The time frame defined for the conduction of the first step of the research is the period from March 20, 2020 (when the public calamity state was declared due to the pandemic) to December 31, 2020. The collection of data in this step was executed using:
a) FOIA requests (based on the Brazilian Freedom of Information Act n. 12527/2011);
b) search in public transparency portals;
c) Official Gazettes;
d) exploratory searches using keywords in Google search. In this case, the information was selected from publications that announced a personal data based technology being used by the public sector in the fight against COVID-19. Advanced research techniques were implemented in order to make the search more efficient;
e) Information and documents requested directly via email of the companies involved in the acquisition of technology.