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A new wave of Qlocker ransomware attacks targets QNAP NAS devices

Security Affairs

The ransomware known as Qlocker exploits CVE-2021-28799 to attack QNAP NAS running certain versions of HBS 3 (Hybrid Backup Sync).” reads the security advisory published by the vendor. Then it also deletes snapshots to prevent restoring of data from the backups and drops a ransom note (named !!!READ_ME.txt)

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CISA, FBI shared a joint advisory to warn of Zeppelin ransomware attacks

Security Affairs

The US Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) have published a joint advisory to warn of Zeppelin ransomware attacks.

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FBI and CISA are warning of APT actors targeting Fortinet FortiOS servers

Security Affairs

The threat actors are actively exploiting the following vulnerabilities in Fortinet FortiOS: CVE-2018-13379 ; CVE-2020-12812 ; CVE-2019-5591. The joint alert also states that attackers scanning also enumerated devices for the CVE-2020-12812 and CVE-2019-5591 flaws. Implement network segmentation. Disable hyperlinks in received emails.

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CISA warns of critical flaws in Prima FlexAir access control system

Security Affairs

The list of flaws includes OS Command Injection, Unrestricted Upload of File with Dangerous Type, Cross-site Request Forgery, Small Space of Random Values, Cross-site Scripting, Exposure of Backup file to Unauthorized Control Sphere, Improper Authentication, and Use of Hard-coded Credentials. “Prima Systems FlexAir, Versions 2.3.38

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Three more ransomware attacks hit Water and Wastewater systems in 2021

Security Affairs

RDP accesses); Exploitation of vulnerabilities affecting control systems running vulnerable firmware versions. The ransomware affected the victim’s SCADA system and backup systems. The treatment system was run manually until the SCADA computer was restored using local control and more frequent operator rounds.

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Threat spotlight: Conti, the ransomware used in the HSE healthcare attack

Malwarebytes

The first is Ransom.Sodinokibi , which Malwarebytes has already profiled and has been detecting since 2019.). Below is a list of recommended mitigations from the FBI, which it issued along with an alert on Conti ransomware late last week: Regularly back up data, air gap, and password protect backup copies offline.

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The Biggest Lessons about Vulnerabilities at RSAC 2021

eSecurity Planet

Nickels suggests organizations follow this guidance: Also Read: How Zero Trust Security Can Protect Against Ransomware. Prevent Rely solely on offline backups Disallow unnecessary file sharing. From BIOS and firmware to UEFI code, VBOS is an attack vector that requires more attention. Old way New way. Current Target: VBOS.