In the 116th edition of Internet Security Week , ransomware has already affected half of the companies in Brazil, malware is found in Windows event logs, flaws in Word and PDF scripts, and much more.
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Ransomware is becoming more sophisticated and has already affected half of the companies in Brazil
A total of 55% of Brazilian companies were hit by at least one ransomware attack in 2021, a figure that mirrors the global average growth in the number of attacks and serves only as an entry point to a scenario of greater sophistication and professionalization of cybercrime.
By Felipe Demartini on Canaltech
Group exposes documents stolen from high-end real estate company in São Paulo
The self-proclaimed group Matron, which on March 7th and 8th began publishing documents bearing the letterhead of Lopes Prime Real Estate. The large leak of documents apparently downloaded from the company's network or an affiliated company: 1539 image files (JPG and PDF), totaling 606 megabytes.
By Paulo Brito in CISO Advisor
The 3 most dangerous types of malware for Android
Learn about the most dangerous types of malware for Android and understand how they can affect devices with this operating system.
By Lukas Stefanko in We Live Security
Hackers are now hiding malware in Windows event logs
Security researchers have noticed a malicious campaign that used Windows event logs to store malware, a technique that had not been publicly documented previously for wildcard attacks.
By Ionut Ilascu in Bleeping Computer
Researchers find 134 flaws in how Word and PDFs work with scripts
Researchers have created a tool that detects flaws in how Microsoft Word and Adobe Acrobat process JavaScript, and it has proven so effective that it found 134 bugs, 59 of which were deemed worthy of being fixed by the vendors.
By Simon Sharwood in The Register
How to block pornography and violence websites with MikroTik?
This question is common among network administrators who use MikroTik to control internet access. After all, blocking pornography and violence websites helps prevent children from being exposed to explicit content on home networks and in schools, for example, or from wasting employees' time on corporate networks.
By Alex de Oliveira on the Lumiun Blog
Fake WHO email distributes Trojan horse undetectable by antivirus software
A new remote access Trojan horse has been identified by the security firm Proofpoint. The threat, named Nerbian RAT, has several functions, most notably the ability to evade detection by security solutions. It is distributed through fake communications from the World Health Organization.
By Dácio Castelo Branco on Canaltech
21% of corporate PCs in Brazil were at risk in 2021
Corporate PC users worldwide had an average of 15.1% chance of encountering a threat last year, while in Brazil that percentage was 21%, placing the country 39th out of 77 nations included in the 2022 Global PC Risk Report by the security company Avast.
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