Security for 802.11 wireless networks.

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95 views

Is the GTK or MIC in the unencrypted portion of a WPA protected frame?

In order to decrypt traffic you must have all 4 portions of the WPA Handshake. In WPA protected data frames, is there an unencrypted portion of that frame that has some sort of identifiable value to ...
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3answers
3k views

How wep wireless security works?

I want to know more about how WEP (Wired Equivalent Privacy) protocol for wireless securiy. From this wikipedia article I have got a basic Idea. But I still don't get what the initialize vector is? Is ...
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3answers
115 views

Why does changing physical router not warn of possible man in the middle attack?

Situation I swapped out a dead router at home today. I setup the new router with the same SSID and encryption settings. The devices on my network acted like nothing had happened and are happily ...
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1answer
5k 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? ...
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2answers
144 views

Wifi box produces three SSIDs?

While using a friend's wifi, he said I should use his SSID, let's call it XYZ's Wifi. When I started my Macbook Pro, three SSIDs came up. Two were called XYZ's Wifi and the third was called XYZ's ...
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5answers
519 views

If I am not logged into my company's WIFI, can they view my information? Or am I transmitting?

I was at work using my phone. We have an open WIFI, but I did not use it to go online. I was wondering, can my information be viewed or was I transmitting data even though my phone said I was not ...
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3answers
415 views

Can I use an AP “Bridge” with password to imporve security over an open, unencrtyped WiFi signal?

I have access in my neighborhood to an open, unencrypted WiFi signal but I am leery of using it because of security reasons. I don't want to let my username, passwords or credit card numbers ...
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1answer
408 views

wireless: Jamming or interference? [closed]

I'm currently in a hotel trying to access the internet through the wireless offered by the hotel. WPA2-Personal network, password consisting of 16 numbers. Connecting to the wireless works fine, ...
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3answers
1k views

What devices support the permanent addition of an ARP table entry? What tools are available to manage this?

I would like to improve wireless security and certain other on-net security scenarios with a permanent ARP table entry. The idea being that someone on the same subnet or WiFi network will have a more ...
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2answers
123 views

How secure is wifi traffic from shared users?

If two persons use the same router, which has an embedded WiFi access point, for accessing the Internet, is it possible that one can see HTTP traffic HTTPS traffic TOR traffic of the other in the ...
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1answer
552 views

How the shopkeepers are getting MAC address of wifi enabled smartphones

It is clear that some big mall's are tracking all the wifi enabled mobile phones before they are connected to the network..how can it been done? I have the similar issue.. how to get the MAC address ...
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2answers
190 views

I want to remove my WAP access list

Background: Fabrication of data is a high security concern Interception of (most) data is a low security concern Destruction of data is a medium security concern (everything is backed up, but ...
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3answers
575 views

Preventing 3rd party DNS Servers from being used

While using a wireless network recently that implemented a captive gateway, I noticed that any third party DNS servers manually set would not allow the network to connect properly. This would seem ...
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3answers
307 views

Is there a security problem accessing my laptop via WIFI?

I'm developing a web application for mobile devices on my local server in my laptop. My laptop is connected to company network via LAN. And, my project manager, wants to check the web application ...
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1answer
205 views

Security w/ Router Behind a Router?

I have a SMB (small-to-medium-business) router (router x) that my workstations run off of in my small business. I wanted to offer my customers wireless internet while they wait for service so I ...
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1answer
12k views

Does Kismac 0.3.3 (0.3.3) work on Mac OSX 10.8.2 [closed]

Does Kismac 0.3.3 (0.3.3) built on February 7th work on Mac OSX 10.8.2 It doesn't seem to scan for me. Both are the latest versions as of today.
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2answers
1k views

Can an insecure wifi connection block users who download a lot, from say: torrents or usenet? [closed]

Can an 'insecure community network' have automated features to block internet or slow speeds on computers which download a lot, from say: torrents or usenet? I have two computers and one has ...
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2answers
26k views

Wifi WPA cracking with reaver

Hello! This question for anyone who tried or succeeded to crack wifi wpa/wpa2 keys with backtrack linux and reaver. So, I wanted to test on my wifi router. I started everything as described here. But ...
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2answers
647 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 ...
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1answer
1k views

How WEP/WPA authentication works in a WiFi environment?

I'm looking on a clear schema that would explain how a computer connect to an WiFi access point (WEP or WPA in any version (1,2)). The basic schema would be : Computer looks which AP are available ...
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2answers
779 views

How do I holistically protect a web service from network and MITM attacks?

I have several financial web services that are accessed over HTTPS, however the client devices may be accessing the web services over untrusted WiFi, through questionable proxies, and possibly ToR ...
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1answer
759 views

Testing my network using aircrack-ng not working

I an using Fedora 17 With Intel 5100 card. When I execute the command: [root@fedora user]# aireplay-ng -9 mon0 10:26:46 Trying broadcast probe requests... 10:26:46 Injection is working! 10:26:48 ...
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4answers
116 views

Secure home WIFI-router?

Today most of the home WIFI/Routers are vulnerable from a security perspective, with various backdoors, UPnP issuses and more. What should I look for when I as a home user want to get a secure ...
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2answers
108 views

Can attackers be traced if they used public WiFi

I always thought it's possible to track attackers unless they try to hide their identities using some form of "physical" disguise. No matter how many proxies you use even TOR seems to be traceable by ...
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1answer
79 views

Shared Key vs Pre-Shared Key

Does Shared key and Pre-shared key mean different thing ? Currently reading Text , Security+ Guide to Network Security Fundamentals.
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1answer
190 views

how long does it take to crack wpa or wpa2

I have a laptop with processor intel core i7 with turbo boost up to 2:7 ghz 8gb rams and gpu NVIDIA GeForce GT 740M (2 GB DDR3 dedicated) i want to know in approximation how fast ( in word/sec) can ...
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1answer
61 views

how to trace or get evidence you've been hacked [closed]

my devices and my network have been compromised. I foolishly left my router unprotected and they were able to gain access to all my apple devices and then install some sort of software that will take ...
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1answer
241 views

What are the weaknesses of WPA with TKIP?

I am researching about the weaknesses of WPA with TKIP. I have an idea that the AES-CCMP mode is better than TKIP, but what are the weakest points of TKIP? Also, I am wondering about the disadvantages ...
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1answer
172 views

Secure connection between two clients inside a wifi without internet connection

I'm currently trying to understand secure connections inside a WiFi network without an Internet connection. I would like to use some sort of SSL tunneling inside a WiFi network between two clients. ...
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2answers
207 views

Idea for hiding your mobile phones' location, and still be able to place and receive calls. Any suggestions?

The diagram below is a thought experiment that could provide a certain level of privacy to mobile (smart)phone users, beyond what they currently have. Some of it is purely theoretical, but it should ...
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1answer
101 views

Are there risks associated with connecting to a public hotspot?

When connecting to a unknown public hotspot, I know that the data transmitted can be captured and, if unencrypted, easily analyzed. But that's not the question here. I want to know whether the ...
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1answer
2k views

What details does my iPhone reveal about the user (if any) when I connect to a wifi network?

I accidentally used my work's wifi to look at porn using my iPhone. I refreshed a tab I had open from a session when I wasn't at work. Now I'm worried my firm will find out. The network is ...
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3answers
798 views

wpa2-psk + wireless isolation = secure connection?

from what I've read: If I am on a wireless network without encryption, any other computer connected to that same network could easily (with right tools & knowledge) intercept any traffic I ...
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1answer
2k views

stay anonymous in wireless network even if you are part of it

Even though router knows you are always there, what are some other things we can do rather than changing MAC address Ok the thing is there is wireless access point(router) and a user(owner of router) ...
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1answer
320 views

How do I secure my network with an open wifi?

I have a business with an open Wifi router for my customers, I was wondering if I put the wifi router on a different subnet would help protect my wired network?
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2answers
884 views

What is the best way to protect a captive portal againt MAC spoofing

What is the best way to protect a captive portal againt MAC spoofing? The MAC Address appears one of the only ways to distinguish wireless clients from one another, anything one authenticated client ...
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1answer
3k views

Wifi login redirect applications

This may sound a bit naive questions as i am a beginner. But I do my best to put it into words. You may have experience when sometimes you want to use the internet in a cafe for example (with your ...
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3answers
501 views

Attaching hotspot to existing network - can it be secured?

I used to work for a company that did wireless hotspots, and this is the challenge that was given to me one day. I don't believe there is a secure solution to it, but it still bugs me for some ...
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3answers
710 views

Wireless LAN router fingerprinting

Does anyone know of a database that lists the range of MAC addresses that are assigned to each particular brand of router? I would like to use this information for fingerprinting. I know I can find ...
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2answers
159 views

hardware required for wifi security system

i am planning to implement one WIFI security system , in which one can lock or unlock door remotely. As i have serched over internet and i came across lockitron and schlage Now what i want to know ...
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1answer
438 views

Designing and managing a captive portal

I'd like to learn more about how a captive portal works, especially the management system regarding usage, security monitoring, billing, security architecture etc. Does anybody know any good ...
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1answer
25 views

Remote Auditing a Secure WiFi Network-Obtaining enough of the Secured-Network credentials to attack without being in range of WiFi

I was wondering if there are any methods I'm unaware of that will allow an attacker to attempt to obtain WiFi access outside the physical range of the WiFi signal. When using net-stumbler or any ...
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1answer
49 views

What level of access do clients on a secured wireless network have as to the traffic of other clients with wireless isolation enabled?

Given a secure wireless network (lets say WPA2) with clients A and B, what level of traffic can A see from B? if the router has "wireless isolation" enabled? does it make a difference?
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2answers
41 views

Risk for information not being transmitted when connecting to an evil twin wi-fi spot

If I connect to an evil twin wi-fi hotspot, aka rogue AP, among other names, are only the data being transmitted at risk, or, are the data on my HD also vulnerable? I am working with Windows 8, ...
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3answers
779 views

Can an attacker sniff physical network traffic through WiFi?

So, I am wondering - is it possible for an attacker to sniff traffic on an Ethernet connection if they are not physically plugged into the modem/router hardware but they are connected through wifi? In ...
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1answer
104 views

Internet monitoring and DNS encryption

If someone hides their DNS traffic by encrypting it with a service such as OpenDNS's DNSCrypt, would you still be able to see which URLs they're viewing? Also, if that person uses HTTPS 100% of the ...
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1answer
195 views

how to protect my linux pc from wifi sniffing

I have a wifi shared connection with other flatmates and I'd like to know how can I protect my Debian pc from being sniffed. Should I use a wifi anti sniffer to detect if any wifi card is in ...
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3answers
285 views

Can be WiFi credentials obtained by autoconnection feature + a mimicking hotspot?

Mobile devices like smartphones and tablets have the feature to autoconnect to wireless networks of known name. The same is with laptops and other hardware using WPA2. Is it possible to: a. Obtain ...
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1answer
7k views

How much can someone see from my iPhone by connecting to my wifi

How much can someone see from my iPhone by connecting to my wifi and can they copy my messages files documents etc
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1answer
191 views

MiTM not working --rejected by router?

I have been attempting to run a MiTM on a very old XP SP3 computer. I have attempted it with 3 products, as listed below: Wireshark: Traffic from the computer did not even show up. (I did see traffic ...