cdn
Safeguard articles tagged "cdn" — guides, analysis, and best practices for software supply chain and application security.
6 articles
Subresource Integrity (SRI) Explained (2026)
Subresource Integrity pins a cryptographic hash to every script you load from a CDN, so a compromised CDN cannot silently swap in malicious code. Here is how it works and where it stops.
Ledger Connect Kit December 2023: A CDN Attack Retrospective
The Ledger Connect Kit compromise was a five-hour CDN attack that drained roughly $600k from connected wallets. A look at how it happened and what defenders learned.
Polyfill.io CDN Supply Chain Attack: 100K+ Sites
After a domain handover, polyfill.io began serving malware to more than 100,000 sites. Here is the attack chain and what the incident teaches us.
DDoS Protection for Software Distribution Infrastructure
Package registries, artifact repositories, and update servers are high-value DDoS targets. Taking them down disrupts entire software supply chains.
CDN Poisoning Attacks: How Cached Content Becomes a Weapon
CDN cache poisoning turns your performance infrastructure into an attack vector. When the cache serves malicious content to every user, the blast radius is massive and immediate.
CDN Supply Chain Security Risks You Should Know
Content delivery networks serve billions of software assets daily. When a CDN is compromised, the blast radius is enormous. Here's what CDN supply chain risks look like and how to defend against them.