Looking at the screenshot above, all of the headers are the same except for the From: one, which is what would be displayed to the email’s recipient. ![]() A number of different header values in this email should display the sender address, including: The screenshot above is from a mailer from Audible, Amazon’s audiobook company, listing the day’s daily audiobook deal. However, not all emails with spoofed display names are malicious. However, the display name in an email is easily faked, and over 90% of phishing emails spoof their display name.Ĭomparing the various email headers associated with the sender’s address can be helpful in identifying this technique. Mismatched sender addressesĪ common part of cybersecurity awareness and anti-phishing training is teaching employees to check the sender’s address before trusting an email. Three potential signs of a phishing email are mismatches in the sender’s address, a suspicious path between sender and recipient and the use of an unusual email client. Other headers require some understanding of their purpose to be useful in analysis. Some of these are easy to read and interpret, like the sections saying that DKIM and SPF verification passed in the screenshot above. Indicators of potentially malicious content in email headersĮmail headers provide a great deal of information that can be used in identifying potential phishing emails. Examination of these headers can help to detect phishing emails. It includes information about the route taken by the email to reach its destination and the results of authentication testing. The screenshot above is a subset of the headers for this email. ![]() In Gmail, clicking the More menu (three dots) and selecting “Show Original” opens the source of the email. However, this is not all of the information available. Looking at this, the lack of an email address in the to: field is suspicious, since it probably indicates a mass-mailer. It contains the subject line, date, sending address and message body.īy clicking on the down arrow next to the word “to,” you can see additional details about how the message was sent. In Gmail, most emails look similar to the screenshot shown above. When you look at an email in Outlook, Gmail, or the email client of your choice, you probably only see a fraction of the data that the email contains. This is where spoofed email headers come in. ![]() The other part of a successful spearphishing attack is making the email look like it came from a trusted person. When masquerading as a well-known institution, like PayPal or Apple, it is important to get the tone of voice and stylistic details correct. Part of making a phishing email is creating the right tone for the pretext. If the email looks phony, then no one will click the malicious link or download and open the attachment. Review our international travel guidelines as well.However, a phishing email needs to be plausible to be believable. Limit use of public Wi-Fi as it may not be private.Įnsure you have all of the above items in place before your trip. Use UAB’s wireless network on campus or connect to the VPN when needed. Don’t let devices out of your sight or grasp.Ĭonnect securely. Delete apps that you don’t use and only install from trusted sources. Disable bluetooth and GPS access when not in use. Install updates regularly for systems, software and applications.Įnable passwords and screen-lock options, encrypt hard drives and reset default passwords. Set the privacy and security settings on websites and social media to your comfort level for information sharing. Consider what a post reveals, who might see it, and how it could be perceived now and in the future. Think before posting about yourself and others online. ![]() Your information can be used for verification, and you should not share sensitive or too many details publicly. Follow UAB’s rules for storing data in the cloud. Install anti-malware and anti-virus software. Use strong and unique passwords for each account you have. Be sure to know the best practices to keep yourself safe with our top tips and use our information from our toolkit to spread the word. In addition to phishing, there are other ways that hackers will attempt to get you to fall for their schemes.
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