Security informational articles

Road combatant at risk: the dangers of ad-hoc wireless networking - defense

 

Airport Menace: The Wireless Twittering Tom
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As a arrangement guarantee consultant, I journey quite frequently. At times, it seems like the airport is my back up home. I actually like to fly, it's a jiffy in time where no one can reach me by e-mail, or cell phone.

It never fails that a touch appealing happens to me at the airport. I've even met some famed citizens for the duration of my travels. A few months ago, I ran into Frank Bielec, from the TLC show, Trading Spaces. But one of my beloved belongings to do at the airport is browse the wireless Ethernet waves. I'm never exceedingly astounded at what I find. I'm just glad I know more about wireless Ethernet than the be around road warrior.

The Dangers Of Ad-Hoc Wireless Networking
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Most ancestors who have wireless Ethernet at home, or the office, bond to the wireless exchange ideas by attaching to a wireless Contact Point, or AP. This approach of wireless networking is called "Infrastructure Mode". If you have a secure wireless association configured in "Infrastructure Mode" you are using MAC attend to filtering, some level of encryption, and have made some bonus changes to your AP in order to foil just anybody from using it or capturing data. For more in a row on configuring your "Infrastructure Mode" wireless association take a look at the "Wireless Association Security" page at Defending The Net.

Links
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http://www. defendingthenet. com/WirelessNetworkSecurity. htm

However, for those who are not using "Infrastructure Mode", and are configured to commune from apparatus to machine, or "Ad-Hoc", there are a few equipment you ought to be aware of.

A wireless Ad-Hoc complex allows you to commune with other wireless Ethernet systems devoid of using a wireless access point. It's kind of a peer to peer configuration and it works fairly well. The catch is, most colonize just set it up, and fail to remember about it. At home, it's not a huge problem, but when your on the road, it could cause you a great deal of grief. The airport is almost certainly the best place to find Ad-Hoc networks. Affair men and women, delayed once again, power up their laptops and get to work completing the days tasks, or preparation tomorrows agendas.

I can't tell you how many systems I find in the airport configured this way. Not just in the terminal, but on the plane. About three months ago, just after we reached cruising elevation and were permissible to use our "approved electronic devices", I found that the gentleman two seats up from me had a notebook configured as Ad-Hoc. He walked by me about ten log later and commented on how much he liked my laptop. I thanked him, and asked if his mainframe was on, and configured to use wireless Ethernet, he said yes.

To make a long story short, I showed him that I could see his laptops wireless Ethernet and knowledgeable him of the danger. He asked me if I could contact his hard drive, and I told him that it might be possible. He asked me to see if I could, so I obliged. After configuring my mainframe to use the same IP concentrate on class as his, and typing "net use * hiscomputersIPAddressc$ "" /USER:administrator", I received a announcement that the correlation was doing well and drive Z: was now mapped to his computer. I performed a directory citation of his hard drive and the guy just about had a heart attack!

After this, he moved up to the seat next to mine and we spent the next hour or so configuring his notebook securely, starting with securing his computers local executive account. At one point at some stage in the configuration, he made the statement that I got real lucky for the reason that his local admin account did not have a password. My reaction to him was, I get lucky quite often.

Who Else Has Your Client List
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Just think of the possibilities. What do you have to lose if someone is able to just pay particular attention to the files and data on your laptop? Do you argue your buyer list on your notebook (Do you want this in the hands of a competitor)? How about your own finances (Identity theft ring a bell)? So many people I talk to firstly say, "I exceedingly don't have anything of great magnitude on this system". Then they think a a small amount bit and start rattling of effects they never really accepted wisdom about before. All of a sudden, they get concerned.

The fact is, whether it be "Infrastructure Mode", or "Ad-Hoc" wireless Ethernet communications, if not appropriately configured and secured, can pose a considerable risk. There are thousands of articles on the Internet about the dangers of dishonestly configured wireless networks, yet the amount of unsecured networks seems to be being paid greater, not less.

Strength And Pose Does Cut Your Risks
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Keep in mind that your objective be supposed to be to bring down the chances that you will befall a aim at for laptop compromise. When I was increasing up in South Philadelphia, I remember my vicar illuminating me that when you walk down the street, exceptionally in the evening, to walk tall, and assignment a attitude of asset and authority. Why, as thugs typically pick out those who look like an easy target. The same thing goes for laptop security. Cut the risks of becoming a aim buy configuring your coordination with a beefy security policy.

When I achieve defense assessments, I conceive a list of potential targets, and aptitude methods of compromise. I then prioritize that list by which system, with a detail vulnerability, may be easiest to compromise. Those at the bottom of the list typically never come on my radar screen; the best scenario it to keep of the radar altogether.

Conclusion
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If your are using wireless Ethernet, no be important what configuration, abide by a few rules and keep manually confident against most customary types of compromise.

1. Above all, make sure all your user financial statement have biting passwords, in particular those that have administrative check over your system;

2. Configure your wireless association to use some sort of encryption. I know there is a lot of affect about the "crackability" of WEP, but if this is all you have to work with, and then use it. It is still helpful;

3. If possible, use MAC addresses filtering to constrain unwanted systems from attaching to your wireless network;

4. Make sure the firmware for your AP's and wireless Ethernet cards are up to date. These updates can be found on your card or AP's aid site.

Remember, if you are compromised over your wireless exchange ideas it can be near awkward to track down where the act of violence came from. Worse yet, think about how many systems develop into compromised, and no one ever knows it?

About The Author
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Darren Miller is an In rank Collateral Consultant with over sixteen years experience. He has in print many technology & collateral articles, some of which have been available in nationally circulated magazines & periodicals. Darren is a staff critic for http://www. defendingthenet. com and more than a few other e-zines. If you would like to associate Darren you can e-mail him at Darren. Miller@ParaLogic. Net or DefendTheNet@ParaLogic. Net.


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