Copyright ©2005 CNET Networks, Inc. All rights reserved. Practice e-mail safety Learn how to protect yourself against common e-mail attacks.

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Presentation transcript:

Copyright ©2005 CNET Networks, Inc. All rights reserved. Practice safety Learn how to protect yourself against common attacks

Copyright ©2005 CNET Networks, Inc. All rights reserved. Preventing problems Many malicious acts, such as identity theft, viruses, and scams, are perpetrated through . The best protection from these schemes is knowing what to look for.

Copyright ©2005 CNET Networks, Inc. All rights reserved. Why ? There are currently over 500 million users worldwide. Currently, there are 50 billion s sent every day. This is a huge potential market for people trying to sell, steal, or simply harm others.

Copyright ©2005 CNET Networks, Inc. All rights reserved. A huge amount of bad According to a Canadian study, 73% of all sent in 2004 was SPAM. America Online currently blocks over 3 billion SPAM s per day. With this many s floating around, everyone needs to be aware of what to look for in .

Copyright ©2005 CNET Networks, Inc. All rights reserved. Types of bad s Viruses and worms Phishing scams SPAM Chain letters

Copyright ©2005 CNET Networks, Inc. All rights reserved. Viruses and worms Many types of computer viruses are spread through . However, there are some steps that users can take to help prevent becoming infected.

Copyright ©2005 CNET Networks, Inc. All rights reserved. Attachment safety Never open attachments from someone you do not know. If you think the attachment may be legitimate, send an to the person who sent it, and confirm that they indeed did send it. Always make sure your antivirus software is up to date. Your antivirus software will combat many bad attachments that could lead to a virus infecting your system.

Copyright ©2005 CNET Networks, Inc. All rights reserved. Opening s If you think something seems wrong with an e- mail, delete it immediately If you get a window asking you to install something when you open an , click “No” or simply exit, and then delete the If an directs you to a Web site that asks you to install something, click “No” or exit, and then delete the

Copyright ©2005 CNET Networks, Inc. All rights reserved. Phishing Phishing is a way of fraudulently acquiring sensitive information, such as credit card or bank account information by tricking users with official-looking messages

Copyright ©2005 CNET Networks, Inc. All rights reserved. Types of phishing scams Phishing s can appear to come from legitimate institutions such as your bank, eBay, Visa, etc., but they really come from a criminal trying to steal information Instant Messenging (IM) With IM phishing, you will get an IM from someone claiming to be support for your IM provider, asking you for account information

Copyright ©2005 CNET Networks, Inc. All rights reserved. How to not become a phishy Never send sensitive account information in an message Never go to a sensitive site through an link; always type the site name in your browser (such as Never give any password out to anyone. If your bank requires verification, do it over the phone or in person. Verify any person who contacts you unsolicited, claiming to be customer support

Copyright ©2005 CNET Networks, Inc. All rights reserved. The SPAM problem SPAM is unsolicited commercial e- mail. SPAM s are sent en mass, to thousands of people in an attempt to get them to purchase a product ranging from night lights to prescription medications. SPAM messages account for over 36 billion messages per day.

Copyright ©2005 CNET Networks, Inc. All rights reserved. Ways to combat SPAM Never buy anything from a SPAM ; SPAM continues to exist because it works Take advantage of SPAM filtering in your client (such as Microsoft Outlook 2003) Do not use your address to sign up for things on the Internet without reading the company’s privacy policy (make sure they won’t sell your address to other companies).

Copyright ©2005 CNET Networks, Inc. All rights reserved. Chain letters Chain letters cover any variety of topics, anything from spiders in the toilet to free gift certificates or even getting paid to forward the . They are all hoaxes, and should be avoided.

Copyright ©2005 CNET Networks, Inc. All rights reserved. Break the chain The problem with chain letters is the sheer volume of mail they create. If one person forwards 1 message to 10 people, and each of them forwards it to 10 people, by the sixth generation you have over 1 million messages. If you figure in the cost of each of those people reading the chain letter, you end up with a huge cost. This does not include the cost associated with the mail servers storing and sending all those messages, or slowing down because of the extra load.

Copyright ©2005 CNET Networks, Inc. All rights reserved. Go forth and be safe …