More advanced steps can be taken but you have to balance the inconvenience factor
with the risk factor when considering these rules as they can be somewhat restrictive.
Check the sender's email address. If it is from an address very similar to major company but not the same. It is generally phishing emails. For example, an email from firstname.lastname@example.org is probably a phishing email.
Emails from colleagues uncommonly asking you for confidential files can be a phishing email. It is common for hackers to impersonate
people's names to obtain sensitive information. We recommend that you have a common secure location for the exchange of files.
If that is not possible, we recommend you validate the request in some fashion before sending the files
Emails with pop-ups requesting personal information are generally phishing emails
Install some form of Malware software such as Malwarebytes or Norton Antivirus Deluxe 360
Check that the link in the email is not directing you to a suspicious link. You can do this by hovering over the link and looking in the bottom left hand side of your screen. The
image below shows the actual link in the bottom left hand side of the screen is quite different from what you would expect. This is especially true if the URL it is sending you to is something
other than a .com, .net or .org address.