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Giant health insurer struck by ransomware didn't have antivirus protection

Malwarebytes

The Philippine Health Insurance Corporation (PhilHealth), has confirmed that it was unprotected by antivirus software when it was attacked by the Medusa ransomware group in September. Stop malicious encryption. Make it harder for intruders to operate inside your organization by segmenting networks and assigning access rights prudently.

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PYSA Ransomware Attacks Targeting Healthcare, Education and Government Institutions, FBI Warns

Hot for Security

The Federal Bureau of Investigation has issued a flash alert warning of an increase in PYSA ransomware attacks targeting government entities, educational institutions, private companies and the healthcare sector in the US and the UK. Use multifactor authentication where possible. … hard drive, storage device, the cloud). and others.

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Inside Ireland’s Public Healthcare Ransomware Scare

Krebs on Security

31, 2021, the HSE’s antivirus software detected the execution of two software tools commonly used by ransomware groups — Cobalt Strike and Mimikatz — on the Patient Zero Workstation. But the antivirus software was set to monitor mode, so it did not block the malicious commands.”

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Wannacry, the hybrid malware that brought the world to its knees

Security Affairs

In the early afternoon of Friday 12 May 2017, the media broke the news of a global computer security attack carried out through a malicious code capable of encrypting data residing in information systems and demanding a ransom in cryptocurrency to restore them, the Wannacry ransomware. Cryptolocker and exploit components.

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US CISA and FBI publish joint alert on DarkSide ransomware

Security Affairs

Early this year the group announced that it will no longer attack organizations in the healthcare industry, companies involved in the development and distribution of COVID-19 vaccines, and funeral service organizations. Require multi-factor authentication for remote access to OT and IT networks. 3 ],[ 4 ]” reads the joint alert.

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Threat spotlight: DarkSide, the ransomware used in the Colonial Pipeline attack

Malwarebytes

DarkSide also has a Linux version that is capable of targeting VMWare ESXi vulnerabilities, making virtual machines (VMs) susceptible to hijacking and encryption of virtual drives. They also use their time in the network to harvest data and upload to their servers, before they encrypt the victim’s copy.

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What Is Babuk Ransomware? The New, Evolving Malware

SiteLock

At first, the Babuk group used file encryption to gain leverage over its victims but, because the ransomware wasn’t particularly advanced, they weren’t always successful. As a result of this event and other failures in the ransomware, the group announced that it would focus on data theft and extortion rather than system encryption.