How to identify scams like "American Airlines Account Information Has Changed"

What kind of email is "American Airlines Account Information Has Changed"?

We have examined this email and determined it is a phishing scam impersonating American Airlines. The message falsely claims the recipient's account information has been updated, then pressures them to verify their account through a fraudulent link. Anyone who enters credentials on the resulting page hands them directly to scammers.

"American Airlines Account Information Has Changed" email scam in detail

This email arrives with the subject line "ACTION REQUIRED: Suspicious Activities Detected On Your Account." It claims the recipient's American Airlines account details have recently changed and states that, for security reasons, the exact nature of the update cannot be disclosed.

Recipients are urged to review their account or contact the "American Airlines Service Center" - especially if they did not make any changes themselves. These calls to action are designed to push victims toward a fraudulent website.

Clicking either link leads to a fake page hosted through nolix[.]cyou. It is styled to look like the official American Airlines AAdvantage® sign-in screen, complete with the airline's logo and fields for an AAdvantage number or username and a password.

Whatever is typed into that form goes directly to the criminals running the scam. A stolen AAdvantage account can be used to redeem accumulated miles, book flights in the victim's name, or be sold on underground marketplaces.

The email itself also contains clear signs of fraud. Its footer references "MileagePlus®," which is United Airlines' loyalty program and has no connection to American Airlines. American Airlines is not associated with this scam in any way.

Similar scam emails in general

In conclusion, this is a phishing email disguised as a security alert from American Airlines. Its sole purpose is to steal AAdvantage account credentials through a fake login page on nolix[.]cyou. Recipients should delete the email without clicking any of its links.

Sometimes, scams like this are also used to distribute malware.

More examples of similar scam emails are Your Mailbox Hit A Snag - Quick Update Needed, You Have Virus On Your Email, and Document Ready For Your Signature.

How do spam campaigns infect computers?

Cybercriminals frequently deliver malware by attaching malicious files to emails. These files can be executables, Office documents, PDFs, archives like ZIP or RAR, or script files. Opening them - or enabling features such as malicious macro commands in a document - can trigger a malware installation on the victim's device.

Spam emails can also contain links to malicious sites. Visiting those pages may silently download harmful software, or the site may trick the user into downloading and running a file manually. In either case, some level of user interaction is typically needed before the malware can take hold.

How to avoid installation of malware?

Be skeptical of any unsolicited email, especially one that urges immediate action or impersonates a well-known company. Do not open attachments or click links in messages from senders you do not recognize or did not expect to hear from.

Only download software from official developer websites and trusted app stores. Avoid pirated programs, software cracks, and key generators - they are a common vehicle for malware. Keep your operating system and all applications updated, as patches fix vulnerabilities that attackers exploit.

Use a reputable antivirus or anti-malware tool and keep it up to date. If you have already opened a suspicious file, run a scan with Combo Cleaner Antivirus for Windows to identify and remove any malware that may have been installed.

Text presented in the "American Airlines Account Information Has Changed" email letter:

Subject: ACTION REQUIRED: Suspicious Activities Detected On Your Account

American Airlines

Hi ********,

We wanted to let you know that your American Airlines account information has changed. For your security, we can't specify exactly what was updated, but it may include your address, phone number, password or other details.

If you recently changed information in your account, you can disregard this message.

If you didn't change information in your American Airlines account, you should [review your account information] to see what's changed or [contact American Airlines Service Center]

fly the friendly skies

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This email was sent to ******** by American Airlines. Please do not reply to this email. We cannot accept electronic replies to this email address.

© 2025 American Airlines. All rights reserved.
American Airlines, Inc. 233 S. Wacker Drive Chicago, IL 60606

Contact us | Email preferences | Privacy policy

A STAR ALLIANCE MEMBER

A fake American Airlines website used in this scam:

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Quick menu:

• What is American Airlines Account Information Has Changed phishing scam?
• Types of malicious emails.
• How to spot a malicious email?
• What to do if you fell for an email scam?

Types of malicious emails:

Phishing Emails

Most commonly, cybercriminals use deceptive emails to trick Internet users into giving away their sensitive private information, for example, login information for various online services, email accounts, or online banking information.

Such attacks are called phishing. In a phishing attack, cybercriminals usually send an email message with some popular service logo (for example, Microsoft, DHL, Amazon, Netflix), create urgency (wrong shipping address, expired password, etc.), and place a link which they hope their potential victims will click on.

After clicking the link presented in such email message, victims are redirected to a fake website that looks identical or extremely similar to the original one. Victims are then asked to enter their password, credit card details, or some other information that gets stolen by cybercriminals.

Emails with Malicious Attachments

Another popular attack vector is email spam with malicious attachments that infect users' computers with malware. Malicious attachments usually carry trojans that are capable of stealing passwords, banking information, and other sensitive information.

In such attacks, cybercriminals' main goal is to trick their potential victims into opening an infected email attachment. To achieve this goal, email messages usually talk about recently received invoices, faxes, or voice messages.

If a potential victim falls for the lure and opens the attachment, their computers get infected, and cybercriminals can collect a lot of sensitive information.

While it's a more complicated method to steal personal information (spam filters and antivirus programs usually detect such attempts), if successful, cybercriminals can get a much wider array of data and can collect information for a long period of time.

Sextortion Emails

This is a type of phishing. In this case, users receive an email claiming that a cybercriminal could access the webcam of the potential victim and has a video recording of one's masturbation.

To get rid of the video, victims are asked to pay a ransom (usually using Bitcoin or another cryptocurrency). Nevertheless, all of these claims are false - users who receive such emails should ignore and delete them.

How to spot a malicious email?

While cyber criminals try to make their lure emails look trustworthy, here are some things that you should look for when trying to spot a phishing email:

• Check the sender's ("from") email address: Hover your mouse over the "from" address and check if it's legitimate. For example, if you received an email from Microsoft, be sure to check if the email address is @microsoft.com and not something suspicious like @m1crosoft.com, @microsfot.com, @account-security-noreply.com, etc.
• Check for generic greetings: If the greeting in the email is "Dear user", "Dear @youremail.com", "Dear valued customer", this should raise suspiciousness. Most commonly, companies call you by your name. Lack of this information could signal a phishing attempt.
• Check the links in the email: Hover your mouse over the link presented in the email, if the link that appears seems suspicious, don't click it. For example, if you received an email from Microsoft and the link in the email shows that it will go to firebasestorage.googleapis.com/v0... you shouldn't trust it. It's best not to click any links in the emails but to visit the company website that sent you the email in the first place.
• Don't blindly trust email attachments: Most commonly, legitimate companies will ask you to log in to their website and to view any documents there; if you received an email with an attachment, it's a good idea to scan it with an antivirus application. Infected email attachments are a common attack vector used by cybercriminals.

To minimise the risk of opening phishing and malicious emails we recommend using Combo Cleaner Antivirus for Windows. 

Example of a spam email:

What to do if you fell for an email scam?

• If you clicked on a link in a phishing email and entered your password - be sure to change your password as soon as possible. Usually, cybercriminals collect stolen credentials and then sell them to other groups that use them for malicious purposes. If you change your password in a timely manner, there's a chance that criminals won't have enough time to do any damage.
• If you entered your credit card information - contact your bank as soon as possible and explain the situation. There's a good chance that you will need to cancel your compromised credit card and get a new one.
• If you see any signs of identity theft - you should immediately contact the Federal Trade Commission. This institution will collect information about your situation and create a personal recovery plan.
• If you opened a malicious attachment - your computer is probably infected, you should scan it with a reputable antivirus application. For this purpose, we recommend using  Combo Cleaner Antivirus for Windows.
• Help other Internet users - report phishing emails to Anti-Phishing Working Group, FBI’s Internet Crime Complaint Center, National Fraud Information Center and U.S. Department of Justice.

Frequently Asked Questions (FAQ)

Why did I receive this email?

These messages are mass-distributed rather than targeted. Scammers collect email addresses through data breaches, fake websites, and similar methods, then send the same email to large numbers of recipients at once.

I have provided my personal information when tricked by this email, what should I do?

Change your AAdvantage password immediately and contact American Airlines to report the compromise. If you also submitted payment details or identification documents, reach out to the relevant financial institutions or authorities without delay.

I have downloaded and opened a malicious file attached to an email, is my computer infected?

Executable files can compromise a device almost immediately when opened. Documents such as PDFs or Word files generally need further interaction - like enabling macros - before malware activates. The actual risk depends on the file type and how you interacted with it.

I have read the email but did not open the attachment, is my computer infected?

No. Simply reading an email does not infect your computer. Malware requires the user to open an attachment, click a malicious link, or otherwise engage with harmful content in some way.

Will Combo Cleaner remove malware infections that were present in email attachment?

Yes. Combo Cleaner can detect and remove the vast majority of known malware. Running a full system scan is essential, as some sophisticated threats may be embedded deeply enough to evade a quick check.