Tip #3250 - Zero-Day Defined Printer Friendly Version | E-Mail This Tip
Zero-Day
Defined
Have you heard of
the term Zero-Day before? You may have, but do you know
what all a Zero-Day flaw entails? The term itself isn't very complicated
to understand once you know the bottom line of what makes them exist,
but if you ever just wanted a simple definition of a Zero-Day flaw, today
is your day. That's exactly what I'm going to give you right now!
These flaws can either
be called Zero-Day or Day-Zero and they are basically any type of exploit
that overtakes a security vulnerability within a computer system. They
are usually announced to the public on the same day they are discovered
or at least, generally known. The exploits come from well known hacker
groups. Once they're posted, software companies go to work to inform the
rest of the public about them through online bulletins, etc. Unfortunately
though, those same companies aren't always able to offer up a fix for
the flaws until a later time.
Some of the most recent
Zero-Day flaws have been found in the Web browsers of Internet Explorer,
Firefox and others. A few have also been discovered in the newer versions
of IE (version 7) and Firefox (version 2). The exploits can also be found
in Word documents and various other programs that you may have installed
on your computer. Just always be on the look out for new exploits, because
you never know when they might come along.
~ Erin
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