The group claims to have breached 39.4GB pdf data from Mazatlán Municipal Government. The compromised data reportedly includes key, date of entry, affiliation with IMSS, RFC (tax ID), CURP (unique population registry code), periods, addresses, tax regime, department, position, working hours, contract, payment date, days paid, individual tax regime, fiscal folio, series, SAT certificates, issuing certificate, place of certification, full name of employee, amount paid, taxable amount, concept key.