The operators behind the Trickbot malware are deploying a new reconnaissance tool dubbed "Masrv" to exfiltrate additional data from targeted networks, according to a Kryptos Logic report. Other researchers have noticed increases in the botnet's activity over the last month.
Security researchers at Armorblox uncovered an unusual invoice-themed phishing campaign designed to extract victims' Microsoft Office 365 login credentials, alternate email addresses and phone numbers.
A newly identified Linux malware variant dubbed "Kobalos" is targeting high-performance computing clusters and supercomputers running multiple operating systems, a report by security firm ESET finds. The malicious code can also steal SSH credentials.
The mobile channel saw great user adoption in 2020 - and it saw a corresponding increase in fraud incidents. Tim Dalgleish of BioCatch discusses mobile fraud trends and the role of behavioral biometrics in enhancing user authentication.
Up to 30% of the organizations hit as part of the cyberespionage campaign waged by the hackers responsible for the SolarWinds supply chain attack did not use the company’s compromised software, says Brandon Wales, acting director of CISA. These victims were targeted in a variety of other ways, he says.
Other darknet marketplaces apparently are preparing to fill the underground economy's need for a steady stream of stolen payment card data if the Joker's Stash site closes Feb. 15 as its administrator has announced. Some researchers believe the administrator may even launch a new marketplace.
Ransomware attacks continue to pummel organizations, but fewer victims have been paying a ransom, and when they do, on average they're paying less than before, says ransomware incident response firm Coveware, which traces the decline to attackers failing to honor their data deletion promises.
The number of data breaches being reported in the U.S. and elsewhere each year continues to decline. But security experts say this unfortunately can be explained by criminals increasingly focusing on lucrative ransomware and business email compromise scams, which require scant data to be successful.
Microsoft researchers say that a North Korean hacking group that the company calls "Zinc" - which is better known as the Lazarus Group or Hidden Cobra - likely was responsible for targeting vulnerability researchers in an attempt to steal information via a backdoor.
In Britain, the National Crime Agency and the Financial Conduct Authority warn that the number of "clone firm" scams has significantly increased during the COVID-19 pandemic. Over a six-month period, these fraudulent schemes have led to more than 78 million pounds ($107 million) in losses for victims.
An APT group known as Lebanese Cedar has launched a cyberespionage campaign targeting telecommunication companies and ISPs, according to the Israeli security firm ClearSky, which says the attacks have spread beyond the Middle East to the U.S. and Europe.
The latest edition of the ISMG Security Report features an analysis of this week’s police takedowns of Emotet and Netwalker cybercrime operations. Also featured: Updates on passwordless authentication and the use of deception technology.
The operators of the Nefilim ransomware used the credentials of a deceased system administrator to plant their crypto-locking malware in about 100 vulnerable systems during one attack, according to Sophos. These types of "ghost" accounts are an increasing issue for security teams.
A multinational law enforcement operation has disrupted the Emotet botnet, gaining control of hundreds of servers and arresting multiple alleged administrators in Ukraine, Europol says. While the botnet could rebound, cybersecurity experts say the criminal operation has been dealt "a huge blow."
With ransomware continuing to fuel a massive surge in illicit profits, some experts have been calling on governments to launch offensive hacking teams to target cybercrime cartels. They're also calling for a review of cyber insurance payouts being used to fund ransoms.