[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Security](./puppeteer.protocol.security.md) > [VisibleSecurityStateChangedEvent](./puppeteer.protocol.security.visiblesecuritystatechangedevent.md) ## Protocol.Security.VisibleSecurityStateChangedEvent interface The security state of the page changed. Signature: ```typescript export interface VisibleSecurityStateChangedEvent ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [visibleSecurityState](./puppeteer.protocol.security.visiblesecuritystatechangedevent.visiblesecuritystate.md) | [VisibleSecurityState](./puppeteer.protocol.security.visiblesecuritystate.md) | Security state information about the page. |