Apple , PC & others Security Updates.

Apple security updates for Mac OS X Yosemite & El-Capitan... Please do the updates now.

https://support.apple.com/en-us/HT201222

Update all Adobe Flash, Shockwave & Acrobat Reader now.

http://www.adobe.com/software/flash/about/

Check updates for Java as well.

https://java.com/en/download/manual.jsp

http://www.oracle.com/technetwork/java/javase/downloads/jre7-downloads-1880261.html

http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html

http://www.oracle.com/technetwork/java/javase/downloads/server-jre8-downloads-2133154.html

Update all Google Chrome browser, Mozilla Firefox & Opera now.

Check for any  Windows  7, 8, 8.1 & 10 updates as well.

(Please take note Windows 10 release version is still Buggy!!!)

That goes the same to ALL Linux OSes.