Protect and Backup Computer

collarlimabeansSécurité

23 févr. 2014 (il y a 3 années et 3 mois)

152 vue(s)

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Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Technology in Action

Technology in Focus:

Protecting Your Computer and

Backing Up Your Data

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Physically Protecting

Your Computer


Environmental factors


Sudden movements/falls


Excessive heat or cold


Dust and other particles


Power surges


Surge protectors


Power outages


Uninterruptible power
supply (UPS)

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

4

Deterring Theft


Motion alarms


Locks


Surrounds (cages)


“Phone home” software

Surround

Motion alarm

Lock

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Keeping Mobile Devices Safe


Bomb software


Thief steals handheld device.


Thief launches a brute force attack
on device to get access.


Handheld device senses attack
and erases data.


Bluetooth vulnerability


Bluesnarfing


Exploits an access flaw in Bluetooth
software that makes data vulnerable


Bluebugging


Hacker takes actual control of the
Bluetooth device

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Protecting Your Computer from
Unauthorized Access


Access privileges


Password protection


Passwords should


Contain at least 14 characters


Not be a word found in a dictionary


Use a combination of several words with strategically
placed uppercase characters


Not be easily associated with you


Use a different password for each system or Web
site you need to access


Never

tell

anyone

your

password

or

write

it

down


Change

your

password

if

you

think

someone

may

know

it

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

7

Good and Bad Passwords

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Managing Passwords


Firefox
browser has
a password
feature

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Keep Prying Eyes from

Your Web Surfing Habits


Portable privacy devices


StealthSurfer


Protects surfing sessions


Plugs into USB port


Preloaded with software that shields
your IP address from prying eyes


Have password management tools

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Keeping IM Sessions Safe


Allow
connections
only from
the buddy
list


Disable file
sharing, file
transfer,
and direct
IM

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Keeping Windows Up to Date


Microsoft
frequently
issues
updates to
patch security
holes.


In Vista,
updates

can be
loaded
automatically.

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

12

Biometric Authentication
Devices


Read unique personal characteristics


Fingerprint


Iris patterns


Voice patterns


Face patterns

Mouse fingerprint reader

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Firewalls


Prevent unauthorized access when
connected to the Internet


Popular comprehensive security programs
include firewalls


Norton Internet Security


McAfee Internet Security
Suite


Outpost Firewall PRO

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Protection from Phishing


Phishing attacks lure you to Web sites
that look legitimate.


Most Internet browsers have a built
-
in
phishing filter.


Many Internet security packages, such
as McAfee and Norton, offer phishing
protection tools.


Don’t use your credit card number.


Virtual Account Numbers

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Backing Up Your Data


Backup


A copy of a file that can be used to
replace the original


Types of files to back up


Program


Data


Backup routine


Frequency


Changed files

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Backing Up Your Data


Software programs for easy backup


Schedule automatic backups


Can back up files, folders, or entire drives


Back up to USB device, CD, or DVD


Entire system backup software


Takes an image of the entire system


Stores on a separate hard drive


In case of failure, a new drive is inserted

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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Backing Up Your Data


Online backups


Store backup files
on Internet servers


Fees for the
service

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

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All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system, or transmitted, in any form or by any means, electronic,
mechanical, photocopying, recording, or otherwise, without the prior written
permission of the publisher. Printed in the United States of America.

Copyright © 2010 Pearson Education, Inc.


Publishing as Prentice Hall

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Technology in Focus 4