Teachers unable to get paychecks. Tax and customs systems paralyzed. Health officials unable to access medical records or track the spread of COVID-19. A country’s president declaring war against foreign hackers saying they want to overthrow the government. For two months now, Costa Rica has been reeling from unprecedented ransomware attacks disrupting everyday life in…

Botnets continue to be a major problem for cybersecurity teams. With the growth in sophisticated threats, botnets are becoming more malicious, sometimes able to create hundreds of thousands of drones that can attack a variety of machines, including Mac systems, Linux, Windows systems, edge devices, IoT devices, and so on. Examining threat trends around botnet…

Threat intelligence company Recorded Future reported on Tuesday that it had seen four different Chinese threat groups targeting a mail server belonging to Roshan, a major telecom provider that has more than 6.5 million subscribers across Afghanistan. The attacks were conducted by the groups known as Calypso and RedFoxtrot, as well as two different Winnti…

Zix provides cybersecurity, compliance and productivity solutions to 21,000 organizations, and cybercriminals have been leveraging the company’s reputation in a phishing campaign aimed at enterprises. Email security company Armorblox said on Tuesday that it has observed an attack on customer environments across Microsoft Exchange, Office 365 and Google Workspace. “Although the potential account exposure of…