We use computers every
day and we use antivirus programs to keep our computers running smoothly. But,
sometimes no matter what we do we get a virus and some of them are a pretty
major deal. Here are just a few of the most harmful viruses that we have
witnessed in the last few years:
Back in 2004 a worm
named Sasser was discovered. It worked to slow down your computer and in most
cases computers would crash. It was hard to reset after an infection and it
basically rendered a computer useless. Millions were effected as the worm took
advantage of a buffer overflow vulnerability which controlled the security
policy of local accounts. Luckily there was a patch put in place to help stop
the spread of the virus but it is estimated that another million users got it
anyway as they didn't update after the patch fix was in place. All told, Sasser
caused $18 billion in damages and took out critical computer infrastructures
around the world.
Another worm, this one
called Conficker appeared in 2008. It was also known as Downup or Downadup but
whatever you called it you hoped you didn't become a victim. It infected
computers using flaws in the operating system to create a botnet. About 9
million computers were infected worldwide including those used by governments,
big businesses and the individual. Over $9 billion in damage happened as a
result of Conficker which would reset account lockout policies, and block
Windows updates. It would also randomly turn off services and lock out user
accounts. After all of this, it then turned the computers into botnet slaves to
scam the user out of money. Thankfully, this is now a thing of the past as the
flaws have been fixed and this virus is just one for the history books.
Yet another worm was
identified in 2004, this one called Mydoom. This one was fast spreading and
went out as an email transmission error. It contained an attachment of itself
and automatically sent itself to everyone on your mailing list. Like other
worms, it too opened backdoor access for remote access and launched a denial of
service attack on the SCO Group. This worm was a major deal, as it caused over
$38 million in damages and lost productivity.
As computers get more
technical so to do those that mean them harm. What will be the next one to
attack our computers? Stay tuned.
Having computer
problems? We can help! Infotech Computers specializes in computer and laptop
repair and is a full service shop serving the communities of the GTA. No matter
the brand or model we can fix it!
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