Why Health System Size Matters for AI Security
The healthcare industry’s embrace of artificial intelligence has reached a critical inflection point. As AI tools proliferate across clinical workflows—from diagnostic imaging to patient triage—a new survey from Wolters Kluwer Health reveals a troubling pattern: larger health systems are experiencing disproportionately higher concerns about AI-related privacy and security risks. This isn’t merely a matter of organizational anxiety; it reflects the fundamental complexity of governing AI at scale in environments where patient data protection is both a legal mandate and an ethical imperative.
The research, which surveyed over 1,200 healthcare IT professionals, found that 78% of respondents from large health systems with 500 or more beds rated AI privacy concerns as ‘very significant,’ compared to just 54% at smaller facilities. More striking still, organizations with over 1,000 beds were three times more likely to have established dedicated AI governance committees. This disparity suggests that as health systems expand their AI implementations across multiple departments, facilities, and patient touchpoints, the attack surface for potential vulnerabilities expands exponentially—and institutional awareness follows accordingly.
But perhaps the most concerning finding isn’t about what health systems are doing with AI; it’s about what they don’t know is happening. Approximately one in five healthcare workers now admits to using unauthorized AI tools in clinical workflows—a phenomenon researchers have termed ‘shadow AI.’ This parallel infrastructure of ungoverned algorithms poses profound risks to patient privacy, clinical safety, and regulatory compliance.
The Shadow AI Problem: When Innovation Outpaces Governance
Shadow AI represents a unique challenge in healthcare technology governance. Unlike traditional shadow IT, where employees might use unauthorized productivity software, shadow AI in clinical settings can directly impact patient care decisions. Healthcare workers are turning to publicly available large language models, diagnostic assistance tools, and clinical decision support systems without institutional vetting—often with the best intentions of improving efficiency or accessing cutting-edge capabilities.
The drivers behind this behavior are complex. Clinicians face mounting administrative burdens, increasing patient volumes, and pressure to deliver faster, more accurate care. When approved institutional tools feel inadequate or cumbersome, the temptation to seek alternatives becomes overwhelming. Consumer-grade AI tools promise immediate relief: faster documentation, quick clinical references, or preliminary diagnostic suggestions. But these unauthorized tools frequently lack the security architecture, HIPAA compliance frameworks, and clinical validation necessary for healthcare environments.
Shadow AI isn’t simply a compliance issue—it represents a fundamental disconnect between clinical needs and institutional AI strategy. When one in five healthcare workers circumvent official channels, it signals that governance frameworks are failing to keep pace with frontline demands.
Large health systems face particular vulnerability to shadow AI proliferation. Their complex IT environments, distributed workforce, and multiple care locations make comprehensive monitoring extraordinarily difficult. A physician at one facility might use an unauthorized AI tool for months before IT security teams at the central organization become aware. Meanwhile, patient data may have already been processed through external servers, potentially violating privacy regulations and exposing the organization to significant legal and reputational risk.
Size, Complexity, and the Governance Gap
The correlation between health system size and AI security concerns reflects more than just organizational paranoia—it reveals genuine structural challenges. Larger systems must coordinate AI governance across diverse departments, each with distinct workflows, data requirements, and risk profiles. A radiology department’s AI needs differ dramatically from those in emergency medicine or population health management, yet all must operate within consistent privacy and security frameworks.
The Wolters Kluwer research found that 82% of large system respondents have implemented or are developing AI-specific security protocols, compared to only 41% of smaller facilities. This gap might initially suggest that larger organizations are better prepared, but the data tells a more nuanced story. Large systems aren’t necessarily more secure—they’re more aware of their vulnerabilities and more likely to have dedicated resources for addressing them.
Smaller facilities, meanwhile, face different challenges. With limited IT staff and budgets, they may lack the capacity to develop comprehensive AI governance frameworks even as they adopt AI tools. This creates a concerning scenario where smaller health systems deploy AI with insufficient oversight, potentially unaware of the risks they’re accumulating.
The governance divide between large and small health systems isn’t just about resources—it’s about visibility. Larger organizations can see the scope of their AI challenge; smaller facilities may be operating with dangerous blind spots about their actual AI footprint.
Building Effective AI Governance in Healthcare
Addressing the shadow AI crisis requires a fundamental shift in how health systems approach AI governance. Prohibition alone won’t work; healthcare workers will continue seeking tools that help them deliver better care. Instead, organizations need strategies that balance innovation enablement with appropriate risk management.
First, health systems must develop clear, accessible AI governance policies that define acceptable use cases, approved tools, and processes for requesting new AI capabilities. These policies should be created with clinical input, ensuring they reflect actual workflow needs rather than purely IT security perspectives. When clinicians understand the rationale behind governance requirements—particularly regarding patient privacy and clinical validation—compliance improves.
Second, organizations should provide approved AI alternatives that genuinely meet clinical needs. If shadow AI emerges because official tools are inadequate, the solution isn’t stricter enforcement but better offerings. Health systems should actively solicit feedback about where AI could improve workflows, then prioritize deployment of validated, secure tools in those areas.
Third, implementing monitoring systems to detect unauthorized AI usage is essential, but must be balanced with privacy and trust considerations. Network monitoring, data flow analysis, and usage pattern detection can identify potential shadow AI without creating oppressive surveillance environments. The goal is visibility, not punishment.
Finally, education plays a critical role. Many healthcare workers may not fully understand the privacy implications of using external AI tools with patient data. Regular training on AI governance, data security, and the specific risks of unauthorized tools can reduce shadow AI adoption while building a culture of responsible innovation.
Implications for Healthcare Workforce and Recruitment
The AI governance challenge has significant implications for healthcare workforce development and recruitment. As organizations build AI governance frameworks, they need professionals who understand both the technical dimensions of AI security and the clinical realities of healthcare delivery. This creates growing demand for hybrid roles: AI governance specialists, clinical informatics professionals, and health IT leaders who can bridge the gap between innovation and compliance.
For platforms like PhysEmp, which connects healthcare organizations with qualified professionals, the shadow AI phenomenon underscores the importance of matching institutions with candidates who possess not just technical skills but also change management capabilities. Successfully governing AI in healthcare requires professionals who can engage clinicians, understand their needs, and build governance frameworks that enable rather than obstruct innovation.
The organizations that will thrive in the AI era aren’t necessarily those with the most restrictive policies, but those that create environments where approved AI tools meet clinical needs so effectively that shadow alternatives become unnecessary. This requires investment in both technology and talent—governance committees, dedicated AI security personnel, clinical informatics specialists, and ongoing training programs.
As the Wolters Kluwer research makes clear, the AI governance challenge scales with organizational size but affects all health systems. Whether managing 50 beds or 5,000, healthcare leaders must recognize that AI governance isn’t a one-time implementation project but an ongoing organizational capability. The shadow AI crisis reveals that many organizations haven’t yet built that capability—but the patient privacy and clinical safety stakes demand they do so quickly.
Sources
Large health systems more concerned about AI privacy risks, survey finds – Becker’s Hospital Review
Health system size impacts AI privacy and security concerns – Wolters Kluwer
The Shadow AI Crisis: Why 1 in 5 Healthcare Workers Are Going Rogue with Algorithms – HIT Consultant




