On the heels of Heartbleed, more security concerns:

Stop Using Internet Explorer Now
By now you have likely heard about the security issues with Internet Explorer. However, you may not realize that the US government warned users to quit using IE until Microsoft fixes a security hole that could allow hackers to gain remote access to your computer.

To be safe, download an alternate browser like Firefox or Chrome and avoid Internet Explorer until Microsoft issues a patch. UPDATE: a patch is now available for all Windows users, even XP. Run Windows Update to verify the patch has been installed. in my case, I found it had been downloaded but not installed.

Update Adobe Flash Player
A second security bug involves Adobe Flash Player. This vulnerability permits remote code execution, potentially giving hackers access to your computer. (For those who are curious, the result is the same as the Internet Explorer vulnerability, but the two security issues are unrelated.)

Adobe has already pushed out an emergency security patch which all users should download immediately.

AOL Compromised
In a third security incident, AOL reported a security breach of its email servers. AOL users should change their passwords immediately.