Security for 802.11 wireless networks.

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5
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1answer
3k views

What makes PINless Wi-Fi Direct using WPS on Android secure?

I've read from Wikipedia that Wi-Fi direct uses WPS (Wifi Protected Setup), and I know that in Android (at least what I have which is 4.0.1 on Galaxy S3) uses the WPS method of the "push button" to ...
5
votes
3answers
485 views

Why does switching to “n-only” help preventing attacks on WPS?

I just cracked the ap of a friend of mine (Linksys E4200) and we were looking for a way to rid him of the vulnerabilty. Unfortunately the E4200 does not disable WPS when you tell it to (via web gui). ...
5
votes
0answers
104 views

Why doesn't the 802.11 standard implement TLS for wireless handshakes between clients and routers?

Why aren't wireless handshakes sent using TLS? It seems like it would be relatively simple to implement, perhaps having the vendor insert the private key into the routers. That way WPA/WPA2/WEP ...
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 ...
4
votes
4answers
2k views

Does using WPA2-Enterprise just change the attack model vs WPA2-PSK?

As far as I can tell based on the reading I've done so far, WPA2-Enterprise uses the same encryption and security algorithms and methods as WPA2-PSK, with the addition of using another service for ...
4
votes
3answers
32k views

Can a hacker sniff others' network data over a wireless connection?

Provided that the hacker knows the WiFi password if any (WEP or WPA), is he capable of sniffing network data of other hosts connected to the same access point?
4
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3answers
1k views

How do I protect myself against 'hole 196'?

I came across this question a while ago and read about hole 196. Is there something I can install on my laptop to protect it against WPA2 Hole196? Software (such as Snort or DecaffeintID) can ...
4
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4answers
534 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 ...
4
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2answers
503 views

intrusion detection on own hotspot?

Is it possible to detect failed logins on the hotspots you create with your windows/linux laptops? So you can detect some dumb brute force/guessing attempts? For example, a log like this: TIME DATA - ...
4
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5answers
631 views

Can the wifi administrator in a shared office see mail sent through outlook?

I am hot desking in the same office as a potential competitor & would be using the same wifi. The building owner runs the competitor company. My question is, can the wifi administrator see mail I ...
4
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3answers
579 views

Access point fingerprinting

Does someone know of a project or a way to "fingerprint" an access point (a router)? Fingerprinting should be done irrespective of broadcastet BSSID and ESSID. BSSID and ESSIS may be included in the ...
4
votes
3answers
12k views

Is it possible to create a custom login page for your own Wi-Fi hotspot?

How do I create my own open Wi-Fi hotspot/access point with a custom login page similar to those found in commercial hot-spots? The page would be accessible using Windows or iOS, and users would have ...
4
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3answers
3k views

How can I check wifi activity?

I have a LAN network with three computers connecting to the Internet both through wired and encrypted wifi connections. Is there a way I can check who is connecting to the Internet via the wifi ...
4
votes
1answer
235 views

Securing wifi with encryption

So I have been hearing that using WPS Pin is not secure at all and that there are available downloads that can brute force attack the pin until it uncovers it depending on what encryption you use. I ...
4
votes
1answer
6k views

Is brute-forcing the only way to crack WPA?

I don't know much about how WPA algorithms work internally. Is brute-forcing an AP the only way to crack WPA? (or to get associated with AP) Another question is about Reaver-WPS, what if an access ...
4
votes
2answers
7k views

Estimated cost to make a brute-force WPA2 attack feasible

It's been shown that a brute-force attack on WPA2-Personal is possible in a reasonable amount of time. These successful attacks appear to be limited, however, to researchers who have the budget to ...
4
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2answers
116 views

Should I set different passwords for different Wi-Fi bands?

My new router supports both the 2.4 and the 5 Ghz bands, and it obviously allows me to set a different password for each of them. Now, since cracking just one of the two means that the attacker would ...
4
votes
1answer
1k views

Hotspot with same SSID, how does authorization work?

My university has a wireless network I log into with my username and password. It's using PEAP. My phone and laptop automatically connect to this SSID when they detect the network. If someone sets up ...
4
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1answer
821 views

Stealing WiFi Internet connection

I received a mail about illegally sharing copyright-protected material on the Internet; I never did it. I checked my router's configuration and noticed that the MAC address of one of the connected ...
4
votes
1answer
124 views

Tracing Wireless Card

Let's say that hypothetically someone had broken into a WiFi connection. We can't find any evidence of whom it is via sniffing the traffic or anything of the sort. Is there any way to triangulate ...
4
votes
3answers
153 views

Getting automatically logged in to others session via WIFI

Recently i got a very strange behavior on our WIFI network: We share a WIFI network with a simple router. One of us pays the bills and he's the one, who got the management account from our ISP. So if ...
4
votes
2answers
5k 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 ...
4
votes
1answer
873 views

Is a public known password protected Wifi more secure than one without a password?

When connecting to a public Wifi from a café for example, some don't use a password and some do. If they do use a password it is often publicly known to everybody around. Does having a password on ...
4
votes
2answers
945 views

Giskismet query, how to select specific data?

I’m basically trying to get some stats from my war drive kismet database using giskismet but I’m finding it difficult to get specific data. Things I'm trying to do: Count how many wireless BSSID’s ...
4
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3answers
556 views

WiFi connection history

I have a hunch someone is logging on my wifi. I already know how to see who is currently using my wifi, but can I find out who was using my wifi in the past?
4
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1answer
371 views

Can I isolate a specific computer on my network?

My brother gets malware infections practically every week. Apparently he had a infection over the past 24 hours, I only noticed it because I checked the router logs and saw a massive amount of network ...
4
votes
1answer
501 views

Measuring SNR to detect jammers in Wi-Fi networks

I'm trying to figure out a way to detect a Wi-Fi 2.4 GHz signal Jammer. I am not looking into locating the location of the jammer but rather detect the jamming signal. How do i do so using only ...
4
votes
3answers
259 views

Security in wireless ad hoc sensor network (without physical access)

I want to know without taking physical access, what are the methods that can steal the data in a node. When talking about eavesdropping, how can an attacker sniff the packets? Do they need to listen ...
4
votes
2answers
367 views

Can botnets be injected through open wifi to smartphones?

I have read this paper, which is answers part of the question. It answers, 'open wifi will help increase the spread speed and impact' but what I want to know is, can you 'plant' an open wifi access ...
3
votes
4answers
345 views

Is it possible to configure any of wifi protocols so that the network is undetectable?

I am wondering if it possible to configure my DD-WRT router so that the wifi network I am using is undetectable - impossible to tell if there is any network broadcasting even if there are clients ...
3
votes
1answer
565 views

Is it really true that Google knows most of the worlds wifi passwords

Computer World is reporting that Android devices phoning home have given Google a database with almost every wifi password in the world to it. Is this groundless hysteria, or a genuine concern? If ...
3
votes
3answers
484 views

Wireless security attack techniques

Before I ask for some advice, please don't assume I'm a script kiddie or such. This is for one of my wireless security class (CSS 1015). It's a Saturday class and only 6 students are in the class ...
3
votes
2answers
2k views

how to monitor a Wifi (802.11) network?

How to capture a sequential stream of data between two machines, making no assumptions about network layer protocols? On wired network, one can do it by ARP spoofing and then sniff the network. One ...
3
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2answers
572 views

What to do when GSM/Wifi is jammed and ethernet cables are cut?

So.. There are household alarm systems (to defend against burglars) which send SMS/e-mail alerts if an intruder has been detected or an alert is trigged. However, Mobile networks can be jammed, and ...
3
votes
5answers
6k views

How to Investigate Wi-Fi Intrusion and where to look for evidence?

I'm trying to figure out how to configure a network so that I can tell what an intruder did (in the past) while on the network after they are detected. eg. If someone with a wi-fi enabled laptop ...
3
votes
2answers
1k views

OS Fingerprinting for Android

Are traditional OS-fingerprinting techniques effective in identifying Android smartphones (OS version) on a network. From my research I found most Android network mappers can be only run from Android ...
3
votes
2answers
387 views

Wi-fi security using WPA or WEP

In current years we have used WPA and WPA 2 for the encryption of data sent over an 802.11 network. But in the past WEP is used . From time to time, many people say that WEP (Wired Equivalent Privacy) ...
3
votes
4answers
206 views

How much of a risk to students is an open WiFi network on campus? EDIT: please read in full.

I've been battling bureaucracy at my community college for months on this issue; a few months ago, they changed security on the SSID for students; It used to use EAP, allowing students to enter their ...
3
votes
2answers
171 views

Is it possible to assign MAC-address-specific passphrases for a WiFi network?

Private network access security can be defined by a unique WPA2 passphrase to grant access to devices and MAC address filtering to control authorized devices. Nowadays mobile devices are legion, so if ...
3
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3answers
2k views

Alternative to AirPcap for Linux?

I need to sniff WiFi packets, but according to AirPcap FAQ page, it just supports Microsoft Windows, not other platforms. Does any alternative of this product work in Linux? Please don't offer Alfa ...
3
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2answers
2k 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
votes
2answers
1k views

Best way to secure Wi-Fi Direct connection

I have setup WiFi Direct connection between two Android devices by using Wi-Fi Protected Setup (WPS) "push button" for authentication.I also want to secure the connection itself by securing the data ...
3
votes
2answers
640 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 ...
3
votes
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
votes
1answer
6k 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 ...
3
votes
2answers
487 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 ...
3
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3answers
525 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
votes
3answers
1k 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, ...
3
votes
2answers
1k views

Wifi pineapple “Karma”

if a wifi pineapple does a karma attack and a client connects to it would you get the password((for the original wifi) or would the client just connect to you? (Side question is there anyway to stop ...
3
votes
2answers
882 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 ...