Yes. By default, web browsers will store a local copy (cache) a copy of the web pages you view on your computer or other viewing device (tablet, smart phone). This can speed up web browsing if the pages are revisited multiple times.
Yes. Patient information, personal information, financial and other sensitive information that you view on secure web sites may be stored on your computer or viewing device. Using secure web sites (https) ensures that the data is sent securely across the Internet in an encrypted format, but any copies stored on your computer will not be encrypted.
No, you cannot disable this behavior in Safari or Chrome. Avoid using Safari and Chrome to access UCLA Restricted Information from unencrypted personal devices. Note that Safari and Chrome are the default browsers on iOS (iPhone/iPad/iPod Touch) and Android devices, respectively.