Wireless security topics including 802.11, Bluetooth, and others.

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Can AES encryption prevent modifying bits in a wireless protocol?

I'm building an application with NFC which is a wireless communication protocol. An attacker can modify bits in a wireless communication protocol. I want to prevent this. I know we can't prevent an ...
4
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3answers
434 views

How does EAP/PEAP integrate with modern security protocols?

How exactly does Extensible Authentication Protocol (EAP)/Protected EAP integrate into modern security protocols? What I know (or not know) so far... It's used by wireless networks utilizing ...
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1answer
203 views

Open wireless network and OpenWRT isolation function - any risk?

What security risks would be caused by using a wireless router with no encryption for the wifi and by configuring it with: vi /etc/config/wireless option isolate 1 "HW" isolation. Running OpenWRT. ...
2
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1answer
731 views

Free hotspot: Open wifi vs. WPA2 wifi with known password

If we would want to give internet for free via WIFI, then what would be the better option and why from a security standpoint if we could only choose between: A non-encrypted wireless network setup ...
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1answer
164 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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3answers
341 views

Installed some software over a public insecure wireless network — should I consider myself compromised?

A couple months earlier, I made the mistake of downloading some software over an insecure wireless network and running it without checking its integrity. I am now considering reinstalling my system, ...
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2answers
955 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 ...
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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 ...
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3answers
128 views

What's the most secure way to send information from one device to another?

I need to send sensitive information from one piece of hardware to another. I was thinking wifi, but if someone obtains the password, it wouldn't be encrypted. I don't think you can use ssl unless ...
4
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3answers
168 views

Does an insecure computer on my home wireless network threaten other machines?

I have a DD-WRT based wireless network with strong password security. However, other machines on the network may not be as protected as mine. If these machines are compromised, need I fear the ...
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1answer
179 views

What is a secure mechanism for wireless communication between Android and Ubuntu?

I have come across a few Android apps that provide various features for communicating with a desktop machine (sending text or typing in one direction or another, controlling the desktop pointer with ...
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6answers
6k views

Phones broadcast the SSIDs of all networks they have ever connected to. How can these be obtained by an attacker?

I just watched an interesting talk from Glen Glenn Wilkinson titled: The Machines that Betrayed their Masters. He said that your phone is constantly broadcasting all the SSIDs it has ever connected ...
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1answer
1k 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
533 views

How can I trace MAC address of not asosciated devices in my WiFi network?

I'm looking for hints to solve my problem. I would like to trace all devices that are in my surroundings. I know how do it when someone already access to my WiFi network, but I'm also interested to ...
3
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1answer
452 views

De-auth attack Reason codes and possible reaction

I am learning about Deauth attacks and how they work. I see that the Deauth frame has a reason code which indicates the reason for the deauth. I have tested the attack with aircrack-ng and this reason ...
3
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1answer
303 views

Can I perform WEP cracking from several laptops against 1 AP

I have successfully being able to perform WEP key cracking attack using aircrack tool. I want to allow my students to test this in a lab environment. They will be working fro their own laptops against ...
9
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1answer
1k views

Are networks using EAP-TLS affected by Heartbleed?

Does the Heartbleed bug affect WiFi networks secured by WPA2-EAP in TLS mode? Since it's using TLS to secure connections between the server and clients, is it possible to attack the server using the ...
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1answer
249 views

Why are cryptographic algorithms implemented in the data-link layer in wireless networks?

Could someone please tell me why cryptographic algorithms are placed in the data-link layer for wireless networks?
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1answer
329 views

If there is no handshake, then it is worthless to check for passwords?

# aircrack-ng output-01.cap Opening output-01.cap Read 31484 packets. # BSSID ESSID Encryption 1 00:11:22:33:44:55 SSIDHERE WPA (0 ...
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1answer
324 views

Does WPA2 Enterprise also authenticate clients to the 802.1X protected switch port?

In an 802.1X protected LAN, the switch port is usually set to "Multiple Hosts" mode and the access point is configured as an 802.1X supplicant which authenticates to the switch and "opens" the port. ...
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3answers
2k views

Why does Evil twin works?

https://en.wikipedia.org/wiki/Evil_twin_%28wireless_networks%29 My question: it's OK that someone can make an AP with the same MAC and SSID as the original AP. And with stronger signal. But what I ...
2
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1answer
11k views

Router detecting port scan and ack flood attack

Over the past few days, I'm noticing that the log of my wireless router is showing an ACK flood attack from various IP addresses. I use a D-Link DIR-600L. I've searched through the internet, also ...
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2answers
122 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 ...
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2answers
70 views

Criteria for an ADSL wireless modem

I'm going to buy a new ADSL wireless modem, and what really matters to me is security. So, what are the criteria I should consider, and which security features should I look for? How should I compare ...
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1answer
563 views

Why is monitor mode necessary on the NIC used to attack WPS with reaver and other tools?

I am trying to get a deeper understanding about the inner working of WiFi Protected Setup and its active attack using reaver, bully and other utilities. What I am really unable to realize is why it ...
2
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1answer
333 views

802.11 Authentication/Association and WPA/WPA2 authentication (Four-way handshake)

So I have read that 802.11 standard requires stations and APs to go through the authentication and association before communication can take place. I also know that WPA/WPA2 has its own authentication ...
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3answers
990 views

Does Windows 7 have built in wifi deauthentication attack protection?

I'm testing a wifi de-authentication attack and it looks like my Windows 7 client is not getting kicked off the network during the deauthentication. Any explanations as to why that might be? I've got ...
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0answers
3k views

Whole system ACK flood attack making internet slow

Over the past few days, I'm noticing that the log of my wireless router is showing an ACK flood attack from various IP addresses. I use a D-Link DIR-600L. I've searched through the internet, also ...
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3answers
3k views

Do i need to have Airpcap?

Hi I am learning system security in an online course, in a practical experiment I tried to monitor the traffic through my router using wireshark1.10.3 but i have a feeling that it only sensing traffic ...
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1answer
454 views

Locate rogue wireless access point using Kismet data

Is there any way how to use Kismet data to locate rogue wireless access points?
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2answers
481 views

Wireless Positioning System (WPS) works without Internet?

As I understood it (correct me if mistaken); Wifi Positioning System has a network of routers of some sort, and when I plug in my new device, by using existing devices whose locations are known, they ...
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1answer
212 views

Wireless Security Pen testing Setup

I had a Asus N82J laptop with a dual boot setup. I boot into Kali and Windows 7. Long story short because of my dual boot with Grub I corrupted my HDD the operating system kept moving blocks of ...
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1answer
998 views

Security of Moblie Hotspot (4G LTE, WiFi) vs. Apartment Complex Cable Internet

The overwhelming majority of my banking is done online. As such, I try to be as cautious as possible. I am moving into a new apartment in a few months which offers internet. (I am not sure whether it ...
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2answers
150 views

Are there any known attacks for a laptop with the wifi connection turned off?

I recently got a new laptop. As I usually do, I removed the wifi module from it, since I intend to use it in public places such as my college and I don't need any sort of connectivity outside my home. ...
2
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3answers
161 views

Protecting wireless network

My wireless network protected under WPA-PSK/WPA2-PSK protocol. Is there a good reason to change the default user/password for the router management interface? What would it take for an hacker to ...
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1answer
140 views

How to configure Kismet to redetect same BSSIDs in a loop?

So I am working on a tool to detect any wifi device using Kismet. When I use Kismet, it works fine, but my problem is, it detects a device once, and until the MAC changes, it wont detect it again. ...
2
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0answers
89 views

Scapy capturing Dot11 headers windows

Is it at all possible to capture Dot11 headers under Scapy in Windows? I'm thinking Winpcap, but I'm not sure how I'm supposed to do that. Any clues?
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3answers
8k views

Getting access to MAC address of access point from a device wired to the network

My home network consists of a router (with wired and wireless connections), and a separate access point used to repeat the router wireless signal. A device is further wired to the access point; it ...
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1answer
344 views

What are the security implications of pairwise master key caching in Wireless Networks?

I'm currently investigating WPA2 enterprise security options, and I'm curious about PMK Caching. I've found lots of vendor information about it, and understand that the client does not need to ...
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5answers
429 views

“Safe” public WiFi [duplicate]

Is there any danger of any of my computer's files being read or changed (mainly - infected by malware) in the following scenario (I'm using Windows 7): I have file sharing turned off (in "advanced ...
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0answers
150 views

Verizon wireless router is pinging my web server - is this ok or bad? [closed]

So I'm working from a local cafe, doing some web development, and need to see something in my Apache's access log. And to my surprise, in the log I see, every 30 seconds or so, a request for my root ...
4
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2answers
3k views

How do I securely separate a wireless subnet from the wired network?

My setup looks like this: In the interest of security, I'd like to separate the wired network (where the Workstation is plugged in) from the wireless subnet. I don't trust some of the devices in ...
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4answers
4k views

How to stay anonymous in public wireless network?

If we are accessing a public wifi network, does changing mac address at certain intervals of time keep us anonymous forever? Is there anything other than mac address to identify a user in an AP?
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1answer
155 views

Are there any Layer 2 Wifi RFC proposals that isolate each connection from each other? (like a switch)

It's my understanding that everyone on the same Wifi protocol has full access to each other host that it is connected to. Is there any Wifi technology that allows for partitioning and isolation of ...
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1answer
109 views

Is MS-CHAPv2 incompatible with securely stored passwords?

I have a directory service that can speak a number of protocols and is used for user authentication. Currently user credentials are stored using Bcrypt to protect them in case of a compromised ...
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1answer
2k views

WPA 4 way handshake and authentication

I'm studying how WPA-TKIP works. As I understand, there are two parts to authentication. Using EAP messages the client authenticates itself to the access point or authorization/RADIUS server. I ...
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2answers
929 views

Is it possible to detect when a device has been MAC filtered on a Wi-Fi network?

Is it possible to detect when a device has been MAC filtered on a Wi-Fi network? I don't know if it's in the 802.11 standard, or if it's just implemented by ignoring the client network packets.
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2answers
286 views

Can WiMAX track its users' geo position?

We all know that if you carry a GSM terminal with you, its location is being tracked and stored in operators' databases without any need of cooperation from the terminal itself. Is tracking user's ...
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2answers
109 views

Antivirus / Wireless PCI v2 Controls Scope

Do the Antivirus / Wireless controls within PCI v2 apply for the entire organisation, or just for the PCI scope?
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1answer
254 views

Kismet Output Shows 3 Possible Encryption Options, Which one?

Ran into an interesting situation with Kismet and Airmon-ng while observing a client wireless network. Basically, I'm observing the network using airmon-ng, and I have my BSSID and frequency set to ...