Internet Security Week - Issue 84

In the 84th edition of Internet Security Week , new malware on Android, Brazilian corporate websites at risk, could the Renner case have been avoided? and much more.

News

New Android malware steals millions after infecting 10 million phones

A massive malware campaign infected more than 10 million Android devices in more than 70 countries and likely stole hundreds of millions from its victims by tricking them into subscribing to paid services without their knowledge.

By Sergiu Gatlan at Bleeping Computer

98% of Brazilian corporate websites are at risk of cyberattacks

A study by PSafe, a digital security specialist, found that 98% of 2,400 Brazilian corporate websites analyzed have a medium risk of cyberattack. The assessment of Brazilian websites was conducted using dfndr enterprise, which detects threats and security breaches using artificial intelligence.

By Roseli Andrion on Canaltech

Cybercriminals hack into official Bitcoin domain and steal over R$91,000 in a scam

Cybercriminals took control of the bitcoin[.]org domain, the official domain of Bitcoin technology, the pioneer of cryptocurrencies, on Thursday (23) and implanted a fake statement with a classic “double your money” scheme.

By Guilherme Petry in The Hack

Renner Case: Would the DNS firewall have prevented the ransomware attack?

Renner Case: Would a DNS firewall solution have prevented the ransomware attack suffered by Lojas Renner just over a month ago?

By Kelvin Zimmer on Lumiun Blog

Ransomware declines, but remains the biggest challenge for companies

Despite a 56% decrease in attacks in 2021, hijacking viruses are causing more significant damage.

In Kaspersky Daily

Megabank with 3.8 billion leaked data exposes Clubhouse's fragility

A purported database containing personal and telephone information on approximately 3.8 billion people worldwide is for sale on a cybercriminal forum. If genuine, the mega-archive could contain personal information on more than half the world's population.

By Lucas Santana on Tilt UOL

395,000 Pix keys leaked from Sergipe bank Banese

In a statement released on Thursday night (30), Banese reported that its technical team detected "inappropriate queries" to data related to 395,009 Pix keys belonging to people who are not bank customers. These queries, according to the bank, were made after accessing two bank accounts belonging to the institution's account holders.

By Dácio Castelo Branco on Canaltech

First half of 2021 ends with simultaneous cyberattacks on more than 50 Brazilian telecommunications companies

More than 50 Brazilian telecommunications companies suffered simultaneous DDoS attacks during the first half of 2021, which represents a growth of 16.17% compared to the first half of 2020.

By Guilherme Petry in The Hack