Viruses and safe e-mail practices
Hoax e-mail
Although there are many real viruses on the
Internet, you should also beware of virus hoaxes. People who send
you e-mail do not always have your best interests in mind. In fact,
there are people out there who are up to no good. If a message sent to you requests you to call a telephone number, reveal personal information, or change settings on your computer, first check a hoax listing website rather than assume that the email is legitimate.
If you receive an e-mail notifying you that have been
infected with a virus, DO NOT follow its instructions without first
checking to see whether or not it is a hoax. You can check and verify
many of these sort of things by either visiting the Urban Legends
web site that is located at http://www.snopes.com/
or the Computer Incident Advisory Capability site at http://hoaxbusters.ciac.org/.
If you have verified that you have received a virus
hoax in e-mail, and if you know the person who sent it to you, notify
him or her. Include one of the two links above. If you forwarded
the hoax before learning that it is a hoax, notify those to whom
you sent the message. Again, include the link so that they can verify
it for themselves.
In addition, beware of sales pitches disguised as warnings
about viruses, even if they don't appear in the list of known hoaxes.
Unscrupulous Internet marketers will often pretend to be one of
the best-known legitimate anti-virus companies; it is best not to
respond at all to unsolicited e-mail.
Virus e-mail
To prevent your computer from getting infected from
a virus we recommend that you install and maintain an anti-virus
program on your computer. There are many good choices, but three
of the most popular are Symantec's Norton Anti-Virus, McAfee's Anti-Virus,
and Trend Micro's PCcillin. You can look up virus information, learn
more about the software and purchase their software at their web
sites:
Symantec: http://www.symantec.com
McAfee: http://www.mcafee.com
Trend Micro: http://www.trendmicro.com
In addition, all three products are readily available
at retail stores that carry anti-virus software.
Whatever virus protection software you select, be sure
to register it quickly and make sure that you are set up to receive
updates to your virus definition files on a regular basis. With
new viruses being unleashed every day, it is vital to get these
updates.
If you are a Windows user, we also recommend that you
visit
http://windowsupdate.microsoft.com/
and install the Critical Updates listed under Product
Updates on at least a monthly, preferably a bi-weekly, basis to
prevent viruses from using undiscovered flaws in your operating
system software to invade your computer.
If you already have antivirus software installed and
it is telling you that there is a virus in the e-mail and the anti-virus
software prevents you from downloading it, you can use ETI's web-based
e-mail interface to remove the message containing the virus from
your mailbox. After doing this, you can collect your mail normally.
The ETI Users Center can be found by typing http://users.eticomm.net/
into your browser's Address line. The center will ask for your
username and password; once you have provided this information and
logged in, follow the link at the top of the page to "E-Mail." Mark
the message containing the virus for deletion by checking in the
box for that message on the right, and clicking on the button at
the bottom of the page that says "Delete Selected." When the page
reloads, click on the link the says "Empty Trash."
If you would like to have your e-mail scanned for viruses both before you receive them and after you send them, and you are in need of a domain name or already have one, then you may want to open a Hosting Account with ETI. With a hosting account, e-mail is scanned on the server before it is processed. By having e-mail scanned on the server, most e-mail messages that contain viruses are prevented from being delivered to the end user.
Attachments
Any e-mail message you receive which includes an attachment
might cause problems for your computer. Therefore, whenever you receive an unexpected e-mail message containing an attachment, or you do not recognize the sender, do the following:
- Don't touch the attachment. Don't open it, don't
view it, don't save it to disk.
- Contact the person who sent it to you and verify they actually
sent it to you.
- Ask them what the attachment specifically entails. If you are still not comfortable opening the attachment, contact the person you normally turn to if you have problems with your computer. If you're in an office, contact your Network Administrator. If you are at home, call ETI Customer Care. DO NOT send us a copy of the attachment; instead, describe it to us and then wait until we ask you for it.
- If all else fails, send a message to Virus@SecurityAdvice.com
describing the message you have received. You *can* send a copy
of the attachment to this address. The message will be investigated
and you will receive a message back from www.securityadvice.com with
whatever information they can provide about it.
If you are going to send someone an e-mail message and
include an attachment yourself, then do the following;
- Before you send the message with the attachment, always
send the recipient a message telling them you are about to send
them an attachment & / or notify them by some other means.
This will let them know to expect a message with an attachment
from you.
- Avoid sending messages with attachments that contain executable
code (codes that run things), like Word documents with macros.
Instead of sending them a .DOC file, send them a .RTF version.
If your machine is already infected without your knowledge, this
will help prevent you from embarrassment of being the source of
infection of other people's machines. As part of our ongoing effort
to fight this problem, ETI currently blocks file attachments with
these extensions: VBS, BAT, SCR, and PIF.
- Use an anti-virus product, but don't rely on it to completely
protect you. Specifically scan any file you are going to include
as an attachment in an e-mail before you send it to someone else.
You may be sending someone a virus that has yet to be identified by your anti-virus vendor, so the vendor may not be able to tell it is a virus.
Always err on the side of using e-mail safely.
The problem of viruses on the Internet is not going
away. You need to think of these practices the same way you think of locking your doors at night, or riding a bike on a busy street. There are safe ways to operate, and unsafe ways. Be smart,
ask questions, and think before you click.
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