Just as the mythological Trojan horse appeared to be a gift, but turned out to contain Greek soldiers who overtook the city of Troy, today's Trojan horses are computer programs that appear to be useful software, but instead they compromise your security and cause a lot of damage. A recent Trojan horse came in the form of an e-mail that included attachments that claimed to be Microsoft security updates, but turned out to be viruses that attempted to disable antivirus and firewall software.
Trojan horse (n.) A computer program that appears to be useful but that actually does damage.
Trojan horses spread when people are lured into opening a program because they think it comes from a legitimate source. To better protect users, Microsoft often sends out security bulletins via e-mail, but they never contain attachments. We also publish all our security alerts on our Security Web site before we e-mail them to our customers.
Trojan horses can also be included in software that you download for free. Never download software from a source that you don't trust. Always download Microsoft updates and patches from Microsoft Windows Update or Microsoft Office Update.
Source: Microsoft
Trojan horse (n.) A computer program that appears to be useful but that actually does damage.
Trojan horses spread when people are lured into opening a program because they think it comes from a legitimate source. To better protect users, Microsoft often sends out security bulletins via e-mail, but they never contain attachments. We also publish all our security alerts on our Security Web site before we e-mail them to our customers.
Trojan horses can also be included in software that you download for free. Never download software from a source that you don't trust. Always download Microsoft updates and patches from Microsoft Windows Update or Microsoft Office Update.
Source: Microsoft
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