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Showing posts with label wi-fi. Show all posts
Showing posts with label wi-fi. Show all posts

5.12.11

Wi-Fi Security: Cracking WPA With CPUs, GPUs, And The Cloud

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Is your network safe? Almost all of us prefer the convenience of Wi-Fi over the hassle of a wired connection. But what does that mean for security? Our tests tell the whole story. We go from password cracking on the desktop to hacking in the cloud.
We hear about security breaches with such increasing frequency that it's easy to assume the security world is losing its battle to protect our privacy. The idea that our information is safe is what enables so many online products and services; without it, life online would be so very different than it is today. And yet, there are plenty of examples where someone (or a group of someones) circumvents the security that even large companies put in place, compromising our identities and shaking our confidence to the core.
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Understandably, then, we're interested in security, and how our behaviors and hardware can help improve it. It's not just the headache of replacing a credit card or choosing a new password when a breach happens that irks us. Rather, it's that feeling of violation when you log into your banking account and discover that someone spent funds out of it all day.
In Harden Up: Can We Break Your Password With Our GPUs?, we took a look at archive security and identified the potential weaknesses of encrypted data on your hard drive. Although the data was useful (and indeed served to scare plenty of people who were previously using insufficient protection on files they really thought were secure), that story was admittedly limited in scope. Most of us don't encrypt the data that we hold dear.
At the same time, most of us are vulnerable in other ways. For example, we don't run on LAN-only networks. We're generally connected to the Internet, and for many enthusiasts, that connectivity is extended wirelessly through our homes and businesses. They say a chain is only as strong as its weakest link. In many cases, that weak link is the password protecting your wireless network.
There is plenty of information online about wireless security. Sorting through it all can be overwhelming. The purpose of this piece is to provide clarification, and then apply our lab's collection of hardware to the task of testing wireless security's strength. We start by breaking WEP and end with distributed WPA cracking in the cloud. By the end, you'll have a much better idea of how secure your Wi-Fi network really is.

1.12.11

Block Wireless Access Point from Getting Included in Google Location Server

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Location based services have become popular these days form each and every social network to mobile applications giving you ability to track your location and share it. Some of the popular uses of these are Check outs and Place Taggings.

How Does Location Based Services Work?

Location based services retrieve the location of a user from a pre compiled database known as location database, which matches publicly broadcast information about local wireless networks with their approximate geographic location. By looking for wireless access points that are close to a user’s phone, location providers can return the approximate location you need.
This method is a good alternative to other approaches, like GPS, because it’s faster, it works indoors, and it’s more battery efficient. But as everything has got a boon and bane Location Based Services claim to identify only places but not the individuals identity but considering the present situation of internet security I am happy that atleast Google understands that Privacy Protection is necessary hence they have given an option for Wireless Network users to opt out of having your wireless access point included in the Google Location Server.

How to Opt out your Wireless Access Point from Getting Included in the Google Location Server.

Step 1. Open your Access Point settings.
Step 2. Open the SSID Settings.
Step 3. Rename your SSID (Network name) to add the following after your SSID “_nomap” (without Quotes) eg. If your SSID is “mywifi” then rename it to “mywifi_nomap”.
Step 4. Save the changes and Done.
Currently this method is only supported by Google Location Server and other Location Databases will still be able to include your access point but Google hopes to make this string (_nomap) a universal one so that anyone can opt out of location servers from tracking them.
Where do you mostly use location tagging? In Social Networks and ?



26.11.11

How To Block A Computer From Accessing To A Specific Wireless Network

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Even though you have put pretty strong security on the wireless network, in some cases it helps if you still wants to completely lock down certain computers from accessing it. Unfortunately, there is no easy tool built-in Windows that can easily do that for you. You will have to go through the cool command line to make it happen. And this time, we will use netsh command line from the Command Prompt window. Let’s say we want to block a computer from accessing a wireless network SSID "home". Here is what we can do:
First, open Dos Prompt window as Administrator on the machine you want to block the access.

24.11.11

7 Wi-Fi Tweaks to Boost Your Speed

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Chances are if you have a wireless internet connection at your home, you have had some trouble with the speed of the connection at least once before. That being said, a slow wireless connection can be frustrating to deal with. You are probably paying good money to your internet service provider, so slow speed is something you should not have to deal with, right? Well, the truth is wireless speed can be affected by a number of things. Luckily there are some Wi-Fi tweaks you can try that should help boost your speed and get you rolling in no time.


22.11.11

Hacking Wi-Fi with a Wi-Fi enabled Handset

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Well u will think what title suggest how to hack a Wi-Fi With a handset.And if u are thinking that Apple iPhone is included in this crime than the anser is NO it can be any phone with a wi-fi in it and there is no app for it we will just use simple Browser if you are on iPhone than you will use Safari and if you are on any other one than u can use its default browser.

HOW TO CREATE WI-FI HOTSPOT ON XP AND VISTA

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1. Go to Control Panel and click on Network Connections.

2.
Right click on the wireless connection and select properties.
3. Under the wireless networks tab check the box ‘Use Windows to configure my wireless network settings’.
4. Under Preferred networks click ‘Add’.

Boost Your Wi-Fi Signal Using a Beer Can

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Boost Your Wi-Fi Signal Using a Beer CanSo internet is used by everyone and if you are @ home you will always want that your whole house is covered by Wi-Fi so that anytime, anywhere you can access it so internet speed is must @ long distance well now you can get some nice Wi-Fi Boosting using a simple and efficient Beer Can well I grabbed this amazing trick from Discovery Channel’s Website and I am posting it on my website.

8.11.11

Wifi Hacking - Part 1

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As i promised i will be writing  some articles on WiFi (Wireless Network) hacking in the next few days , In this very first article i will list out a few  tools and  things that you require for WiFi Hacking

 

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