Definitely a scam! I just ran this through the Authentiseal Credibility Check tool and it flagged the domain as being registered only 48 hours ago in a high-risk jurisdiction. Government agencies will never ask for your full credit card number via a text link. Avoid!
Suspicious "Tax Refund" Portal - authentic-tax-portal.biz
https://authentic-tax-portal.biz
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Authentiseal Verified
Category: Scams
• Posted Feb 22, 2026
Replies (3)
Thanks for posting this. I got the same text message an hour ago. The .biz extension is a huge red flag for a government site. I’ve reported the URL to the hosting provider as well.
Great catch, everyone. We have added this URL to our blacklist. Remember: if a site pressures you to provide sensitive data immediately, always stop and check the credibility score first.