Vercel WAF for Blob Storage: Security Beta Launch
By Dillip Chowdary • July 25, 2026
Mitigating Access Exfiltration and Hotlinking
Vercel has announced the beta release of its Web Application Firewall (WAF) for Blob storage, offering developers new security controls to protect their static assets. The update allows teams to define access rules and block malicious requests at the edge.
The WAF integration is designed to prevent unauthorized access and data exfiltration from Blob containers. Developers can configure IP whitelists, block requests based on geographic location, and set rate limits to protect their assets from automated scanning.
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Evaluating Edge Rule Latency Overhead
The security controls are evaluated at Vercel's edge network, reducing latency and protecting backend storage from direct attacks. The configuration can be managed using simple JSON files, allowing teams to integrate security rules into their existing deployment pipelines.
The beta launch comes as organizations face rising security threats targeting cloud storage. By offering WAF controls for Blob storage, Vercel is helping developers secure their applications and meet compliance requirements without sacrificing performance.
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