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Friday, December 14, 2007

Malware is FREE on Wireless Networks

I love that when I travel I can get online from just about anywhere. High speed WiFi networks are now available in most hotels and airports of the world. This is a big change from when I used to bring wire strippers, electrical tape and a screw driver when traveling. In my old Q-Link days hotels didn’t even have modular jacks so I used to unscrew the phone jack to wire up my 300 baud modem.

Unfortunately, WiFi public networks can be a real danger to your privacy and the security of your computer. If you’re connecting to an unsecured WiFi network your data is up for grabs to anyone with the right tools. Keystrokes, Emails and passwords on unsecure web pages can be grabbed out of the air.

What you also need to watch for is bogus WiFi networks that phish for your connection. One of the guys at VirusList.com recently blogged, while sitting at Schiphol Airport in Amsterdam, that his computer found suspicious networks with names like “Free Public WiFi” and “US Airways Free WiFi”.


Beware of free Wireless Networks

Just driving around my neighborhood I was able to find a number of wireless networks open to the public. At a hotel or airport you’ll see many others including some with the word “FREE” in their name. Beware!

According to VirusList.com

“It's easy to spot rogue WiFi links - you just need to look for the following signs:

- an enticing name like 'Free Wifi' or 'Free Internet'
- an AD-Hoc type connection, rather than an access point”

If it’s an AD-Hoc network you should see the words, “Computer-to-Computer” under the network name. The ones shown in my example are Access Point networks.

They also recommend the following…

“- use a VPN link over any public WiFi internet access link to dial back home and access the internet using a secure proxy over the VPN link
- use only encrypted IMAP e-mail connections to read mail, TLS or SSL
- beware of fake certificates
- use a firewall and IPS or a combined security solution such as KIS7”

Most of you don’t have or probably don’t know what a VPN is so I’ll offer you an alternative. I use a service from GoToMyPC.com.

Using GoToMyPC when I travel, I connect to my home/office PC. I open up my Outlook Email as if I was sitting in my chair at home. It also means I don’t have to sync up stuff I’m working on when I leave and return. I even sign on AOL from that computer via GoToMyPC. Essentially my laptop acts as a dump terminal and the entire session is done using 128–bit AES encryption. The service is $20 a month but you can click here for a free trial.

If you’re a regular reader you’ll remember I recently changed from Time Warner Road Runner to Verizon FIOS which provides much greater upload speed. Many broadband providers give you lots of download bandwidth but a small slice for upload. Having more bandwidth allocated to upload is especially helpful for using GoToMyPC.

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5 Comments:

Anonymous Anonymous said...

I wanted to mention LogMeIn at logmein.com because it is a FREE alternative to GoToMyPC... I've been using LogMeIn for years for free. Completely free, no gimmicks. The performance of LogMeIn is excellent even over slower links -- I've used it on the exasperatingly slow Internet speeds available on cruise ships.

LogMeIn also has another free service for doing VPN, called LogMeIn Hamachi.

In both of the above service offerings there is a free and a paid version available if you need extra features, but unlike GoToMyPC, you can use the Free versions indefinitely instead of only for a trial period.

11:05 AM  
Blogger Greg said...

Thanks for the article, Bill. I didn't know about rogue access points before.

However, I would like to ask a question.

Wouldn't logging into GoToMyPC or LogMeIn expose you to someone sniffing for a username and password on the public connection to either of those remote access sites?

In that case, you're running the risk of someone accessing your home PC or other computers on the list of configured connections via the remote access account.

1:30 PM  
Anonymous Someone said...

I'm going to have to agree with anonymous. You can use LogMeIn, totally free, for life, with a great interface and some pretty cool features. it also has 256bit encryption when connected to your computer...so, seriously, why pay for gotomypc!?

4:37 PM  
Blogger Bill Pytlovany said...

Good question. I had to think this over in my head a couple times to be sure I was giving good advice.

When you use GoToMyPC and I'm sure LogMeIn, you go to a page that is a secure "https:" page. It's one where you see a lock in the bottom of your browser. This indicates any text which is transmitted will be encrypted.

Bill

5:17 PM  
OpenID AdamAtDelfi said...

Comment is COMPLETELY OT, but...

Bill said: "In my old Q-Link days hotels didn’t even have modular jacks so I used to unscrew the phone jack to wire up my 300 baud modem."

Ha! Q-Link....wonderful, love the reference! Brings back memories of my Vic-20, 110/300 baud coupler modem, and loading a terminal program off a Radio-Shack 60 minute cassette tape (Q-Link came on a fancy 5.25" floppy). Now THOSE were the days!

Also reminds me of a statement/article, from that era, called 'The Last Significant Byte'. If someone else knows the above I'll really be amazed.

Nice site/product by the way, this is my first visit. Cheers! - Adam

2:26 AM  

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