Important change for Yettel customers: new look for bill notification email, same security

Extra tips to spot the latest online scams 

An unexpected bill to pay, a pushy payment reminder, or a prize draw you never entered? Every day, we hear reports of scammers impersonating well-known companies – using their names and visual styles – to trick people into paying money or sharing personal information. What are the most common types of scams? How can you spot deceptive tactics? And what should you do if something goes wrong? Yettel’s experts are here to help, sharing practical guidance related to the company’s updated online bill notifications and explaining how to recognize and protect yourself against online fraud.

Important change to Yettel’s bill notification

From October 14, 2025, Yettel’s e bill notification email will get a refreshed look. This email is sent to customers as soon as their phone bill is ready.  The update affects only the appearance of the notification, the content of the email and the downloadable invoice itself remain unchanged. The official sender address will continue to be eszamla@yettel.hu.

What are today's most common online scams?

The most common types of online scams typically arrive via email or SMS. These often involve fraudsters asking for bank card details under false pretence – for example, by sending a fake bill (sometimes disguised as a payment reminder) or requesting a card top-up on a website that closely imitates the legitimate one. Fake prize draws and so-called “satisfaction surveys” are also widespread. In these schemes, after answering a few questions, you are supposedly given a scratch card promising valuable prizes, such as a smartphone. To receive the “prize”, the scam website asks you to pay a small shipping fee in advance – and in doing so, you enter your bank card details on a phishing site. 

How to protect yourself?

Scams can be difficult to avoid precisely because they often appear genuine. Fraudsters frequently create fake websites that use the familiar logos and branding of well-known companies, making them seem legitimate at first glance. Another common tactic is to send messages that create a sense of urgency or fear – prompting immediate action – or to request a small payment to appear harmless.

According to Yettel’s experts, it’s important to watch out for the following tell-tale signs in emails and SMS messages to avoid falling victim to scams:

  • First, check the sender’s contact details. For example, bill notifications or payment reminders from Yettel are sent only from the email address eszamla@yettel.hu. If you receive a message from a different address, treat it with caution. For SMS messages, always verify that the sender’s phone number starts with the Hungarian country code (+36). 
  • Look for language errors. Fraudulent messages often have subject lines with spelling or grammar errors, or include unnecessary symbols, such as multiple exclamation marks. 
  • Yettel never asks customers to send passwords or other sensitive information by email, as this is not secure. Do not respond to such requests under any circumstances.  
  • Verify links and website authenticity. If an email contains a link, always check that the website is genuine. Be cautions if a familiar brand’s site looks different from usual, uses low-quality images, contains poor grammar, or displays excessive pop-ups. Also, avoid websites without a secure connection – those starting with http:// instead of https:// – or with suspicious domain endings other than .hu or .com. 
  • Be wary of “unexpected prizes”. Under current regulations, you cannot win a prize in a contest unless you have explicitly agreed to take part. If you receive a message about a prize draw you never entered, it is almost certainly a scam. 
  • Use only official payment channels. For bill payments, mobile top-ups, or parking fees, always use the company’s official mobile app, as this is the safest option. If you prefer using a web browser, type the company’s web address directly rather than clicking on links in internet search results – even “sponsored” results may lead to fraudulent sites. 
  • Use filtering and protection tools. It can also help to use filtering software that automatically blocks access to fraudulent sites. Yettel’s NetPajzs service, for example, operates directly within the network: if you accidentally click on a suspicious link or a phishing website, NetPajzs immediately blocks access, preventing scammers from obtaining your data. The service can be easily activated in the Yettel app and provides continuous, background protection – allowing you to browse the internet with peace of mind while automatically filtering out “malicious” sites.

Scams can also happen over the phone. In such cases, a convincing caller may try to pressure you into acting immediately, or claim that a relative is in trouble in order to trick you into sending money or revealing your bank card details. Situations like these should always raise suspicion. While technical measures can help reduce such cases, they don’t stop scammers from attempting them. As part of the first phase of the Cyber Shield project, Yettel has begun monitoring incoming international calls that appear to use Hungarian phone numbers and actively blocks those identified as scam calls.

The foundation of protecting your online accounts is a strong password – your first line of defence for keeping personal data, messages, and financial information safe. A strong password does not contain easy-to-guess details such as your name or date of birth. Instead, it should be long and include a combination of uppercase and lowercase letters, numbers, and special characters. It’s equally important to use a unique password for each account, so that if one is ever compromised, your other accounts remain protected. Regularly updating your passwords and enabling two-factor authentication (2FA) can further enhance your online security and make it harder for unauthorised parties to access your accounts.

What to do if something goes wrong

Unfortunately, even with all precautions, it is possible to fall victim to a scam. If you have previously provided your bank card details, or money has been withdrawn from your account, the first step is to immediately block your card. If you have suffered a loss, report it to your bank and to the police.

If it later turns out that you have given your password to a scammer, immediately change the password for that account as well as for any other sites where you used the same password.  A password manager can also help with this, ensuring that each account has a unique, strong password.

For more useful information, please visit the Yettel Digital Security Guide page.