For a brief moment, hiding prompt injections in HTML, CSS, or metadata felt like a throwback to the clever tricks of early black hat SEO. Invisible keywords, stealth links, and JavaScript cloaking ...
Our goal was to make prompt security as simple as Stripe made payments: one API call, transparent pricing, no sales calls.” — Ian Ho, Founder, SafePrompt SAN ...
Microsoft assigned CVE-2026-21520, a CVSS 7.5 indirect prompt injection vulnerability, to Copilot Studio. Capsule Security discovered the flaw, coordinated disclosure with Microsoft, and the patch was ...
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