In a data breach operation, Brazilian police arrested hackers involved in the intrusion of national databases and FBI systems. The attackers, also known by the alias , have been conducting high-profile cyberattacks for years, stealing confidential information and posting it on hacker forums. One of their most notable attacks was the hacking of the portal, which is used to share cyber threat information between and key organizations in the United States. Another incident was the hacking of the National Public Data (), which leaked the personal information and social security numbers of hundreds of millions of American citizens.

According to the police, the U.S. Department of Defense distributed data of 10,000 members on a specialized website. Following these events, a Brazilian publisher received an anonymous tip claiming the leak had revealed the identity of the attacker. The documents stated that a 20-year-old Brazilian, hiding under the pseudonym "Guimães," was the perpetrator. Shortly after, the hacker himself confirmed the accuracy of the data in an interview, adding that he resides in Brazil. He also pointed out that many companies, including Globo, were aware of his identity even before the attack occurred.

The Brazilian Federal Police may use this information to locate suspects. On [specific date], a hacker was arrested in Belo Horizonte, marking the end of the data breach operation. As part of the investigation, searches were conducted and evidence was seized, indicating that the detainee was involved in the sale of Federal Police data on [specific date in year] and [specific date in year].