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Showing posts with label Security. Show all posts
Showing posts with label Security. Show all posts

Monday, January 21, 2013

Cracking WiFi passwords with your Android phone


The WiFi adapter in your laptop has a special mode – monitor mode – that can be used to listen in on WiFi traffic and, with a little patience, can be used to crack a WEP password. Surprisingly, this monitor mode can’t be found on any Android device due in part to the limitations of the hardware. A group of three researchers, [Ruby], [Yuval], and [Omri], decided to spend their vacation adding monitor mode to their Android smartphones, allowing for a much more portable version of WiFi pwnage tools.

Cracking WiFi passwords with your Android phone

The phones used by the researchers – the Nexus One and Galaxy S II – used Broadcom chipsets that didn’t support monitor mode. To get around this limitation and allow the OS to see full 802.11 frames the team needed to reverse engineer the firmware of this Broadcom radio chip.

The team has released a firmware update for the bcm4329 and bcm4330 chipsets found in the Nexus One and Galaxy S II. The update may work for other phones with the same chipset, but don’t take our word on that.

There’s still a lot of work [Ruby], [Yuval], and [Omri] need to do. They’d like to add packet injection to their firmware hack, and of course create an APK to get this into the wild more easily.

If you have experience with kernel development and would like to help out, send the team an email. The source can be found at google code  if you’d like to play around with it.

PRASHANT KUMAR

Tuesday, September 18, 2012

How To Use Mobile Phone As Webcam


This tutorial will show you How to use your mobile as a Webcam.

Many of us don’t have Webcams and might want to use your mobile as a Webcam to save on some cash and also to put your mobile camera to better use.
You will need to install your Bluetooth stack / drivers – Microsoft, Bluesoliel, Widcomm etc if you plan to use Bluetooth to connect your phone and PC. You will also need to install Nokia PC Suite in case you are using a Nokia phone.
There are two applications to use your mobile as a Webcam:

1. Mobiola Webcam

How To Use Mobile Phone As WebcamDownload Mobiola Webcam

Mobiola Webcam is the most popular Webcam software for mobiles, it is compatible with many phones – Symbian S60, S60 V3, UIQ, Windows Mobile, Blackberry etc. In case it isn’t compatible with your phone, but your phone supports J2ME, you can use the Mobiola Webcam Lite version. It runs on almost all J2ME phones. In case, you have some prehistoric phone with no J2ME support, then it’s time to dump it and get a new phone.
Just download Mobiola Webcam / Webcam Lite from the above links after selecting your platform. Install the Mobiola Web cam setup on your PC and transfer the mobile sis / jar file to your mobile and install it. Be sure to give it all the access permissions it requires during installation.
Just start the Mobiola application on your mobile and PC. From your mobile, select Options > Connect and select the connection method – Bluetooth, USB or Wi-Fi. We would recommend connecting via data cable as it is faster. After you are connected, you can use the mobile camera as your Webcam. Just start your favourite application and in the Video / Webcam options, select the Mobiola Webcam / Your Phone. You can adjust the video quality, contrast and brightness from Options > Settings.

2. WWIGO (Webcam Wherever I Go)

How To Use Mobile Phone As WebcamDownload WWIGO
WWIGO is also a nice little application that allows you to use your mobile camera as a Webcam. It supports connections via Bluetooth only though. Just download the application from the above link and install it. After installation, navigate to your Program Files directory and get the WWIGO mobile application from there. Transfer it to your mobile and install it.
Now start both the PC and mobile WWIGO applications. Now select an GPRS access point in your mobile, and select Options > Connect. Select your PC as the Bluetooth device and let the PC and mobile WWIGO applications connect.
After the connection is done, you can use your mobile camera to record videos as a Webcam. To use it as a Webcam, open the Webcam / video settings of your application and select WWIGO as the Webcam. You can adjust the video resolution and zoom levels from Options > Settings
That’s it, You are done. Happy Chatting.
Note: Yea, I know there are loads of similar tutorials everywhere. But as I was running out of ideas to write on, I thought this would be fine.

PRASHANT KUMAR

Monday, September 17, 2012

Make Social Technology Count in Your Workplace


Make Social Technology Count in Your Workplace
A friend, who was involved in developing early word processing systems (imagine a world without Microsoft Office or Open Office), was recently talking about the productivity-improvement claims made by proponents of word processing. I’m like WHAT decade are we in? Smiles. I’m GASPing for air. By moving offices and workers away from typewriters, Dictaphone machines and stenography, businesses were supposed to see huge productivity gains. Individuals would be empowered and secretaries (try finding a few of those today) would have time to work on projects of higher value to companies. There would be no reliance on White-out, steno pads or other mostly-dead products and everyone would be freed from the drudgery of office work. The payoff for companies? The holy trinity of time-savings, cost-reduction and ROI!


What really happened? We all – more or less willingly – took on responsibility for our own busy work, and a whole work classification was eliminated. There are no “secretaries” any more – Phew. There are a few executive assistants, reserved mostly for the V and C-suite. This is something my baby boomer friend regrets; early in his career he had a secretary, Jean, who could type 105 words a minute with no errors and take dictation at 90 words a minute. She kept his schedule, remembered everything, and shielded him from useless meetings and other distractions. Now he’s on his own, working without a net, like most of us, in a world where notions of value have changed. What gives?

We’re seeing a similar shift now in the world of work with social technologies and social media tools. From Yammer to wikis, talent management software and enterprise instant-messaging platforms like Salesforce Chat and Microsoft Lync, businesses are structuring a workplace where most interchanges are not person-to-person but are instead mediated by technology. This shift has been valued at upwards of $1.3 trillion by no less an authority than McKinsey , which studied the use and impact of social tech in four sectors: professional services, retail financial services, packaged goods and advanced manufacturing.



Not surprisingly, McKinsey sees a large percentage of the value of social tech coming from two sources: improved communications and collaboration. These benefits will be realized internally, as employees collaborate, and externally, as consumers interact with brands.

But value isn’t something you get by buying technology, closing your eyes and making a wish. Value is real only if it can be measured. Further, it’s arguably possible to extract value from technology only when your work culture understands and accepts the reasoning for adopting the technology, which requires employees to trust the company and its managers. Without trust, in other words, value cannot be calculated.

So leaders and employees unite and celebrate! Here are five things to put in place if you hope to extract value from social technology in your workplace:

1) Define what value means to your organization. For example, is there more value in social tech-mediated collaboration than there is in face-to-face meetings? In which circumstances or use cases is the statement true or false? At which employee grade is it true or false? Is your notion of value organizational (e.g., human factors), financial (e.g., measureable ROI) or process (e.g., time savings)? Create different timelines for each vector to see where you’ll experience a value bump first.

2) Create a value measurement methodology. If you’re measuring collaboration, for example, tie hard costs to it: less travel, less time to complete a task, more people on board with an idea or initiative.

3) Determine which tools, processes and policies support your definition of value, and which must be changed. Email may not support your definition of value in the above model, nor may in-person meetings. Processes designed to support building teams will need to be revised so teams can be constructed virtually among people who’ve never met F2F. Policies requiring performance reviews to be conducted by team members may need to be adjusted, and so on. This may requires a close look at many policies, which is time-consuming; factor that into your value equations.

4) Create a link between your notion of value and the value of employee trust. This will be tough, but one place to start is to create a value statement describing the organizational value of employee trust. Then look for the deltas in your model of the value of social tech. You may want to bring in an HR or organizational consultant to help structure the examination if you need help from the outside.

5) Socialize your expectations of the value to be realized from social technology. Poll employees to see if they buy in. If they don’t, you’ll gain not only understanding of why there may be resistance to using social tech tools, as well as a roadmap of policies and procedures which may require change for the organization to realize value from social tech.

We’re just beginning to see the disruptive effects of social technology and social media at large. Very exciting times in the world of work. Will it destroy whole job categories? It remains to be seen. Will it deliver value? I vote yes.

What about you? Is your leadership or employee style one the embraces parts or all of this?

Sunday, September 9, 2012

How To Turn A USB Flash Drive Into Extra Virtual RAM



It's not hard to turn an extra USB stick lying around that's collecting dust into extra memory for your computer, allowing it to run speedier and manage more applications better.

DIY site Instructables has a guide on how to put a flash drive to good use by using it to increase the virtual RAM on your Windows computer. For the best results, Instructables user MoritzB suggests using a USB drive smaller than 4 GB for this little trick. We've paraphrased some of the instructions for you below:
How To Turn A USB Flash Drive Into Extra Virtual RAM

Rename your thumb drive as "RAM DRIVE" or something similar, so you can see which drive is being used as RAM.
Delete all the stuff on the flash drive. Check for hidden files.
Right click on My Computer, and go to Properties. Once there, click on Advanced and go to the system output's Settings.
Click on Advanced, and then Edit.
Click on your thumb drive above, and select "user-defined size." Here you can see the size of your flash drive.
Calculate the size of the flash drive, and subtract 5 Mb.
Type this number in the first box. In the second box, type in the same number.
Click Set and confirm all your settings, applying them wherever you can.
Restart your computer.
Windows 7 users should go into their System Properties, under the Performance tab for these options. After you're done, your computer will recognize your flash drive as extra virtual memory. Do not pull out your thumb drive after these settings are implemented. It could crash your computer. Instructables has the whole tutorial, with step-by-step screenshots below.

Use your USB flash drive as virtual RAM [Instructables]

PRASHANT KUMAR

Wednesday, August 1, 2012

Things An Android DO Better Than Iphone


We all know the iPhone, know how it works (or doesn’t work, in many instances). We know there is an app for just about every possible task on the planet. But an Android phone? You don’t really know an Android phone until you’ve worked with one. That’s when you’ll find how far you can push your mobile experience.



1: Browsing


Let me first say I do like the Safari browser on the iPhone. It’s fast, it’s reliable, it’s stable. But flexible? Flash? Monopolistic? Yes Safari is the only browser for the iPhone, and that browser still does not do Flash. However, the Android browser is one of the best browsers on the mobile market. On my HTC Hero, I have Opera Mini, Dolphin, and the default Browser. I haven’t used Opera Mini since I used it a couple of times upon installation. Dolphin is outstanding, with its use of Tabs and Gestures. But the default Android browser just can’t be beat. It usually loads pages faster than Safari, has Flash support, and simply does everything a browser should do.

2: Desktop


Instead of just having icons littering your phone’s desktop (like the iPhone), the Android phone adds widgets to the desktop. These widgets tend to have an actual purpose. For example:

The Twitter Widget allows you to update your Twitter status from your mobile desktop.
The People Widget allows you to enable different actions for different contacts right from your desktop (say you want to call your wife with a single click and text your child from a single click).
The Messages Widget allows you to instantly see your email from the desktop.
The Android desktop is on a completely different level from the iPhone desktop. To compare them is actually unfair. Apples to Éclairs as it were.

3: Connectivity


On one of the “pages” of my Hero desktop, I have four buttons:

Turn on/off bluetooth
Turn on/off Wifi
Turn on/off Mobile Network
Turn on/off GPS
These buttons let you instantly switch on or off the various connectivity options, which will go a long way toward conserving battery life. There is also an app in the Market called Y5, which will turn off Wi-Fi automatically when no known wireless network is available. To do any of this on the iPhone, you have to go into the Settings screen and navigate your way around the various options.

4: PC connection


Unlike the iPhone, you don’t need to have iTunes to manage your phone. Now, I say this with a bit of a chewed-up tongue because Android can’t sync with the Linux desktop yet. That’s okay for now. But Android can mount the SD card so that it is usable (via drag and drop) by any operating system. On this you can add music and files, which will then be usable on the phone. Simple.

5: Multi-notification


One of the issues I’ve always had with the iPhone is its notification system. Basically, it depends upon a single system that not all applications have access too. For instance, if you are a Twitterer, you can find out if you have updates only by opening the Twitter app on the iPhone. With Android, the apps have access to the notification system and can all report. The notification bar on the Android phone can alert you to new voice messages, email messages, Facebook notifications, new Gmail, new text messages, and much more. If an app has a notification, it can let you know quickly, and in the background.

6: Endless personalization


I hesitate to place this on the list because so many readers seem to think user-configuration is worthless. It’s not. The Android phone allows users to configure their mobile to look and behave exactly how they want it. If you’re a social network power user, you can have a screen for Facebook, one for Twitter, one for texting, and one for Flickr. Or if you are a business user, you can have a screen for contacts, for your calendar, for gmail, for email, for RSS, and more. Not only can you configure the desktop the way you want, you can configure the behavior of your phone. Set up default actions for different contacts — even add an entirely different desktop, should you want. The possibilities are endless with the Android phone. With the iPhone, you’re pretty much limited to what Apple says.

7: Market


Yes, Apple has an app for that. But so does Android. And chances are, the Android app is free and works as well (or better) than the iPhone app. And, believe it or not, there are thousands of apps in the Android Market. Apple does not (at least yet) have a patent on an application for just about everything. Give it time though. And installing applications on your Android phone is actually easier than it is on the iPhone. For free applications, you don’t have to worry about entering a password every time you try to install anything. And you do not have to link to Apple’s iTunes store to purchase applications from the Android Market. For those apps that have a price, you enter your information on the Google Market one time and you’re done.

8: Google integration


This one is almost not fair, since Android was built with the intention of integrating with Google. But wow does it integrate well. Want to search Google? Simply click the search button, enter your search string, and you’re off and running. Did I mention Google Voice? Yes, the Android has an app for that.

9: Open Source


Why does being open make Android better than iPhone? For the same reason that being open helps Linux: a planet full of developers with the ability to aid Android’s developers. Anyone can get access to the source of Android to better the system. This is also a double-edged sword, in that it allows those will less-than-ideal intentions to discover any weakness of the phone. But that can be seen as an indirect plus because when weaknesses are found in the open source community, they are quickly fixed. I assume that this tradition will extend to the Android phone. iPhone open? You’re kidding right?

10: Open to carriers


This is yet another reason why Android is superior. If you want an iPhone (at least for the time being), you better be open to AT&T. If you don’t like AT&T and you still want an iPhone, you better be open to doing a little jail breaking or move to another country. If you want an Android phone, you can join any number of carriers and have your choice of any number of outstanding phones using Android. No lock down.


PRASHANT KUMAR

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