Page 8
The Behrend Beacon
Wireless gadgets may not
be as secure as you think
by Heather Newman
Knight Ridder Newspapers
The Defense Department has just ordered
its employees not to communicate anything
sensitive over any kind of wireless device,
including phones, pagers and computers.
Should you?
That depends. Most of us don't communi
cate anything more private than our opinions
and schedules using wireless devices, and
though that information could be embarrass
ing, it's rarely a matter of national security.
Still, nobody wants to think that people are
eavesdropping on their conversations. So here.
for those who want to live a life without wires,
is a measure of your insecurities:
Phones: Although wired phones can be
tapped into by a determined tech-savvy phone
phreak or law enforcement agencies with a
warrant, it's unlikely that yours will be. Wired
phones, which are becoming relics in some
households, are a dandy way to communicate
sensitive information such as credit card num
bers.
Cordless phones vary. Conversations on
old-style analog phones and even some newer
digital models can be picked up by anyone
with the right radio or police scanner. Newer
high-end spectrum-hopping units are harder
to intercept but suffer from static from other
electronic devices.
Cellular phones are harder to crack into than
home-based cordless models, but they're
hardly immune. Analog phones, or digital
phones in analog mode or roaming in an ana
log area, are easier for folks to listen in on
than digital transmissions but even restricting
calls to digital areas isn't entirely secure.
Radios: Two-way radios (including old
fashioned models and those using today's
Family Radio Service and General Mobile
Radio Service frequencies) are not secure,
even with the voice-scrambling features some
have built in. It's relatively easy to equip a scan-
Invite to Cheney prompts
protest at University
of Pennsylvania
by James M. O'Neill
Knight Ridder Newspapers
What philanthropist and chemical company magnate Jon cAmpus SPECIAL
M. Huntsman intended as a private party to christen the
Wharton building that bears his name has become a lightning
•
rod for student activists opposed to a possible war with Iraq, Lair e 0 T
because of a party guest list headlined by Vice President Dick
) ne oppittg
Cheney.
A cadre of student activists at the University of Pennsylva
nia are hoping a few cardboard-cutout skulls and three well- Pizza
placed tents can prod their peers to protest when Cheney visits
campus Friday.
The activists set up the small tent city on the university's
&
College Green Wednesday, along with signs declaring "War
Terrorism" and "Iraqi children are beautiful."
Huntsman, a Wharton graduate who has given $5O million 2 Liter (.13ottk of
to Penn and $250 million to start a cancer institute at the Uni
versity of Utah, founded a Utah-based container and chemical Pepsi. 1 'Diet Pepsi or Mt. 'Dew
company that has annual sales of $8 billion.
He invited Cheney, a personal friend, to a private celebra
tion of the new, $l4O-million Huntsman Hall, Wharton's im
posing stone and brick building that houses 48 classrooms and
57 group study rooms.
The Penn activists are also miffed that Cheney was invited
to the business school.
"Wharton is making great progress promoting socially re
sponsible business practices in its curriculum, and Fm appalled
that they would open this great building by inviting Cheney,"
said Penn student Melissa Byrne.
The students handed out flyers that summarize Cheney's
links to Enron and that argue that tax cuts initiated by the Bush
administration benefitted corporate executives even as corpo
rate scandals at Enron and other companies helped fuel an
economic downturn that led to job cuts and the loss of 401(k)
retirement savings for many Americans. "The Bush-Cheney
administration has violated economic human rights consider
ably," one flyer concludes.
This new generation of student activists is clean-cut, polite
and well-spoken. "This protest is to build a movement as much
as it is for Cheney to see," said organizer Lincoln Ellis, who
briefly left the mini-encampment to attend class.
Some students are veterans of the anti-sweatshop move
ment that swept campuses in early 2000, but they are also
starting to attract the previously noninvolved.
"This campus is generally apathetic," said senior Dan
Fishback, who was finally driven to activism after hearing New
York University media professor Mark Crispin Miller's criti
cal look at media coverage of the Sept. 11 anniversary during
a recent Penn lecture. "We're not trying to win people over.
.The tent city is here to energize an anti-war opinion that's al
.,
ready there."
Senior Jesse Tendler said he used to limit his involvement
to community service. "I've come to realize that while service
is important, activism gets things done," he said. "So many
students are against the war, but they don't know what to do
about it. We've been conditioned to be apathetic."
The Penn students have been reaching out to like-minded
peers on other area campuses, and hope to lure a large crowd
to campus Friday for Cheney's visit.
Wharton has also scheduled public events through the week
end to note the building's opening.
ner with unscrambling devices, which make
conversations crystal clear.
Baby monitors and wireless home inter
corns typically use the same frequencies as
cordless phones and are subject to the same
risks.
Pagers: Most pagers are susceptible to some
kind of interception, even if it's just hackers
breaking into the computerized systems that
collect and send messages.
Some two-way pagers include security soft
ware at either end so that transmissions are
encoded while in the air. That doesn't solve
the problem of people hacking the company
itself, but it does dramatically reduce the risk
of casual message interception.
Ask your provider what security measures
are built into your paging system, if any.
Computers: Wireless home networks are a
growing target for so-called war drivers, kids
with time on their hands who drive around
hoping to intercept a computer's communica
tions with the Internet - and maybe to take
control of your machine.
Simple security includes using the wireless
base station's built-in features, like limiting the
network card (MAC) addresses from which
it will accept transmissions to the computers
in your house, or encoding information while
it's in the air. See your owner's manual for
details.
Transmissions from handheld computers
with wireless capabilities are subject to the
same risks as regular computers when using
wireless networks in your house or as cell
phones or pagers when they're transmitting
wirelessly on the road.
The bottom line? If you really want to keep
something private, tell it to someone in per
son, send it in the postal mail or call on a wired
phone. Even then, you won't be completely
certain that you're not being overheard. But
you'll know it'll be a lot harder for someone to
listen in.
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