Internet Security Week - Edition Nº 84

In edition no. 84 of Internet Security Week , new malware on Android, Brazilian corporate websites at risk, could Renner have been prevented? and much more.

News

New Android malware steals millions after infecting 10 million phones

A large-scale malware campaign has 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 in Bleeping Computer

98% of Brazilian corporate websites are at risk of cyberattacks

A study by PSafe, a specialist in digital security, identified that 98% of 2,400 Brazilian corporate websites analyzed have a medium risk of suffering a cyberattack. The assessment of national pages was carried out using dfndr enterprise, which detects threats and security breaches with artificial intelligence.

By Roseli Andrion on FreeGameGuide

Cybercriminals invade official Bitcoin domain and steal more than R$91,000 in scam

Cybercriminals took control of the bitcoin[.]org domain, the official domain of Bitcoin technology, the pioneer of cryptocurrencies, on Thursday (23) and deployed a false 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 falls, but is still the biggest challenge for companies

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

In Kaspersky Daily

Megabank with 3.8 billion leaked data exposes Clubhouse’s fragility

A supposed database with personal and telephone information of approximately 3.8 billion people around the world is for sale on a cybercriminal forum. If true, the mega file could contain personal information from more than half of the world's population.

By Lucas Santana on Tilt UOL

395 thousand Pix keys were leaked from the Sergipe bank Banese

In a statement released on Thursday night (30), Banese reported that its technical team detected “improper queries” to data related to 395,009 Pix keys from people who are not bank customers. These consultations, according to the bank, took place through access to two bank accounts belonging to the institution's account holders.

By Dácio Castelo Branco on Canaltech

First half of 2021 closes 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