Author Topic: Protecting PC data  (Read 487 times)

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Offline CoNfesSiOn

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Protecting PC data
« on: December 10, 2008, 04:02:44 AM »
Protecting PC data

Unfortunately data losses seem to be hitting the headlines rather frequently these days.

One of the most high-profile examples was in late 2007, when HM Revenue & Customs lost the details of 25 million people.

The Ministry of Defence also admitted losing over 600 laptops and 100 USB memory sticks in the last four years - some contained secret information.
One similarity between these cases is that data encryption, a way of securing information, was absent.

By encrypting a file, data is scrambled so it can neither be read, nor make any sense to others.

Once a password is entered, the process is reversed and the information becomes available again.

If the lost official records had been encrypted, the chances of it being misused would have been dramatically reduced.

Back up first

The government is spending millions of pounds on data security, but it is possible to achieve a level of protection for a lot less money.

This requires making changes to the contents of a PC's hard disk, so all files on it should be backed up first.

Windows XP has a very little known feature which can be used to secure data.

Select a group of files and then send them to a compressed folder - open this folder and choose 'file' then 'add a password'.

One flaw is that the names of files are still visible - and this tool no longer works in Vista.

But PCs with the most expensive version of Vista will already have drive encryption software called Bitlocker.

The first way to run Bitlocker is by having a special encryption chip in your computer - you just need to remember your password and log in as normal.

The other way requires a USB drive to unlock your computer.

Drive encryption

A couple of changes need to be made to the Control Panel menu - here are the step-by-step instructions under Scenario 3.

Unlike security systems such as a firewall, encryption can not be turned on and off.

The drive needs to be configured first with the Drive preparation tool that can be downloaded from the Microsoft website.

Install it, re-start the computer and go to 'security' in the Control Panel to find the Bitlocker control.

It is a good idea to have a few USB drives to hand, as the passcode will be stored on these.

Plus it is recommended to have more than one USB stick in case it gets lost or the passcode files on it get deleted.

Without the USB drive, you will not be able to get into your computer.

This is because Bitlocker runs encryption not just on a few important sectors of the disc, or some places you chose, but over the entire drive.

The worry of losing the passcode makes some people think twice about using encryption.

Find out more about Bitlocker on Microsoft's website - just type 'drive encryption'.


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Offline soiamd

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Re: Protecting PC data
« Reply #1 on: December 10, 2008, 07:21:42 AM »
saab le padnai parne kura

Offline CoNfesSiOn

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Re: Protecting PC data
« Reply #2 on: December 12, 2008, 12:01:55 AM »
saab le padnai parne kura
ho ta hai dai !!!

data security thulo kura po ho ta ...

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Offline qual01

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Re: Protecting PC data
« Reply #3 on: April 19, 2012, 11:41:00 AM »
Preserve and protect: to take a variety of routes depending on what you want to protect. For digital photos, write them or burn them to CD / DVD and save them elsewhere. It is cheap and easy, but it takes time and effort on your part (and you have to do this regularly, as they gain new photos). This is not to keep your photos in the event of a fire, if you store the CD / DVD machine.

Offline earnestnwton

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Re: Protecting PC data
« Reply #4 on: July 12, 2012, 08:57:37 PM »
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 :clap: Thanks for the info. The "Back up your files", is one important thing for IT Security. Always remember don't make your password easy to guess.  :good:
« Last Edit: August 01, 2012, 02:16:13 PM by earnestnwton »

Offline austinbreath

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Re: Protecting PC data
« Reply #5 on: August 23, 2012, 05:56:33 AM »
The computer virus is a concern to each and every computer user. These tiny little program that can do a lot of damage! Their aim is from one system to the next system, disregard for safety. In fact, they actually damage their infected computers. So you have to protect your data with proper software.

 


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