Internet Security Week - Issue 78

In the 78th edition of Internet Security Week , the National Treasury suffers a ransomware attack, Detran SP has data leaked, Lojas Renner goes offline after a ransomware infection, and much more.

News

National Treasury suffers ransomware attack

The National Treasury Secretariat and B3 (stock exchange), responsible for Tesouro Direto operations, reported that the ransomware attack suffered last Friday (13) against the secretariat's internal network did not affect “in any way” the Tesouro Direto platform.

By Andreia Verdélio in Agência Brasil

Lojas Renner goes offline after ransomware infection

Lojas Renner's system was allegedly infected with ransomware. According to images posted on social media, the company was reportedly being extorted for US$1 billion to release the files, approximately R$5.4 billion at the current exchange rate.

By Felipe Payão in Tecmundo

Pix is used as bait in new SMS scams to steal money

Tactics used by criminals work similarly to fake invoices sent via email; Pix's speed facilitates scams, says Kaspersky.

By Ana Marques in Tecnoblog

Corporate cyberattack risks in Brazil are higher than the global average

The overall chance of business users being hit by computer cyberthreats increased by 24% (from 11.25% to 13.9%) worldwide in one year. This is according to Avast's latest Global PC Risk Report, which analyzes threats blocked by the company from March 16, 2021, to April 14, 2021, compared to the same period in 2020.

By Roseli Andrion on Canaltech

Ministry of Economy reveals infection by unidentified ransomware

The Ministry of Economy revealed that the internal network of the National Treasury Secretariat, the agency responsible for the Federal Government's bank accounts, was the victim of an as-yet-unidentified ransomware attack. The attack was identified on Friday (13) and the ministry's statement was published on Saturday (14).

By Guilherme Petry in The Hack

Ransomware attacks Coca-Cola in Brazil

The operators of the BlackMatter ransomware published a post on their dark web leak site claiming to be in possession of 50 gigabytes of data from Solar Bebidas, the second-largest manufacturer and bottler in the Coca-Cola System in Brazil, headquartered in Fortaleza, Ceará.

In CISO Advisor

Ransomware and data hijacking: how to protect yourself

Ransomware is a type of digital threat that blocks access to your files and data, demanding a ransom payment to unlock them. It's a form of extortion through data kidnapping.

By Heini Thomas Geib on Lumiun Blog

Detran SP has a leak of 2 million data

Detran-SP (São Paulo State Department of Transit) suffered an alleged leak on Monday afternoon (16). According to a publication on a cybercriminal forum, a seller advertises a database with 2 million lines registered in the systems that contain sensitive information about drivers, such as full name, document number, license plate and federative unit.

By Felipe Payão in Tecmundo

Accenture suffers attack, isolates machines, restores backup

A cyberattack—allegedly ransomware—hit Accenture servers, the company confirmed to Bleeping Computer. The attack was claimed last night by a group of cybercriminals operating the LockBit ransomware. The cybercriminals published a list of stolen file names, claiming to have downloaded six terabytes of data, and demanding a $50 million ransom to keep the files from being exposed.

In CISO Advisor

Tokio Marine Singapore reveals unidentified ransomware infection

The Singapore office of insurer Tokio Marine was the victim of a ransomware attack, the company revealed in a statement published on Monday (16). Tokio Marine is a multinational insurance provider, headquartered in Japan and has more than 39 thousand employees spread across 38 different countries.

By Guilherme Petry in The Hack

New type of ransomware bribes employees to attack their own companies

Ransomware attacks, which have generated numerous headlines in recent years, have attracted the attention of criminals due to their high profitability — in some cases, ransoms paid reach millions.

By Felipe Gugelmin on Canaltech

Bitcoin exchange suspends withdrawals after $90 million theft

Japanese bitcoin (BTC) and other cryptocurrency exchange Liquid revealed last Wednesday (18) that it was the victim of a cyber attack, in which hackers took more than US$90 million in cryptocurrencies from some digital wallets that were compromised.

By Bruno Ignacio in Tecnoblog