[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Security](./puppeteer.protocol.security.md) > [CertificateSecurityState](./puppeteer.protocol.security.certificatesecuritystate.md) > [issuer](./puppeteer.protocol.security.certificatesecuritystate.issuer.md) ## Protocol.Security.CertificateSecurityState.issuer property Name of the issuing CA. Signature: ```typescript issuer: string; ```