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A quick course on how to use computers safely and avoid malware and viruses, for people not highly computer literate such as staff of international NGOs in developing countries.
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Using ComputersUsing Computers
Computers are in Danger !
These can hurt our computers:
o Virus ( Trojan, Worm )
o Malware ( Adware, Spyware )
Computer Viruses
They hidehide inside files
They copy
They spread
You have to let them in
Where Do They Come From ?
Everywhere!
Flash Drives
Disks
Other computers
Cameras
ipods and mp3 players
Where Do They Come From ?
Websites
Skype,
Chat (MSN, Yahoo)
Phones
Everywhere!
How to Not Get a Virus
Humans get viruses
o HIV is a human virus
How do you not get HIV?
1. Always use condom
2. Always know your partner
How to Not Get a Virus
1. Always use a condom - antivirus Always update the antivirus
2. Know your partner Don’t bring in disks from outside Don’t open unknown email files Don’t accept files from strangers Don’t visit strange websites
YOU Let Viruses In !
YOU Let Viruses In !
When you let a virus into HU:
o You lose work time
o Other people waste time
o Computers are not available
Web
Most websites that you use for work are safe (Yahoo, Google, NGOs)
Porn and ‘entertainment’ sites are dangerous
Never download or say “yes” to anything if you don’t know
Web
Any prompt - click “Cancel” or “No”
Unless you really know what it isUnless you really know what it is
Email and Chat
If you get anything from a person you don’t know – look out!
Any file comes to you – don’t accept unless you are very sure it is safe
Emails with odd things – ‘you won’, ‘we have money for..’, ‘warning..’ – Delete
Fully delete – press Shift + Delete, gone and not in recycle bin
File Transfer Check: o The person
o The file type
o The name
One Push Can Cost: + $ $
Flash Drives
Never bring an outside Flash drive to work
Never take an HU flash drive outside
If you put any flash drive in a computer scan it with anti virus
Other Memory
Anything can carry viruses
Camera flash memory (SD Card, XD, Compact Flash,
Memory Stick)
iPod, mp3 player
Telephone with 3G
Run Virus Scan
Anti Virus
ALWAYS keep up to date
Run a check FIRST on any disk or flash drive before you access it
If you get a virus warning DELETE
Anti Virus Warning
Some programs have a button
“Ignore”
NEVERNEVER ‘IGNORE’ ‘IGNORE’
Anti Virus Warning
Anti Virus
A virus is usually a file.
It can be inside a file that you want to save, maybe a Word document (.doc).
If this is so you can clean or repair it.
If it can’t be cleaned and you want to get help, quarantine it. (“Move to Chest”, “Move to Virus Vault”
If you are not sure get help or DELETE
I Found a Virus
Where did it come from?
Go back to the person who had it
Clean all HU computers
Never share anything until you are sure you have cleaned it
Remember…Remember…
You are responsibleYou are responsible
Always get helpAlways get help
ThankyouThankyou
ហាកនហាកន
Produced by Tony HobbsHealth Unlimited,
Ratanakiri, Cambodia
www.healthunlimited.org
With the support of Australian Volunteers International
www.australianvolunteers.com
© 2009 HU. Use with Acknowledgement
