Scammers Target Telstra Customers Via Fake ‘Trouble Processing Your Bill’ Email

Posted by MailGuard on 31 August 2021 13:09:36 AEST

Purporting to be from Telstra, the latest phishing scam intercepted by MailGuard targets customers of the popular telecommunications provider in an attempt to swindle unsuspecting victims into providing sensitive data, such as credit card and user login details. As a large company with a trusted brand and millions of customers, Telstra is a popular target for cybercriminals peddling phishing scams of this nature.   

The email is quite simple, and poorly executed, with an incoherent subject line reading, ‘we’re encouraging some trouble processing your bill’ and no visible Telstra branding in the body of the email. The display name for the sender reads as ‘Telstra/AU’ attached to a long-winded email address. A couple of red flags highlighting the inauthenticity of the email.  

Here’s what the email looks like: 

were encouraging some trouble processing your bill . - Inbox - Mozilla Thunderbird_646

If the customer clicks on the ‘Click here’ link, they are then taken to the first phishing page that seems more credible. The added elements of Telstra branding resemble an actual customer login page. Users are encouraged to sign into their online account using their Telstra username and login.  

Login - My Account - Telstra — Mozilla Firefox_642

Once the victim has entered in these details and clicked on the ‘Sign In’ button, they are taken to the next page below, which asks for their credit card details, a close replica of a legitimate Telstra payments page.  

Login - My Account - Telstra — Mozilla Firefox_643

The next step advises users that an SMS has been sent to their mobile phone in which a verification code is provided. However, this is likely to be an attempted charge on the credit card. 

Telstra — Mozilla Firefox_644The final page falsely tells the user that the ‘invoice has been paid successfully’ before redirecting them to the legitimate Telstra website.  

Telstra — Mozilla Firefox_645

This campaign is designed to capture and harvest sensitive user credentials like usernames and passwords, along with credit card details, which may then be used in subsequent criminal activity such as for fraudulent payments or sold on the dark web to other cybercriminal groups.  

Although the email is relatively simple in its execution, the phishing pages share a likeness to legitimate Telstra pages, which means that there is a likelihood that vulnerable customers may fall prey to the scam, simply due to their familiarity with the Telstra brand. In addition to this, given the urgent need to ensure that telephone and internet services remain operational.  

Checking the sender details of suspicious emails is one way of verifying whether they are legitimate communications or email scams. In this instance, the email does not originate from an authentic Telstra email domain.  

Here’s the advice from Telstra (https://www.telstra.com.au/help/contact-us/scams) with regard to email scams: 

“What to look out for: 

  • Unaddressed or generically addressed emails, such as “Dear Customer”. 
  • Badly written emails with broken sentences, spelling mistakes, grammatical errors and words in a foreign language. 
  • Suspicious looking URLs or ones that don’t directly point back to the Telstra website. 
  • Emails that include a zip file, an .exe or other suspicious attachment. 
  • Emails that display account information that doesn't match your Telstra account details. You can refer to Telstra 24x7 My Account for accurate account information. 
  • Requests for your credit card, passwords, account details or personal information either by replying to the email, or by asking you to ‘click a link’ and fill in a web form. 

What to do next: 

  • Avoid opening suspicious or unsolicited emails – delete them directly from your inbox. 
  • If you get a suspicious email, don't reply to the email or open the links. If you accidentally click on a link which opens a website, don't enter any information onto the website. 
  • Avoid opening email attachments. If you've already saved or clicked on an attachment, make sure that your computer’s operating system and anti-virus software is up to date. Consider running an anti-virus scan of your computer. 
  • Tell us about the scam by submitting a Report Misuse of Service form and include as much detail as you can. Our Cyber Security team will investigate the report and may be in touch if they have additional questions. 
  • If you have provided your information to something you believe is a scam, please visit: What to do if you’ve become a victim of cybercrime” 

MailGuard urges all recipients of this email to delete it immediately without clicking on any links. Providing your personal details can result in your sensitive information being used for criminal activity and may have a severe negative impact on your financial well-being.   

MailGuard urges users not to click links or open attachments within emails that:    

  • Are not addressed to you by name.    
  • Appear to be from a legitimate company but use poor English, or omit personal details that a legitimate sender would include.    
  • Are from businesses that you were not expecting to hear from, and/or    
  • Take you to a landing page or website that is not the legitimate URL of the company the email is purporting to be sent from.    

One email is all that it takes    

All that it takes to devastate your business is a cleverly worded email message that can steal sensitive user credentials or disrupt your business operations. If scammers can trick one person in your company into clicking on a malicious link or attachment, they can gain access to your data or inflict damage on your business.    

For a few dollars per staff member per month, you can protect your business with MailGuard's predictive and advanced email security. Talk to a solution consultant at MailGuard today about securing your company's inboxes. 

 

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Topics: Phishing Email Security Cybersecurity Telstra Telstra scam scam alert bill scam

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