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Article #146: Thwart the Three Biggest Internet Threats of 2007

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The same Internet connection that lets experts think the Opera browser is safer
you reach out and touch millions of Web than either IE or Firefox.
servers, e-mail addresses, and other Threat 2: Phishing and Identity Theft
digital entities across the globe also You have probably seen your share of
endangers your PC and the information it phishing attacks, which look like
contains about you. Here's how to stymie communications from your bank, PayPal,
the three gravest Internet risks. eBay, or another online account. The
Threat1: IE message may ask you to click a link that
Internet Explorer heads the list of top leads to a bogus Web page, complete with
Internet security attack targets in the realistic user-name and password log-in
most recent joint report of the FBI and fields, or it might ask for a credit-card
security organization SANS Institute. number.
One reason: As the most widely used The fake address often resembles the real
browser, IE provides the biggest payoff institution URL--'citibank.fakesite.com'
for malicious hackers who set out to in place of 'citibank.com', for example.
exploit its flaws. The biggest problem The phishers site and e-mail message may
with IE is its reliance on Microsoft even load images from your bank, or have
ActiveX technology, which allows Web links to the institution own Web site.
sites to run executable programs on your When you take the bait, the phisher
PC via your browser. harvests your data, and either sells it
Security patches and upgrades, including to someone else, or uses it to drain your
Windows XP Service Pack 2 and the account right away. A variant called
recently released IE 7, make ActiveX spear phishing identifies you by name in
safer, but the inevitable flaws that the lure message or Web site, making the
allow malware to circumvent those sham even harder to spot.
security measures--combined with the You may have read that your bank will
reality that we computer users are often never send you an e-mail asking you to
a credulous lot--make ActiveX a risk not log in to your account, and it should
worth taking. not, though it does happen on occasion.
Happily, with very few exceptions (such The vast majority of messages that appear
as Microsoft Windows Update site), you to come from financial institutions are
can browse the Internet effectively phishing attacks, so assume that such
without ActiveX. messages are bogus and avoid opening them
To disable ActiveX in IE 6 and 7, choose at all, let alone clicking any links they
Tools, Internet Options, Security, Custom contain.
Level, scroll to 'Run ActiveX controls If you are concerned that the bank or
and plug-ins, and select Disable. other service is really trying to notify
Click OK, Yes, and OK to close the dialog you of a problem with your account, open
boxes. To enable ActiveX on a known and your browser manually and log in to the
trusted site, click Tools, Internet site directly, or better yet, pick up the
Options, Security, choose Trusted Sites, phone and call a customer service agent
click Sites, enter the site address in (if you can find one via the bank
the text box, and click Add. Uncheck automated phone system).
Require server verification (https:) for The place you are most likely to notice
all sites in this zone, and click Close that your credit card or bank account has
and OK. been compromised by a phishing attack or
If you leave ActiveX enabled, you may identity theft is on the statement you
quickly encounter malware-harboring sites receive from them via mail. Check it
and e-mail attachments that ask you to carefully for unauthorized charges, and
let them install their ActiveX controls report any to the institution
on your system. Unless you are 100 immediately.
percent certain that the control is safe IE 7 asks you a couple of times if you
and legitimate, do not allow it. had like to enable its phishing filter
Regardless of which browser is set as the during installation; say yes. To enable
default on your system, always keep this feature, choose Tools, Phishing
Windows (and IE) updated to minimize your Filter, Turn On Automatic Website
risk. Checking, and click OK.
To keep Windows XP up-to-date, visit (you Firefox 2 phishing filter is enabled by
will have to use Internet Explorer) and default, but it uses a static downloaded
install Service Pack 2, if you have not list of known phishing sites. Many
already. Next, choose Start, Control firewalls and other security programs
Panel, System, and click the Automatic include identity-protection features that
Updates tab. scan the stream of data leaving your PC
Select Automatic (recommended) If you for sensitive information, such as
trust Microsoft implicitly, Download passwords or social security and credit
updates for me, but let me choose when to card numbers, and then block the
install them if you trust the company a unauthorized transfers.
little bit, or Notify me but do not Resist the temptation to post personal
automatically download or install them to information on your Web page, blog, or
play it safest. (Click "Do not Let a social site (Facebook/MySpace) account.
Windows Update Bring You Down" for more Identity thieves, spammers, and online
on Windows updates.) predators are always on the lookout for
Whichever option you choose, click OK to such data. Browse to "Safeguard Your
download and install the most recent Reputation While Socially Networking" for
security patches. an explanation of the risks to both
If you stick with IE, upgrade to version adults and children, and for tips on what
7, which improves ActiveX security. you can do to avoid the dangers.
Still, the best way to reduce your PC Threat 3: Malware
vulnerability to ActiveX exploits is to Every day, virus, spyware, and adware
download and install another browser, and creators come up with new, ingenious ways
set it as your default browser. to gain access to your PC.
Mozilla Firefox is the most popular IE These steps will help keep you safe:
alternative. Unfortunately, Firefox Think before you click.Use a spam filter.
growing popularity has enticed malware Update your antivirus software.Download
authors to exploit its own flaws. While with discretion.Use a bidirectional
no software is perfectly secure, many firewall.Use antispyware.






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