War-chalking is only a process of identifying networks. It would be like going around a neighborhood and somehow making marks on public property identifying if a house has a deadbolt installed or not. Is it stoppable? Owners of wireless networks can modify their equipment so war-drivers cannot find their wireless networks. Conclusion War-driving and war-chalking are new activities that technology advanced people are doing for a hobby. While no laws are in place to make war-chalking illegal , maybe someday there will be.
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McAfee Blog Archives. There's a lot of misinformation about Virtual Private Networks, what they do, and the security benefits they Hybrid Workplace Vulnerabilities: 4 Ways to Promote Online Safety Office workers are gearing up for a new workplace arrangement: the hybrid workplace. As offices reopen and Guide: Protecting Your Digital Identity Protecting yourself from hackers and fraud means protecting your digital identity. And that can feel like a The war drivers compile statistics that reveal where the networks are and whether or not they are using basic encryption methods.
They are trying to prove a point: Wireless network managers need to take security more seriously. Complete stats are available online. Hurley is encouraged by the increase in the percentage of encrypted networks, but he was looking for more.
Hurley, an information security engineer working in the Washington area, became interested in war driving after Peter Shipley reported on his fledgling war-driving efforts at the Def Con security conference several years ago.
Since then, Hurley has taken over the annual Def Con war-driving events and the WWWD in an effort to publicize the vulnerabilities of wireless networks. He points out in his book, WarDriving: Drive, Detect, Defend, A Guide to Wireless Security , that hackers can easily take war driving a few steps further and use freely available tools to connect to an unencrypted network for free Internet access or to sniff out passwords for complete access.
That would allow them to steal information or use the network as a base to launch future attacks. It's not much harder, he says, to use other free tools to crack the notoriously flawed WEP encryption scheme. Even the more secure WPA is vulnerable to certain attacks. And as Hurley and his war drivers have shown, there are a lot of people out there opening themselves up.
My own war-driving forays support his take on the sorry state of wireless security. Using the free Windows application NetStumbler, I consistently found more than wireless APs on my mile drive to work -- before 9 a. Of course, the nature of the terrain in my commute indicates that most of these APs are on private home networks. Hurley believes that the recent explosion in home networking is responsible for much of the increase in networks discovered by war drivers.
While these home network owners may not have corporate secrets to protect, they could be leaving themselves open to Internet access interlopers. Or worms or viruses transmitted from the outside computer. Or worse. Hurley recounted the November case in which a Toronto man was found in his car using another person's wireless home network to download child pornography. While that man was arrested, Hurley pointed out that if someone accessed a network to download child pornography and then disconnected from the network, the network owner couldn't prove that he himself didn't commit the crime.
But it's in the corporate world where unsecured wireless networks are the most dangerous. If you war-drive through any office park, you will likely find lots of wide-open nets.
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