The Tax and Customs Authority (AT) warned last night (7th August) of fraudulent e-mail messages using the “finance portal” address and urges taxpayers not to open the suggested link.

“The Tax and Customs Authority is aware that some taxpayers have been receiving email messages from the portaldasfinancas.3aqb9 @ .pt address where they are asked to click on a link that is provided,” says AT, noting that “these messages are false and should be ignored.”

In the security alert posted on the Finance Portal (, AT further stresses that the purpose of these fraudulent messages “is to convince the recipient to access malicious pages by clicking on the suggested link” and warns that “ under no circumstances should [the taxpayer] perform this operation ”.

Over the past few years, AT has been making several similar warnings after it has detected or been aware of attempts to attempt phishing attacks (online fraud).