Some websites will display a lock symbol in the address bar. This is most commonly seen with certain types of websites, like online stores and banking sites. This means the website is using a secure connection, which makes it safe to enter your personal information.
You will not see this symbol on all websites, and that's ok; not all websites need this extra layer of security. However, you should avoid entering any sensitive information on any website where you don't see this symbol in the web address bar.
When you are asked to provide any personal information, such as payment details or passwords, validate both the web address of the site and also the site security symbol. If either looks suspicious, do not proceed.
For some specific examples of bad sites used in recent email phishing attacks sent to UWA staff and students, which are designed to steal personal information, refer to the University IT phishing info page.