A sophisticated hacking group associated with the North Korean government that's been tied to a number of high-profile attacks, including WannaCry, is using three new malware variants, according to the U.S. Department of Homeland Security's Cybersecurity and Infrastructure Security Agency.
A recently discovered cyber-espionage toolkit called Ramsay is designed to infiltrate air-gapped networks to steal documents, take screenshots and compromise other devices, according to the security firm ESET.
Hacking groups linked to China's government are targeting research and healthcare facilities that are working on developing vaccines, testing procedures and treatments for COVID-19, the FBI and the U.S. Cybersecurity and Infrastructure Security Agency warn in an alert.
Anubis, one of the most potent Android botnets, apparently is getting a refresh a year after its source code was leaked, security researchers say. The changes could help fraudsters more closely monitor activity on hacked devices.
Over the last five years, a hacking group that's apparently tied to China has been targeting government ministries in the Asia-Pacific region as part of a cyber-espionage campaign, according to Check Point Research.
Kaiji, a newly discovered botnet, is compromising Linux servers and IoT devices using brute-force methods that target the SSH protocol, according to the security firm Intezer. The botnet has the capability to launch DDoS attacks.
Authorities in the U.S. and U.K. are warning medical institutions, pharmaceutical companies, universities and others about "password-spraying campaigns" by advanced persistent threat groups seeking to steal COVID-19 research data. Security experts outline defensive steps that organizations can take.
Declaring that threats to the United States' power grid are a national emergency, President Donald Trump is taking steps designed to help defend the grid from foreign interference by focusing on the supply chain.
Many attackers continue to camp out in networks for months, conducting reconnaissance and stealing sensitive data before unleashing ransomware. Experts say many recent efforts trace to gangs wielding the RobbinHood, Valet Loader, NetWalker, PonyFinal, Maze and Sodinokibi strains of crypto-locking malware.
Two recently uncovered spear-phishing campaigns targeted oil and gas firms in the U.S., Asia and South Africa with AgentTesla, a notorious information stealer, according to Bitdefender. These campaigns appear tied to the global oil crisis.
The remote workforce, connected devices, business resiliency - these are new concepts for many midmarket organizations now coping with the COVID-19 crisis. Kristin Judge of the Cybercrime Support Network discusses cybersecurity resources available to guide small and midsized entities.
The operator of a newly discovered botnet dubbed "Dark Nexus" is offering cybercriminals access to an array of capabilities, include the ability to launch DDoS attacks on demand, according researchers at Bitdefender.
For nearly a decade, five hacking groups with apparent links to the Chinese government have targeted vulnerable Linux servers that make up the backend IT infrastructure of thousands of companies and organizations around the world, according to a research report from BlackBerry.