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Originally Posted by simonrex22
If you have no security on your wireless router, is there a way to monitor if anyone is using my connection?
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Yes, but you would probably find it more annoying than just using security methods people have already mentioned.
Why do you ask? Are you trying to protect your connection, or trying to provide access and monitor who's using it?
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Would someone using my connection slow down my internet speed?
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Of course. Maybe a little, maybe a lot.
Dilbert, I agree with what you said in principle but security in depth includes signal strength. Used alone it would be weak obscurity. Definitely, encrypt and do the other things, but don't forget to minimize your radio footprint. Not only is it responsible use of the spectrum, but it contains the range of attacks.
The assumption should be that the semi-skilled can hear you and intercept at least twice as far as you can connect. At least. Make use of directional antennas (or simple reflectors) and reduce output power to contain your footprint and minimize exposure.
Of course, you're right, simply turning down power can cause its own problems. Better to focus, then reduce within reason.
Sometimes though, you can't win. I think we need security drivers licenses.
I had a customer the other day - an insurance brokerage owner - ask to get their customer database online so they could work from home. "Yes, all customer data." A VPN would be too difficult. But encryption means family will have to reconfigure their laptops. Can I still use AOL? Boo hoo. Cry me a river. It took all the liability warnings I could muster to slow things down. The "it won't happen to me" attitude I see every day tells me the baddies are having a ball.