US-CERT is aware of public reports of an email scam circulating that is targeting holiday travelers. The email messages related to this scam appear to come from legitimate major airlines and contain a .zip attachment.  This .zip attachment appears to contain a purchase invoice and flight ticket. If a user opens this attachment, malicious code may be installed on the system.

US-CERT encourages users to do the following to help mitigate the risks:

• Install antivirus software and keep the virus signatures up to date.
• Use caution when opening attachments.
• Refer to the Recognizing and Avoiding Email Scams (pdf) document for more information on avoiding email scams.
• Refer to the Avoiding Social Engineering and Phishing Attacks document for more information on social engineering attacks.

Read more: US-CERT Current Activity