Questions tagged [wifi]

Security for 802.11 wireless networks.

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37
votes
5answers
9k views

Security impact of using a public password for free WiFi

We have a WiFi network that we want to be public and free. Does having a password that is known to everyone provide any additional security advantage to the people using this network as opposed to ...
1
vote
1answer
396 views

Wireless Access Point security with TEW-638APB

We have a large network that is private, with both eithernet and Wifi access. We'd like to make another smaller network that is wireless, open, and possibly throttled, and not able to access our ...
3
votes
3answers
8k views

intel wireless 5100 AGN adapter to support injection

i ran aireplay-ng -9 wlan0 and it seems that my intel PRO/Wireless 5100 AGN adapter does not support injection. i use Ubuntu 10.10 64bit (2.6.35-25-generic kernel). is it possible to make the adapter ...
8
votes
2answers
2k views

What security risks do unauthorized mobile hotspot (MiFi) devices on company proprerty pose?

I'm having some difficulty determining how, or if, MiFi devices on property should be regulated. Personally, I see them as having little difference from any other rogue AP in the environment - the ...
8
votes
6answers
657 views

Doing a demo about open wireless networks exploiting with Firesheep

A collegue and I have been asked to do a demo where we show off stealing Facebook sessions with Firesheep. I've never used Firesheep before myself, but I reckon it should be a simple task. I know the ...
4
votes
4answers
973 views

What particular concerns should one bear in mind when wardriving?

I'm considering starting a neighborhood-wide wardrive, with the objective of raising awareness to the risks of running unsecured wireless networks. Right now, I'm still in the planning stages of this ...
33
votes
6answers
17k views

Are MAC Address Filtering and SSID Hiding still worthwhile?

On a recent certification exam, I was presented with a question about ways to secure an 802.11 wireless network. It was a multiple-answer question, but the only two available answers that related at ...
23
votes
5answers
8k views

Access to a router's GUI

During a recent visit to a coffee shop, I noticed that they hadn't bothered changing their default user name and password for their router. I realise that someone could log on and be annoying to ...
146
votes
11answers
91k views

Is visiting HTTPS websites on a public hotspot secure?

It's often said that HTTPS SSL/TLS connections are encrypted and said to be secure because the communication between the server and me is encrypted (also provides server authentication) so if someone ...
29
votes
7answers
4k views

How to secure a WiFi network?

What do I have to do to secure a WiFi network? Is there any best practices? I have been recommended to use WPA2 encryption on the router, is that enough? What can I do to improve the security even ...
12
votes
4answers
1k views

Wireless Activity Monitoring for PCI DSS Compliance

In an effort to be PCI DSS compliant, I took a trustkeeper.net questionnaire. I failed the question that asks: Is the presence of wireless access points tested for by using a wireless analyzer at ...