Latest cybersecurity reporting from selected sources.

A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for an extended campaign of massive DDoS attacks against other network operators in Brazil, KrebsOnSecurity has learned. The firm's chief executive says the malicious activity resulted from a security breach and was likely the work of a competitor trying to tarnish his company's public image.

Stealthy Malware Installs Cryptomining SoftwareA botnet targeting Internet of Things devices works by brute forcing credentials and downloading cryptomining software. Researchers call the botnet "PumaBot," since its malware checks for the string "Pumatronix," the name of a Brazilian manufacturer of surveillance and traffic camera systems.

Brazil, South Africa, Indonesia, Argentina, and Thailand have become the targets of a campaign that has infected Android TV devices with a botnet malware dubbed Vo1d

An updated version of a botnet malware called Prometei has infected more than 10,000 systems worldwide since November 2022