Secure Twilio applications against common attacks. Covers credential management (API keys vs auth tokens), request validation (webhook signature verification), PCI DSS compliance, HIPAA account requirements, SMS pumping prevention, geo-permissions, and account isolation patterns. Use this skill when developers are building or deploying Twilio apps.
Install
npx skills add twilio/ai --skill twilio-security-hardeningnpx skills add twilio/ai --skill twilio-security-hardening -a claude-code -gnpx skills add twilio/ai --skill twilio-security-hardening -a codex -ggemini skills install https://github.com/twilio/ai.git --path skills/twilio/twilio-security-hardeninggh skill install twilio/ai twilio-security-hardeninggit clone --depth 1 https://github.com/twilio/ai /tmp/twilio__ai
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/twilio__ai/skills/twilio/twilio-security-hardening ~/.claude/skills/twilio-security-hardening # Claude Code
cp -R /tmp/twilio__ai/skills/twilio/twilio-security-hardening ~/.agents/skills/twilio-security-hardening # Codex, Cursor, Gemini CLI, Copilot, OpenCode