Sintra's Municipal Water and Sanitation Services (SMAS de Sintra) today confirmed that they were the target of a computer attack that exposed data from some customers, and measures were taken to contain the problem.
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12/11/2026
by
Lusa
Os Municipalized Services of Water and Sanitation Sintra (SMAS de Sintra) today confirmed that they were the target of a computer attack that exposed data from some customers, but measures were adopted to contain the problem.
In a note, the SMAS stressed that the computer security incident occurred “in the area of online forms” of their website and “involved the copy of data provided in the form area”.
“ The information found confirms that most of Sintra’s SMAS customers were not affected,” the company added, stressing that “the affected holders were/are also being contacted individually.”.
The company ensured that “as soon as the incident has been identified” “measures of containment and security reinforcement, including the removal of the improper access mechanisms identified” were adopted.
According to SMAS, the personal data involved may include, depending on the form used, identification and contact details, address, tax identification number (NIF), identification document number and IBAN.
“We are not aware of any misuse of the data. However, just in case, we recommend the usual attention to messages, calls or unexpected requests for personal data, bank or payments, always confirming its authenticity through the official channels of the SMAS of Sintra ", warned the municipal company.
The SMAS of Sintra reiterates that they continue to “follow the situation and take the necessary measures”, having reported the incident to the National Data Protection Commission (CNPD) and the National Cybersecurity Center (CNCS).