Not long after Microsoft ended support for Windows XP, a "zero day exploit" was discovered in Internet Explorer versions 6 through 11. Microsoft immediately patched Windows 7 and 8, but not XP. There was an outcry about it, so Microsoft relented and made an exception by quickly pushing out a fix. Leo says that once Microsoft makes an exception, the customer base will expect more of them. Will Microsoft release any more? Likely not. But the precedent has been set.
Still, Leo says the best course of action at this point is for XP users to upgrade to a new computer. But there are reasons why people can't do that, and he thinks that it's still possible to use XP if the following precautions are taken:
1. Stop using XP as an administrator. Use it as a limited user instead. Add an account as an administrator and then demote your existing account to limited user. This will stop over 90% of all the exploits out there.
2. Stop using Internet Explorer. Go with Google Chrome. It's free and far more secure.
3. Don't click on links in email.
4. Only get your software from original vendors.
5. Keep your anti virus software up to date.
6. Stop using Java
7. Use a password vault like LastPass
8. Turn on second factor authentication