Cyber criminals take advantage of the increased number of legitimate e-cards sent during the holiday season to send out their own fraudulent, and potentially damaging, e-cards. These spammed messages may try to lure you into clicking on malicious links in order to compromise your PC with a Trojan horse or virus.

Be extra vigilant in the weeks ahead when you get an e-mail claiming, "You've received an e-card," unless you're certain it's from a trusted friend or family member. It only takes a moment to check out an e-card, and it could save you hours of headaches:

• Examine the e-card notification closely before clicking on any links contained within it. Are there typos in the message? Does it lack a personalized greeting that identifies you by name? Those are warning signs.
• Look at the link you're asked to click on in order to receive the e-card. If it ends in ".exe," it's an executable file—a file that automatically executes code to install and run programs and routines. A legitimate e-card will not have an executable file, so seeing one is evidence of a scam. Do not click on the link.
• Check the headers of the e-mail to see if the Web address is different from the one displayed in your Inbox. If it is, this is another warning sign.

Should you receive an e-card notification containing one or more of these "red flags," do not click on the link. Simply delete the e-mail from your Inbox. In addition, continue to follow these basic security precautions:

• Use a firewall.
• Use antivirus and antispyware software and keep it up to date.
• Never download or click on anything from any unknown source.
• Don't accept an end-user agreement without reading the fine print first; you might inadvertently agree to install spyware or something else you don't want.

Exchanging holiday e-cards can be a wonderful part of the season. Just make sure you keep your eyes open before you open those e-card links.

[Source: Cornerstone Publishing Group Inc., SkyBest Communications, eNewsletter of Skyline Telephone Membership Corporation]