Tim Øsleby wrote:
> Ann. Most likely your system already has XP service pack 2 installed. That's
> the one update you will need if it isn't. Without it your computer is very
> vulnerable. 

As someone who works on security software for Windows and Linux, I'd
strongly urge keeping up with Windows updates, even post XP SP2.  You
only have to get "owned" once to have large amounts of your money
disappear from your bank account or get added to your credit cards or
your identity get stolen.  I do review the updates that they try to
send, I keep good backups, I only install critical updates, and I always
refuse to let Windows Genuine Advantage or its updates install.  But if
Microsoft is issuing a patch for it, there's a good reason.

Some of the vulnerabilities, especially some of the ones in Internet
Explorer, are positively frightening, allowing "drive by" exploitation
of your system.  That means the attacker plants the malware in such a
way that you get infected by simply going to a reputable web page that
has ads on it from a poorly defended or less than reputable ad system.

It's happened, too.  A year or two ago, the online IT technology (IT
geek) newspaper "The Register" (http://www.theregister.co.uk or
http://www.theregister.com) was using an ad service provider that got
exploited. Just going to "The Register" web page and being unlucky
enough to get one of the infected ads got your computer infected, IIRC,
by a password stealer or spam engine (if you didn't have the proper
patches installed).

A lot of the "virus" hype /is/ hype.  Shameless hype.  But some of it
isn't.  Over the past couple of years there's been a definite and
obvious shift in the motives of the purveyors of malware.  It's gone
from more like graffiti or other vandalism to more like business (profit
motive).

At the moment, there seems to be another shift underway, toward more
focused attacks rather than the "shotgun approach".  The idea being to
get the malware "under the radar" of the security monitoring folks.
That means that, for example, the A/V engines don't get signatures for
them because either the "virus sensors" out in the Internet never see
the actual malware, or because the number of folks affected is "too small".

There have already been several of these sorts of targeted attacks in
England and Scandinavia against specific banks.  Through a partnership
with some customers, my development team is seeing a lot of this sort of
activity right now.

-- 
Thanks,
DougF (KG4LMZ)


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