Manila, Philippines – The Bureau of Internal Revenue (BIR) is investigating claims of a cybersecurity breach and an alleged data leak, as it works with government cybersecurity agencies to assess the situation and protect its systems and taxpayer information.
In an advisory issued on 9 November 2026, the BIR said the claims were being addressed in coordination with the Cybercrime Investigation and Coordinating Centre (CICC) and the Department of Information and Communications Technology’s National Computer Emergency Response Team (DICT-NCERT).
The bureau said it had implemented immediate response measures to assess the situation and safeguard the security and integrity of its systems and taxpayer data.
The advisory followed reports of an alleged data leak circulating online. The Philippine News Agency reported that the BIR was investigating the claims and would provide further updates when available.
The BIR also advised taxpayers and other stakeholders to remain vigilant and conduct transactions exclusively through its official channels and platforms.
The agency has not confirmed that taxpayer data was compromised. Its investigation and coordination with the relevant government agencies are ongoing.

