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K-12 Cyber Awareness Team
Walsh College IAC
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10 things you can
do to protect your computer and your information
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01. Use anti-virus software.
Make sure
you have anti-virus software installed on your computer! Anti-virus
software is designed to protect you and your computer against known viruses
so you don't have to worry about them. With new viruses emerging daily,
anti-virus programs need regular updates, like annual immunizations, to
recognize these new viruses. Make sure to update your anti-virus software
regularly! The more often you keep it updated, the better off you will be.
Check with the web site of your anti-virus software manufacturer to see
descriptions of viruses and to get regular updates for your software. Help
stop viruses in their tracks!
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02. Don't open email from unknown sources.
A simple
rule of thumb is that if you don't know the person who is sending you an
email, be very careful about opening the email and any file attached to it.
Should you receive a suspicious email, the best thing to do is to delete
the entire message, including any attachment. Even if you do know the
person sending you the email, you should exercise caution if the message is
strange and unexpected, particularly if it contains unusual hyperlinks.
Your friend may have accidentally sent you a virus. Such was the case with
the "I Love You" virus that spread to millions of people in 2001.
When in doubt, delete!
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03.
Use hard-to-guess passwords.
Passwords will only keep outsiders out if they are difficult to guess!
Don't share your password, and don't use the same password in more than one
place. If someone should happen to guess one of your passwords, you don't
want them to be able to use it in other places. The golden rules of
passwords are: (1) A password should have a minimum of 8 characters, be as
meaningless as possible, and use uppercase letters, lowercase letters and
numbers, e.g., xk28LP97. (2) Change passwords regularly, at least every 90
days. (3) Do not give out your password to anyone! EVER!
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04.
Use "firewall's" to protect your computer from Internet
intruders.
Firewalls create a protective layer between your computer and the outside
world. They come in two forms, software firewalls that run on your personal
computer and hardware firewalls that protect a number of computers at the
same time. They work by filtering out unauthorized or potentially dangerous
types of data from the Internet, while still allowing other (good) data to
reach your computer. Firewalls also ensure that unauthorized persons can't
gain access to your computer while you're connected to the Internet. You
can find firewall hardware and software at most computer stores nationwide.
Protect yourself!
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05.
Disable file sharing on your personal computer unless you are sure you need
it. If you need it, secure it!
Your computer operating system may allow other computers on a network,
including the Internet, to access the hard-drive of your computer in order
to "share files". This ability to share files can be used to
infect your computer with a virus or look at the files on your computer if
you don't pay close attention. So, unless you really need this ability,
make sure you turn off file-sharing. Check your operating system and your
other program help files to learn how to disable file sharing. Don't share
access to your computer with strangers!
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06.
Disconnect your computer from the Internet when not in use.
Remember that the Information
Super Highway is a two-way street. You send and
receive information on it. Disconnecting your computer from the Internet
when you're not online lessens the chance that someone will be able to
access your computer. And if you haven't kept your anti-virus software
up-to-date, or don't have a firewall in place, someone could infect your
computer or use it to harm someone else on the Internet. Even in today’s
“always on” internet age, be safe and disconnect!
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07.
Back up your computer data regularly.
Experienced computer users know that there are two types of people: those
who have already lost data and those who are going to experience the pain
of losing data in the future. Back up small amounts of data on floppy disks
and larger amounts on CDs. If you have access to a network, save copies of
your data on another computer in the network. Most people make weekly
backups of all their important data. And make sure you have your original
software start-up disks handy and available in the event your computer
system files get damaged. Be prepared!
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08.
Make sure to download security protection update "patches"
regularly.
Most major software companies today have to release updates and patches to their
software every so often. Sometimes bugs are discovered in a program that
may allow a malicious person to attack your computer. When these bugs are
discovered, the software companies, or vendors, create patches that they
post on their web sites. Many of the exploits that you hear about in the
news are as a result of poor patching practices. You need to be sure you
download and install the patches! Check your software vendors' web sites on
a regular basis for new security patches or use the new automated patching
features that some companies offer. If you don't have the time to do the
work yourself, download and install a utility program to do it for you.
There are available software programs that can perform this task for you.
Stay informed!
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09.
Check your security on a regular basis. When you change your clocks for
daylight-savings time, reevaluate your computer security.
The programs and operating system on your computer have many valuable
features that make your life easier, but can also leave you vulnerable to
hackers and viruses. You should evaluate your computer security at least
twice a year -- do it when you change the clocks for daylight-savings! Look
at the settings on applications that you have on your computer. Your
browser software, for example, typically has a security setting in its
preferences area. Check what settings you have and make sure you have the
security level appropriate for you. Set a high bar for yourself! Each time
you reevaluate your system’s security, dig deeper. The Internet has several
positive aspects as well. One of them is the endless amount of information
that you can access, on almost any subject. Do some research and learn
something new about your computer or the software that you use.
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10.
Make sure your family members and/or your employees know what to do if your
computer becomes infected.
It's important that everyone who uses a computer be aware of proper
security practices. People should know how to update virus protection
software, how to download security patches from software vendors and how to
create a proper password. Make sure they know these tips too! Share what
you learn with your friends and family. Help be a good Internet neighbor!
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