Ryuk – Network Securitas

November 19, 2019

Ransomware Bites 400 Veterinary Hospitals

This post was originally published on this siteNational Veterinary Associates (NVA), a California company that owns more than 700 animal care facilities around the globe, is still working to recover from a ransomware attack late last month that affected more than half of those properties, separating many veterinary practices from their patient records, payment systems and practice management software. NVA says it expects to have all facilities fully back up and running normally within the next week. Agoura Hills, Calif.-based NVA bills itself as is the largest private owner of freestanding veterinary hospitals in the United States. The company’s Web […]

January 6, 2020

The Hidden Cost of Ransomware: Wholesale Password Theft

This post was originally published on this siteOrganizations in the throes of cleaning up after a ransomware outbreak typically will change passwords for all user accounts that have access to any email systems, servers and desktop workstations within their network. But all too often, ransomware victims fail to grasp that the crooks behind these attacks can and frequently do siphon every single password stored on each infected endpoint. The result of this oversight may offer attackers a way back into the affected organization, access to financial and healthcare accounts, or — worse yet — key tools for attacking the victim’s […]

October 2, 2020

Attacks Aimed at Disrupting the Trickbot Botnet

This post was originally published on this siteOver the past 10 days, someone has been launching a series of coordinated attacks designed to disrupt Trickbot, an enormous collection of more than two million malware-infected Windows PCs that are constantly being harvested for financial data and are often used as the entry point for deploying ransomware within compromised organizations. A text snippet from one of the bogus Trickbot configuration updates. Source: Intel 471 On Sept. 22, someone pushed out a new configuration file to Windows computers currently infected with Trickbot. The crooks running the Trickbot botnet typically use these config files […]

October 28, 2020

FBI, DHS, HHS Warn of Imminent, Credible Ransomware Threat Against U.S. Hospitals

This post was originally published on this siteOn Monday, Oct. 27, KrebsOnSecurity began following up on a tip from a reliable source that an aggressive Russian cybercriminal gang known for deploying ransomware was preparing to disrupt information technology systems at hundreds of hospitals, clinics and medical care facilities across the United States. Today, officials from the FBI and the U.S. Department of Homeland Security hastily assembled a conference call with healthcare industry executives warning about an “imminent cybercrime threat to U.S. hospitals and healthcare providers.” The agencies on the conference call, which included the U.S. Department of Health and Human […]