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Wireless Hacks Growing Threat
August 3, 2004 (12:47 p.m. EST)
TechWeb News
Assaults on wireless networks at a recent hackers
conference in Las Vegas show that attackers are moving away from benign
sniffing to more dangerous and disruptive tactics, a wireless security
vendor said Tuesday.
At last week's DefCon 12 -- the annual underground hacking confab --
AirDefense again monitored the airwaves looking for hacker habits.
What it found wasn't pretty.
“The types of attacks we're seeing are increasingly more
sophisticated than those of years past,” said Richard Rushing, the
chief security officer of AirDefense, in a statement. “Last year we
noted basic denial of service and spoofing attacks, [but] this year
hackers have moved on to what we refer to as level three attacks, where
hackers are actually injecting traffic into the network and
manipulating data.”
Among the hacks that AirDefense witnessed at DefCon 12 was an
injection attack that manipulated images in wireless surfers' browsers
and dropped in unrequested forms into pages. The security firm also
discovered a new denial-of-service (DoS) attack that modified firmware
on network cards to knock people off the network, block data, and gain
control of the wireless LAN.
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