Security for 802.11 wireless networks.

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6k views

How to know if unauthorized users have connected to my home wifi?

I have a TP-Link wifi router. There is no screen on the front to indicate how many devices are connected to it. Is there any way to either access logs or in real-time monitor how many devices are ...
3
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2answers
3k views

IP cameras or webcams and wifi/network security

If I have a: router with stateful packet inspection turned on, plus WPA2 security on the wifi network an IP camera or webcam connected to this Wifi network Is there any way to ensure that: ...
3
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2answers
3k views

Effective wireless scanning to meet PCI DSS 11.1?

PCI-DSS section 11.2 requires the business to "Test for the presence of wireless access points and detect unauthorized wireless access points". However, this is more easily said than done. Simply ...
3
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2answers
867 views

What additional difficulties are present in performing ARP poisoning on a secure wireless network (WEP, WPA) vs. an insecure one?

I just finished a project in which I coded a man in the middle attack on an unsecure network. I've tried to see how feasible it would be to extend this a secured network. Some internet searching has ...
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2answers
1k views

How is WEP/WPA2 key derived?

When I was a kid, WEP had a 40 bit key. Later, they came out with a 128-bit key. But as we all know, WEP was so badly-designed that the RC4 key length didn't really matter much. Ignoring this, my ...
3
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2answers
351 views

How to secure a network (FTP connections) from sniffers

I'm actually working in a medium sized company with security concerns. Let me explain you my problem : The context: My office has one single internet line. This line is accessed by anyone in the ...
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1answer
442 views

How secure is WiFi roaming if clients connect automatically to access points with the same SSID and security?

After reading a bit about WiFi roaming where multiple access points are set up with the same SSID and WPA/WPA2 shared key, I'm wondering how secure the concept of WiFi roaming is. If clients connect ...
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1answer
10k views

House owner can see who's connected to WiFi; what more can he see?

I live in a rental house, and use the house-owner's wireless network to connect to the internet. The owner can see who is connected to his wireless network and I had a few questions regarding this ...
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2answers
796 views

Why does layer 2 IDS seem underdeveloped compared to layer 3 IDS, for wireless network?

I understand that there are many applications such as Snort that do the job for network layer 3 IDS. From what I have researched, layer 2 wireless IDS seems like a field that is very slow in ...
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3answers
607 views

What are the security implications of phone based keyless entry systems?

I have just been reading about Lockitron which promises to provide phone based keyless entry for the home. As great an idea as this sounds it strikes me that it could come along with some very serious ...
3
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1answer
49 views

Xfinity Wifi Risk

I recently discovered and would like to use Xfinity Wifi around town. However, it seems like a remarkably dangerous thing to do, even if you do confirm an access point's location via their ...
3
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2answers
597 views

If I set up a home web server, will computers that use my wi-fi be vulnerable?

I'm interested in setting up a web server on an old laptop L1. My plan is to connect that laptop to an Ethernet port on my router. I also have another laptop L2 accessing the router via wi-fi. L2 ...
3
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1answer
226 views

Securing my network: unmasking spoofed mac possible?

In Kali you can: airmon-ng start wlan0 ifconfig mon0 down macchanger -r mon0 (-r changes mac id to a random number) ifconfig mon0 up This attack for example: aireplay-ng -0 2 -a [ap mac #] -c ...
3
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3answers
4k views

How to use my WiFi to inspect its user traffic and to run MiTM attacks?

As part of a security research, I need to make my WiFi open, and to inspect the traffic of the ones who connect to it. Additionally, I need to be able to change the content of the webpages they see, ...
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2answers
2k views

Wifi security SSID clarification

I've read several Wifi security related questions on here. There are two things related to the SSID which I don't fully understand. Is there a best practice for SSID naming? I know that changing the ...
3
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1answer
537 views

WPA vulnerabilities for pentest

As I am a network&IT enthusiast, I was asked by a friend to pentest his WPA network. I'm wondering if there is anything else I can do beside a bruteforce attack, trying the KARMA attack on ...
3
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1answer
53 views

Detect a Virtual Machine on my Wifi?

Is there a way to detect whether a machine connected to my wifi is a physical machine or a virtual machine?
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2answers
590 views

HTTPS in captive portals and the Apple Captive Network Assistant

Suppose I connect to the Wi-Fi of a company I trust enough to give them my credit card number (say, my local airport). When I connect to their Wi-Fi network, my web browser gets redirected from any ...
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3answers
166 views

What previously-unknown Wifi access points will devices automatically connect to?

I was reading an article on an iOS8 SSL exploit on The Register when one quote caught my eye: “Anyone can take any router and create a Wi-Fi hotspot that forces you to connect to their network, ...
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1answer
5k views

Which part of the eapol packets contain WPA password Hash?

I have captured wifi traffic from a WPA network using Wireshark. I filtered the results for "eapol" packets and noted in the info column there are message type 3 and type 1. I believe this is two ...
3
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1answer
3k views

Wireless MAC Address Filtering - Authentication/Association

Can somebody explain to me how a wireless AP denies access to the network if the client does not have the correct MAC Address. Does it not send a probe response when a client has not got a correct ...
3
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1answer
267 views

Mysterious Incoming/Outgoing Packets on my Wireless Connection

Right now I am connecting to my work server as usual and during my connection through the VPN I always monitor the network ping through terminal and its always between 70-90. It usually never goes up ...
3
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1answer
907 views

How can I find out if someone has been on my home wifi network?

I am aware of DCHP tables, and apps that can scan your network to see who is "currently" on your wifi network, but I am more interested in how to tell if someone has been on my wifi network at some ...
3
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2answers
213 views

How can I tell who's using my cookie information on an open LAN?

I think someone is using my cookie info to log into my Facebook account on a public Wi-Fi network. How can I determine if this is happening and from what IP address?
3
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1answer
497 views

captive portal wikipedia article

Something on the wikipedia page regarding captive portals have confused me: http://en.wikipedia.org/wiki/Captive_portal When a client requests a website, DNS is queried by the browser. The ...
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1answer
95 views

How can I test my guest network?

I enabled my guest network and put my devices on it so my communications could be separate from the rest of my family on the main network. How can I test this to ensure the guest network really is ...
3
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1answer
87 views

Does WPS actually send passphrase?

As you know, by hacking WPS we can get the networks PSK but my question is that does WPS exactly transfers PSK when connection established? If so, Why does it need to send PSK? I mean, if the session ...
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1answer
108 views

Can a wifi network have WPA encryption, WEP cipher and OPEN authentication?

Can a wifi network have WPA encryption, WEP cipher and OPEN authentication?
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1answer
191 views

Why do inflight wifi networks display a captcha?

When you log on to Gogo Inflight Wifi or similar, Gogo displays a captcha: A CAPTCHA is usually associated with preventing automated traffic from accessing your network; however, to connect to Gogo ...
3
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2answers
140 views

Could SSL-like encryption be used for not password-protected wireless access points?

I'm looking at ways an outsider (i.e. someone without a possible password) of the network could sniff the communication within the network, specifically focusing on WLAN. This is what I understand ...
3
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1answer
410 views

WPA2 enterprise credentials involved in encryption?

Since encryption keys are session-based in WPA2 enterprise, if person A obtains person B's credentials, will person B's encryption key still be safe? Is there any way person A could use person B's ...
3
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1answer
2k views

WiFi Direct/WPS key question

So far, I haven't seen any PoC or real-world attacks against WiFi Direct, but I see the potential because it relies on WiFi Protected Setup (WPS) for establishing the connection. Tools like Reaver ...
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2answers
256 views

How are WPA Keys stored on a router?

Should the router only store a hash of my encryption key or is it stored as plaintext? I believe (but not certain) that the WPA key is itself an encryption key, buy shouldn't that be encrypted like ...
3
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1answer
902 views

Strange packets coming over wireless, looking for clues

While running airodump-ng in town, I have noticed an unusual type of AP or pseudo-AP. There is a steady stream of wireless beacon frames coming in on channel 6. The frames are valid, but have several ...
3
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2answers
15k views

How to detect/list rogue computers connected to a WIFI network without access to the Wifi Router interface?

This is what I believe to be an interesting challenge :) A relative (that lives a bit too far to go there in person) is complaining that their WIFI/Internet network performance has gone down ...
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0answers
25 views

Reaver stuck at flow_handler

I tried to run Reaver against my router at home using an Ubuntu 15.10 laptop. The command used was: sudo reaver -i mon0 -b XX:XX:XX:XX:XX:XX -vv -c 7 -a (the channel I got from aerodump-ng). I'm ...
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0answers
53 views

WiFi Fingerprinting RFC2617 Linux Device Cannot Unauthenticate Unless AP Password Changes

There is a Cisco WiFi Access Point in the office that is intended for guests. It is an open network in that you can associate without providing a password with the SSID. It supports RFC2617 and so the ...
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0answers
1k views

Bypassing Hotel Wifi authentication using VPN [closed]

I'm currently in a hotel with pay per day WiFi, I have have logged into it a couple of times on my phone. I just turned on my VPN before logging in to the WiFi and it seems to have bypassed the hotel ...
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0answers
64 views

If I install a certificate for the purposes of logging into a Wifi connection, is it still safe?

There are some wifi networks (large universities for example) which use HTTPS to get to a login page, and in order to verify that they have not been spoofed, provide the certificate ahead of time ...
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0answers
816 views

What is the most common default security setting on most consumer and small business Wi-Fi routers? [closed]

I am writing a paper right now which involves Wi-Fi security (I'll spare you the details). A major argument in this area depends on the assertion that Wi-Fi routers come defaulted as open networks (ie ...
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0answers
114 views

How to find rogue access points? [duplicate]

Possible Duplicate: Tracking down a rogue access point Rogue access points can pose a threat, when employees connect to them. What are some techniques that can be used to find these ...
3
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1answer
50 views

Least riskiest option when it comes to reinstalling the OS

I understand security is a continuum rather than a binary, which is why I'm asking this question. I need to reinstall the OS on my Macbook. However, after a security mishap, I’m far more alert about ...
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4answers
558 views

Which Wifi encryption method is secure?

you may wonder apple just removed ethernet port from new macbooks which means we have to use wifi! i made a wifi hotspot with my windows laptop to use for my macbook (my modem don't have wifi because ...
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2answers
853 views

Exploiting free WIFI security

So I was watching some Backtrack learning videos and similar stuff, and noticed how there is always talk about getting people's information. For example if someone using unsecured WIFI you can see ...
2
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1answer
7k views

How mobile app WiFiKill can cut off internet access to neighbor devices?

There is a program for android- WifiKill which disables wifi internet access of some neighbor peers connected to the same wifi AP. How does this program work? ARP poisoning or some other techniques? ...
2
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2answers
944 views

I fortuitously accessed the configuration of unknown router: how come and what now?

I've encountered a strange thing. I connected to an open Wi-Fi, then I was just fooling around. First, I visited 192.168.0.1 and it was a router configuration page but default password didn't work. ...
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2answers
123 views

Laptop had a NSFW page open when I got to work, cause for concern?

I use my personal lap top for work. The other day I took it in an opened it, logged in and there was a NSFW page open from when I last used it at home. I immediately closed the (incognito) page, no ...
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2answers
1k views

Hidden network no beacons

Do hidden networks send beacons? I have seen hidden networks in backtrack and Ubuntu using airodump-ng. The output is weird like the power is shown as -1. Why does this happen? As you can see ...
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2answers
293 views

Wifi Sniffing Prevention

I share my wifi with my brother. Recently I came to know he is sniffing on my browsing. Is there a way I can prevent him from sniffing on my browsing? PS: I can't afford VPN.
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2answers
872 views

How to prevent user's mobile phone position tracked

Trying to follow up this post How to trace a (mobile) phone? , the answers on how to prevent being tracked while you own a mobile phone are: You cant. (even if you use disposable phones etc) 1) Why a ...