I use Symantec. You should have some type of AV. Windows Defender is fine. A paid one like Symantec or McAfee is also fine. It won’t protect everything, but having something that does AV, HIPS, etc. will help protect you overall.
Patch your shit (OS, web browsers, applications, phones). There are some bad patches and it can be annoying sometimes, but a lot of patches have built-in security / bug fixes, even if it’s not an emergency security patch.
Don’t click on links in emails you were not expecting. When in doubt, go to the site and log in yourself. Aside from phishing, a ton of malware is sent through email. Even if it’s not something obvious like receiving a random .exe, people will go through a lot of hoops to infect your computer starting with an email. For example, they’ll send you a link that redirects somewhere else, and you have to click on this other link, and then get a Word document, and then you have to enable macros.
Be careful with the browsing and the downloads.
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