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Daixin Team targets health organizations with ransomware, US agencies warn

Security Affairs

The Daixin Team group gains initial access to victims through virtual private network (VPN) servers. In one successful attack, the attackers likely exploited an unpatched vulnerability in the organization’s VPN server. In another compromise, the group leveraged on compromised credentials to access a legacy VPN server.

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Avoslocker ransomware gang targets US critical infrastructure

Security Affairs

The report also includes a list of mitigation measures to increase the resilience of company networks: Implement a recovery plan to maintain and retain multiple copies of sensitive or proprietary data and servers in a physically separate, segmented, and secure location (i.e., Regularly back up data, password protect backup copies offline.

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FBI warns of ransomware attacks targeting the food and agriculture sector

Security Affairs

The good news is in the latter attack the victims restored its backups. The FBI provided the following mitigations to protect against ransomware attacks: Regularly back up data, air gap, and password protect backup copies offline. Avoid reusing passwords for multiple accounts. Consider installing and using a VPN.

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QNAP users are recommended to disable UPnP port forwarding on routers

Security Affairs

” The vendor also recommends enabling the VPN server function on the user router to access QNAP NAS from the Internet. Users can also remotely connect their devices by enabling the VPN server on QNAP NAS by installing the QVPN Service app or deploying QuWAN, SD-WAN solution. Configure MFA (2-Step Verification) on QNAP NAS.

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U.S. Bookstore giant Barnes & Noble hit by cyberattack

Security Affairs

A series of messages published on Barnes & Noble’s Nook social media accounts state that it had suffered a system failure and is working to restore operations by restoring their server backups. We are continuing to experience a systems failure that is interrupting NOOK content. ” states GoodReader.

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BlackCat Ransomware gang breached over 60 orgs worldwide

Security Affairs

Below are recommended mitigations included in the alert: Review domain controllers, servers, workstations, and active directories for new or unrecognized user accounts. Regularly back up data, air gap, and password-protect backup copies offline. Only use secure networks and avoid using public Wi-Fi networks.

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New Checkmate ransomware target QNAP NAS devices

Security Affairs

Threat actors are targeting devices exposed online with the SMB service enabled, they perform brute-force attacks against accounts using weak passwords. Preliminary investigation indicates that Checkmate attacks via SMB services exposed to the internet, and employs a dictionary attack to break accounts with weak passwords.”