NordVPN Releases Survey of Biggest Cyber ​​Attacks of 2021

Deepak Gupta
Deepak Gupta January 17, 2022
Updated 2022/01/17 at 7:44 PM

THE NordVPN, company of cybersecurity it’s from VPN service, conducted a survey of the largest cyber attacks carried out in Brazil in 2021. Among the attacks that marked (negatively) the year are those suffered by the JBS, Renner and public bodies, such as the attack on the STJ and the Ministry of Health.

Retrospective of the lack of security in Brazil

At the beginning of 2021, 220 million Brazilians had their CPF, salary, credit card score, bad checks, telephone numbers, license plates, type of fuel and others. exposed datas. The origin of the data was not identified, but the risk was high, since there was a lot of information that could set a precedent for several scams. It was speculated that this data was a “package” that brought together various data from previous leaks.

The store network Renner had its website taken down due to a digital kidnapping attack (ransomware) and those responsible for the criminal action charged a ransom that would reach US$ 1 billion to release the company’s encrypted systems. In a similar situation, food JBS made the payment of US$ 11 million to cybercriminals that compromised the company’s systems in June last year in order to prevent potential risks to consumers.

THE attentive, a telemarketing company, had its system hacked and claimed to have isolated its systems, interrupting its connections with customers, to avoid the risk of leaking company data. In August 2021, the São Francisco do Sul hospital, in Santa Catarina, was the victim of a ransomware attack, which left its management and service systems paralyzed and causing damage to its database.

Hacker attacks hit public bodies

The National Treasury’s internal network also suffered a ransomware. The system went down and the files were encrypted. A ransom was required to unlock them. At the end of last year, the systems of the Ministry of Health, involving the National Health Data Network, which had not yet been reestablished, however, the e-SUS Notifica, ConnectSUS and National Immunization Program Information System operate normally. The attack lasted more than a month and began in the early hours of December 10, after the government accepted Anvisa’s recommendation to impose five days of quarantine on unvaccinated people so that they could enter Brazil. At least 50 terabytes of information were removed from the systems and left in the hands of the criminals.

all in all, more than 20 government agencies were attacked, as well as the National Land Transport Agency, the Complementary Pension Fund for the Public Servant of the Union, the National Water and Sanitation Agency, Embratur, the Federal Highway Police Department, the Federal Institute of Paraná, the Federal Institute of Piauí, the Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, the National School of Public Administration, linked to the Ministry of Economy.


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