A Secure Home System By: Metin Tuzmen. User facts Most people do not know how to use a computer. Most people have disbelieves about computers There are.

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Presentation transcript:

A Secure Home System By: Metin Tuzmen

User facts Most people do not know how to use a computer. Most people have disbelieves about computers There are a lot of fairy tales about software and hardware

Most people memorize the moves needed to accomplish tasks Example : Checking online s Most people refuse to understand computers when they face challenges.

Why do we need security? It is the year 2003 New technologies are emerging fast New generations are coming up New services are available

Two types of users Old generation New generation

How old generation uses PC’s? Office Suite (etc…) Basic Internet –Newspapers –Specific sites

How new generations uses PC’s Typing Coding Games Advanced internet –Many sites –Harmful sites

What are the danger to PC’s Ourselves******* Others External natural disasters

Some facts The cost of a PC for an old user is about $100. The cost of a PC for a new generation user is about $1000 User facts apply to both users

What to do? Identify critical data Identify threats Identify response Identify solution plan Identify backup plan Always think worse case scenerio

How to be prepared 2 computers –1 Main computer $1000 –1Backup computer $100 –CD-RW drive $100 –Norton Ghost $50 –Norton AV $50

Made a ghost image of the main computer after loading OS Made a ghost image of the backup computer after loading the OS Setup Norton AV in Main PC Setup Norton AV in Backup PC Main PC is connected to cable modem 24/7 Backup PC is connected to the internet using wireless internet.

Main PC is used for games, surfing, downloading, coding, online Backup PC is used for local (*), office suit(etc…), online banking,betting, etc… Normal times Backup PC is not connected to internet Any important files created is always backed up on both main pc and backup pc. Both machines are isolated from electrical surges

Critical Data Covered by backups on floppys Bigger data covered by CD’s Threats Hackers : No data to be found on Main Pc Trojans : No useful information on Main Pc Virus : Norton AV. If not recognized will effect files except backups. Floppies are pretty cheap so daily backup prevent serious infections.

Response Backup backup backup Latest VD On suspecious behavior, disconnect and check for activity.

Solution Do a backup from a date known to be safe Remove virus from files Remove infectious files Apply fixes

Worse case scenerio Backup PC is always safe Reload ghost image(s)

Hints and Tips DO NOT TRUST ANYONE OR YOUR EYES BACKUP BACKUP BACKUP

SOURCES ftp://cerebrum.MetinT.homePCSecurity.com THANK YOU