Security for 802.11 wireless networks.

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1answer
860 views

How ChopChop attack against WEP actually works?

From my understanding, ChopChop attack against WEP, which goal is to decrypt one packet without need to know the WEP key, goes like this: First, the attacker takes one ciphertext message from the RF ...
0
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1answer
65 views

Enabling wifi or bluetooth before user login in Linux

What would the security implications be of enabling and using wifi and / or bluetooth before a user logs into the system in a Linux box? Thanks for your help!
8
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1answer
23k views

Wireless client isolation - how does it work, and can it be bypassed?

Many SOHO routers these days support a feature called "wireless client isolation", or similar. What this is supposed to do, in principle, is to limit the connectivity between wireless clients ...
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3answers
2k views

Wifi - Can you be traced? [closed]

If you were downloading music and games from a Work Wifi, and knew the password is there any way they could trace you and what you have downloaded?
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3answers
585 views

I think someone is using my WiFi

I think somebody (maybe one of my neighbors) has access to my WiFi and is using it, because even when I reset my WiFi router it gets very slow, and some of my computers seem to have their WiFi ...
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2answers
229 views

Can I create a fake AP with my wireless card? [closed]

I type iw list and these are the supported modes: Supported interface modes: * IBSS * managed When I run hostapd hostapd.conf I get this: Failed to create ...
0
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1answer
588 views

getting an error in aireplay-ng in kali linux

When I was testing penetration testing on my router using kali linux, I followed all the steps from this link. In the step where you have to enter the router's bssid and client's bssid in aireplay-ng ...
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1answer
202 views

Home PC has been compromised remotely and even after cleaning my PC repeatedly, the problem still comes back, help please? [closed]

I'm a regular guy running two small franchise businesses with a basic understanding of computers etc, (very basic really), but I am certain my home network has been hacked and I am finding lots of new ...
0
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1answer
114 views

SSID rotation prevent tracking or not?

The Program VirtualWifi Manager can rotate SSID's. Does rotating SSID's prevent the google tracking _nomap problem?
7
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1answer
533 views

How does WPA2-Enterprise protect against an evil twin attack?

Original question title: What information do EAP-TLS certificates contain I recently read a couple of topics on stackoverflow, concerning the verification of Wi-Fi access points: How Are Wi-Fi ...
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1answer
472 views

Is there any way to hack the password of my neighbour WPA-PSK and WEP connection [closed]

Is there any way to hack the password of my neighbour WPA-PSK and WEP connection of WI-FI without using a keylogger. I tried a lots of softwares and efforts but unsuccessful. Can any one suggest. I ...
3
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2answers
121 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 ...
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0answers
41 views

wifi settings to the wifi that isn't mine [duplicate]

I am under someone's wifi and I don't feel comfortable with the knowledge that she can see everything I send and visit. How can I secure my devices and block out any funny buisness? I have the wifi ...
10
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3answers
11k views

How to best set up public WiFi without giving access to the rest of my network?

For reference, this is just for my home network. Anyway, I have quite a few of my neighbors ask me to share my internet with them. I'd really like to eliminate this "here's the password" portion ...
0
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2answers
240 views

How are Wi-Fi access points verified?

Most Wi-Fi security is focussed on blocking authorised access to the network providing a wireless access point; but considering the smorgasbord of background app-to-cloud communication on a mobile ...
2
votes
1answer
123 views

Identification info that my wireless card sends to the (wifi) network

Are any other identification information that my wireless card sends to the Wi-Fi network apart from the MAC address ? If so are they changeable? Let's say, for example, that I connect to a Wi-Fi ...
0
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2answers
2k views

Can 2 devices have same host-name on same network? [closed]

I can see one unknown android device on my network, but it has same host-name as my android device. QUESTION 1.Is this possible that on same network two different devices can have same host-name ? ...
22
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6answers
2k 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 ...
0
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1answer
118 views

Can strangers use Wifi to dial calls from my phone?

I watched an old episode of The Real Hustler in which they demonstrated how strangers can use some devices to force your Bluetooth-enabled mobile phone to call a premium rate telephone number. The ...
21
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5answers
21k views

Preventing deauthentication attacks

I am helpless against some kiddy with backtrack who repeatedly uses aireplay-ng to deauthenticate legitimate users on my Wifi work network. I captured and analyzed the network traffic on my Wifi work ...
2
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1answer
1k views

WRT1900AC and network monitoring

I just set up a new home network for my mom using a Linksys WRT1900AC router, and it has 24 devices on it right now, yet will have more soon. I can see the network map through linksyssmartwifi.com, ...
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1answer
120 views

How strong exactly is a 3gbps booter?

I heard some people talking about how they had a 3 gigabyte per second drddosser. That sounds all fine and dandy, but what can that actually do? Could it take down a website? To what extent?
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2answers
200 views

Renting a bedroom in a house with shared wifi, how to secure myself? [duplicate]

I'm renting a bedroom in a house with shared wifi, and I'd like to secure myself against any network snooping. I know that using the wifi network basically opens me up to snooping of any unencrypted ...
0
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3answers
258 views

Can my GSM network operator figure out the name of the Wi-Fi access point I am connected to?

I recently saw a film where the police were able to locate where the criminal was because the GSM network operator knew the name of the Wi-Fi access point the phone of the criminal was connected to ...
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0answers
52 views

Wifi channel selection algorithm [closed]

I was wondering, for SSIDs with multiple channels, what determines the channel which a client connects on? Is it the one with the strongest signal, the MAC address + SSID combination that the OS saved ...
3
votes
1answer
320 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 ...
1
vote
1answer
2k views

Bruteforce using crunch and Aircrack (custom starting number?)

I'm trying to do a Bruteforce attack on a handshake taken from my wireless network that is not WPS enabled. The reason I'm doing it is because I'm testing how strong a 10 digit phone number is as a ...
2
votes
2answers
229 views

Computer's IP address used by another in closed network?

I got an alert in the newest OSX (newest Macbook Air) and in Eduroam network that my IP address is used by another machine. This is my first time in life. I think I may have been attacked because I ...
0
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1answer
263 views

Password stolen on public wifi even though https was used [duplicate]

I saw this video where news reporter is in public place, and some security expert demonstrates to her that even though she logged in at page which was using https that guy got password in his ...
1
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1answer
64 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 ...
0
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1answer
3k views

Download Torrents on University network without detection [closed]

I am wanting to download some things using Bittorrent, but I have heard that they can detect when someone is downloading torrents. How can they detect this? And are there any precautions I can do to ...
0
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1answer
186 views

Creating a secure home network - Which firm ware should I use and how should I configure my firewall?

I am starting to take on more and more enterprise clients while working remotely from my home office. I have a pretty secure network at the moment, but I have a lot hardware that I am not using and ...
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0answers
69 views

How should a captive portal handle SSL requests, that are expired, or not authenticated?

What is the best course of action for a user that uses HTTPS anywhere, or tries to access a secure URL (from an phone based App, or from a browser)? Ideally, I'd like to get the phone to "prompt" via ...
13
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5answers
3k 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 ...
24
votes
4answers
11k 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 ...
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0answers
54 views

How to check the data used used by my device

how can i check the exact data (websites visited) through my wifi. I am connected to dongle and created a wifi hotspot on my laptop.Is there any information stored in the dongle too.
3
votes
3answers
3k 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 ...
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votes
1answer
3k views

What are the ways to block all BitTorrent clients from accessing my router? [closed]

What are all the values need to be entered in the source and destination IP address and Subnet mask in order to block the bit torrent file exchange.. i.e. blocking torrenting My router's filtering ...
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4answers
252 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 ...
2
votes
1answer
442 views

Is there a way to identify the location of a person trying to intrude your wifi network? my wifi router is picking up his attempts

Aug 30 20:28:09 dropbear[6799]: Child connection from ::ffff:5.10.69.82:38463 Aug 30 20:28:11 dropbear[6799]: login attempt for nonexistent user from ::ffff:5.10.69.82:38463 Aug 30 20:28:12 ...
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2answers
1k views

WiFi Hotspot's Evil Twin

So an Evil Twin Wifi hotspot is a hotspot with the same SSID and/or same MAC that when the victim auto-connect to this hotspot, all traffic go through this evil twin and thus the information ...
4
votes
5answers
3k views

Is MAC address filtering effective on a wifi router? [closed]

I want to improve the security of my home wifi. My neighbor wants to crack my Wi-Fi password with a nutcracker. I tried to activate the protection by MAC address, but now my laptop and smartphone ...
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votes
1answer
288 views

Anonymity with TOR in wifi connection (student house)

I just moved in a student flat where several students are using the same wifi connection. A few days ago the internet was very slow and a guy (son of the owner) came in to ask if I was downloading. He ...
1
vote
2answers
772 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 ...
29
votes
6answers
127k views

If someone hacks my wi-fi connnection, what can they see and how?

I have two questions on wifi security: If someone knows my wifi password (be it WEP or WPA) what can they see on my screen? Do they just see URLs I visit, or can they see everything in my ...
1
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1answer
294 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.
4
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2answers
6k views

WiFi security from another authorized user (roommate)

I believe we use WPA or WPA2 encryption. To what extent can another user monitor my traffic? Monitor my desktop activity? View documents I've saved on my computer? Tell what sites i visit? Tell ...
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vote
1answer
1k views

How does wifi-based geolocation work? [closed]

Looking at the Google geolocation API it claims: Geolocation API returns a location and accuracy radius based on information about cell towers and WiFi nodes that the mobile client can detect. ...
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vote
1answer
1k 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 ...
2
votes
1answer
631 views

2 AP (TP-LINK) - bridge mode - security issues

I connect two TP-LINK APs (TL-WA901ND) together over bridge-mode. It's all working fine but there is no option to set up some wifi-security (WPA/WPA2). Do I need wifi-security over bridge-mode? Any ...