Chinese nationals Yunhe Wang, Jingping Liu, and Yanni Zheng have been sanctioned by the U.S. Treasury Department for operating the residential proxy service 911 S5, which was a botnet comprised of over 19 million residential IP addresses that had been used to support various cybercrime groups' COVID-19 relief scams and bomb threats, Ars Technica reports.
The reports keep coming in from across the country on how the Change Healthcare ransomware attack that first came to light on Feb. 21 has been impacting the healthcare sector.
The case has been called the most severe cyberattack on the healthcare sector in history and has had a great impact since Change Healthcare, owned by UnitedHealth Group, processes 15 billion healthcare transactions annually, affecting 1 in 3 patient records.
The gang claimed responsibility for a high-profile attack against Change Healthcare Wednesday.
Security pros say while the 12-character requirement by LastPass is a step in the right direction, teams still need to enforce multi-factor authentication and practice continuous monitoring.
The critical bug that could lead to a remote attack via voice call is one of 26 vulnerabilities affecting hundreds of Qualcomm chipsets.
Researchers speculate that Chinese authorities may be responsible for turning off one of the internet’s most prolific IoT botnets.
Help desk staff duped into resetting MFA on Okta super admin accounts, allowing threat actors to move laterally across targeted organizations.
Microsoft's OneDrive file-sharing program can be used as ransomware to encrypt most of the files on a target machine without possibility of recovery, partly because the program is inherently trusted by Windows and endpoint detection and response programs (EDRs).
Ubuntu patched the high-severity vulnerabilities on July 24 and recommends that users update their Ubuntu kernels.
The Killnet hacktivist group is actively targeting the health sector with DDoS attacks, claiming to have successfully exfiltrated data from a number of hospitals within the last month, according to a Department of Health and Human Services Cybersecurity Coordination Center alert.
CircleCI’s chief technology officer said malicious hackers infected one of their engineer’s laptops and stole elevated account privileges to breach the company’s systems and data late last year.
