Five hidden dangers of Facebook (Q&A)

Facebook claims that it has 400 million users. But are they well-protected
from prying eyes, scammers, and unwanted marketers?

Not according to Joan Goodchild, senior editor of CSO (Chief Security
Officer) Online <http://www.csoonline.com/>.

She says your privacy may be at far greater risk of being violated than you
know, when you log onto the social-networking site, due to security gaffes
or marketing efforts <http://news.cnet.com/8301-13577_3-20004379-36.html> by
the company.

Facebook came under fire this past week, when 15 privacy and consumer
protection organizations filed a complaint with the Federal Trade
Commission<http://news.cnet.com/8301-13577_3-20003717-36.html>,
charging that the site, among other things, manipulates privacy settings to
make users' personal information available for commercial use. Also, some
Facebook users found their private chats accessible to everyone on their
contact list--a major security breach that's left a lot of people wondering
just how secure the site is.

In two words, asserts Goodchild: not very.

On "The Early Show on Saturday Morning," Goodchild spotlighted five dangers
she says Facebook users expose themselves to, probably without being aware
of them:


   1. Your information is being shared with third parties
   2. Privacy settings revert to a less safe default mode after each
   redesign
   3. Facebook ads may contain malware
   4. Your real friends unknowingly make you vulnerable
   5. Scammers are creating fake profiles

 Below is an edited transcript of the interview.

*Is Facebook a secure platform to communicate with your friends?*
Here's the thing: Facebook is one of the most popular sites in the world.
Security holes are being found on a regular basis. It is not as inherently
secure as people think it is, when they log on every day.

Certainly, there are growing pains. Facebook is considered a young company,
and it has been around a few years now. It is continuing to figure this out.
They are so young, they are still trying to figure out how they are going to
make money. It is hard to compare this to others; we have never had this
phenomenon before in the way [so many] people are communicating with each
other--only e-mail comes close.

The potential for crime is real. According to the Internet Crime Complaint
Center <http://www.ic3.gov/>, victims of Internet-related crimes lost $559
million in 2009. That was up 110 percent from the previous year. If you're
not careful using Facebook, you are looking at the potential for identity
theft, or possibly even something like assault, if you share information
with a dangerous person you think is actually a "friend." One British police
agency <http://news.cnet.com/8301-19518_3-20003365-238.html> recently
reported that the number of crimes it has responded to in the last year
involving Facebook climbed 346 percent. These are real threats.

Lately, it seems a week doesn't go by without some news about a
Facebook-related security problem. Earlier this week, TechCrunch discovered
a security hole that made it possible for users to read their friends'
private chats <http://news.cnet.com/8301-13577_3-20004213-36.html>. Facebook
has since patched it, but who knows how long that flaw existed? Some
speculate it may have been that way for years.

Last month, researchers at VeriSign's iDefense group discovered that a hacker
was selling Facebook usernames and
passwords<http://www.zdnet.co.uk/news/security-threats/2010/04/23/idefense-15-million-facebook-accounts-for-sale-40088751/>in
an underground hacker forum. It was estimated that he had about 1.5
million accounts--and was selling them for between $25 and $45.

And the site is constantly under attack from hackers trying to spam these
400 million users, or harvest their data, or run other scams. Certainly,
there is a lot of criticism in the security community of Facebook's handling
of security. Perhaps the most frustrating thing is that the company rarely
responds to inquiries.

*Do people really have privacy on Facebook?*
No. There are all kinds of ways third parties can access information about
you. For instance, you may not realize that, when you are playing the
popular games on Facebook, such as
FarmVille<http://news.cnet.com/8301-13577_3-10457628-36.html>,
or take those popular quizzes--every time you do that, you authorize an
application to be downloaded to your profile that gives information to third
parties about you that you have never signed off on.

*Does Facebook share info about users with third parties through things such
as Open Graph <http://news.cnet.com/8301-13577_3-20003053-36.html>?*
Open Graph is a new concept for Facebook, which unveiled it last month at
its F8 conference <http://news.cnet.com/8301-13577_3-20003124-36.html>. It
actually is basically a way to share the information in your profile with
all kinds of third parties, such as advertisers, so they can have a better
idea of your interests and what you are discussing, so Facebook can--as
portrayed--"make it a more personal experience."

*The theory behind Open Graph--even if it has not implemented it--is its
whole business model, isn't it?*
That is the business model--Facebook is trying to get you to share as much
information as possible so it can monetize it by sharing it with
advertisers.

*Isn't it in Facebook's best interest to get you to share as much info as
possible?*
It absolutely is. Facebook's mission is to get you to share as much
information as it can so it can share it with advertisers. As it looks now,
the more info you share, the more money it is going to make with
advertisers.

*Isn't there also a security problem every time it redesigns the site?*
Every time Facebook redesigns the site, which [usually] happens a few times
a year, it puts your privacy settings back to a default in which,
essentially, all of your information is made public. It is up to you, the
user, to check the privacy settings and decide what you want to share and
what you don't want to share.

Facebook does not [necessarily] notify you of the changes, and your privacy
settings are set back to a public default. Many times, you may find out
through friends. Facebook is not alerting you to these changes; it is just
letting you know the site has been redesigned.

*Can your real friends on Facebook also can make you vulnerable?*
Absolutely. Your security is only as good as your friend's security. If
someone in your network of friends has a weak password, and his or her
profile is hacked, he or she can now send you malware, for example.

There is a common scam called a 419 scam, in which someone hacks your
profile and sends messages to your friends asking for money - claiming to be
you--saying, "Hey, I was in London, I was mugged, please wire me money."
People fall for it. People think their good friend needs help--and end
up wiring
money to Nigeria <http://news.cnet.com/8301-1009_3-10092504-83.html>.

*A lot of Web sites we use display banner ads, but do we have to be wary of
them on Facebook?*
Absolutely: Facebook has not been able to screen all of its ads. It hasn't
done a great job of vetting which ads are safe and which are not. As a
result, you may get an ad in your profile when you are browsing around one
day that has malicious code in it. In fact, last month, there was an ad with
malware <http://news.cnet.com/8301-27080_3-20002267-245.html> that asked
people to download antivirus software that was actually a virus.

*Is too big a network of friends dangerous?*
You know people with a lot of friends--500, 1,000 friends on Facebook? What
is the likelihood they are all real? There was a study in 2008 that concluded
that 40 percent of all Facebook profiles are
fake<http://www.v3.co.uk/vnunet/news/2227649/facebook-flooded-fake-profiles>.
They have been set up by bots or impostors.

If you have 500 friends, it is likely there is a percentage of people you
don't really know, and you are sharing a lot of information with them, such
as when you are on vacation, your children's pictures, their names. Is this
information you really want to put out there to people you don't even know?

*This interview, "Five Hidden Dangers of
Facebook<http://www.cbsnews.com/stories/2010/05/08/earlyshow/saturday/main6469373_page2.shtml?tag=contentMain;contentBody>,"
was originally published on CBSNews.com.*

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