingGitHub Enterprise Server Rebuilds Search Architecture with Elasticsearch CCR
GitHub moves Enterprise Server HA installations to Elasticsearch's Cross Cluster Replication to end fragile, cluster-wide search index failures.
githubelasticsearchhigh-availabilitysearchHow GitHub Made Diff Lines Fast Again
GitHub redesigned its React-based Files changed tab to cut DOM node counts and JS heap usage. Here's how large pull request diffs got dramatically faster.
githubreactperformancefrontendHow GitHub's forgotten security rules ended up blocking real users
GitHub reveals how temporary incident-response rules left in place kept quietly blocking legitimate users, highlighting the need for lifecycle management and observability in defense systems.
githubsecurityrate-limitingobservability