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Cybersecurity Risks for Healthcare Systems: Insights from R1’s Deputy CISO

May 8, 2025

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Protect patient data, mitigate risk and strengthen security in our digital world.

The healthcare industry, tasked with safeguarding vast amounts of sensitive patient information, faces an evolving landscape of cybersecurity threats. As technology advances, the risks to operational continuity, patient safety and organizational reputation grow exponentially.

Attacks on patient data are increasing in both frequency and sophistication. A Microsoft Threat Intelligence report found that healthcare organizations are an “increasingly attractive target” for attacks.

As a result, cybersecurity for healthcare providers is not just a technical necessity. It’s a critical component for delivering effective and trustworthy healthcare services—without interruptions or data breaches.

The Intersection of Revenue Cycle Management and Cybersecurity

Revenue cycle management (RCM) and cybersecurity are becoming more interconnected. RCM systems process vast amounts of sensitive healthcare data, including billing information. This data flows through connected systems, creating a complex web of touchpoints that cybercriminals can exploit.

This connectivity means that a breach or outage in one area of the industry can impact multiple providers. That’s because systems, processes and data platforms are often intricately linked across healthcare organizations, creating ripple effects throughout the ecosystem if a breach occurs.

For example, a single ransomware breach can disrupt claims processing for numerous health systems. Even organizations not directly connected to the breached facility can experience the impact, such as delays in reimbursements or operational challenges due to a reliance on shared clearinghouses and interconnected networks. The far-reaching consequences of vulnerabilities underscore the need for robust, system-wide cybersecurity measures.

Ransomware: The Most Prevalent Threat in Healthcare

Ransomware attacks are one of the biggest cyber threats to healthcare organizations. These attacks infiltrate systems, often remaining undetected for months before the criminals behind them lock critical data and demand a ransom for its release.

Healthcare systems are targeted for several reasons:

  • Highly sensitive information. The critical nature of healthcare data, including patient data, pressures organizations to pay ransoms to quickly restore access.
  • Financial incentives. Healthcare organizations are often well funded and may be more willing than other sectors to pay the ransom to avoid operational disruptions.
  • System vulnerability. Many healthcare systems are vulnerable to attacks, making them easy targets.

In one high-profile case in 2024, an attack on a healthcare organization resulted in a $22 million ransom payment. The attackers retained stolen data, highlighting the severity of these types of incidents.

Ransomware is certainly not the only significant threat. Denial-of-service (DoS) attacks overwhelm systems with traffic. In a healthcare setting, these attacks can disable critical equipment or prevent access to patient records, potentially endangering lives or delaying care.

Implementing cyber security solutions is a critical first step in protecting facilities, yet outdated devices and systems are often overlooked in security assessments, creating easy entry points for attackers. Modern systems and platforms are needed to support the latest security approaches. Otherwise, a cyberattack exploiting old radiology equipment running Windows 7, for example, would put a facility at greater risk than if it was running up-to-date equipment.

Strategies for Mitigating Cybersecurity Risks

Effective cybersecurity begins with understanding a facility’s risk profile. This entails determining what needs to be protected—and from whom. Identifying sensitive assets such as patient data and assessing potential threats helps prioritize security measures.

Traditional perimeter-focused security is no longer sufficient.

Organizations must embrace integrated approaches and comprehensive strategies that include:

  • Identity and access management (IAM). Implement role-based access controls and enforce minimum privileges.
  • Continuous monitoring. Deploy advanced tools to detect anomalies and respond in real-time.
  • Proactive patching. Regularly update operating systems and third-party applications to close vulnerabilities.

The faster organizations can detect and respond to an anomaly, the less chance it becomes a serious event down the road. That’s why healthcare organizations need to prioritize the ability to detect and respond in an incredibly fast timeframe.

The Role of AI in Cybersecurity

Artificial intelligence (AI) is a double-edged sword in cybersecurity. On the defensive side, AI enhances threat detection by analyzing vast data sets and identifying patterns indicative of an attack. For example, AI-driven systems can flag unusual login behaviors or unauthorized data access in real time.

The downside is that AI empowers attackers to execute faster, more sophisticated campaigns. Cybercriminals can leverage AI to automate phishing attempts or exploit system vulnerabilities with unprecedented precision. To counteract these risks, healthcare organizations must integrate AI into their cybersecurity strategies while staying vigilant about its misuse.

Because many healthcare providers partner with third-party vendors, assessing their cybersecurity posture becomes paramount.

Key criteria for evaluating vendors includes:

  • Data handling practices. Vendors should demonstrate strong security controls with a third-party certification such as SOC2 type 2 or HiTrust.
  • Continuity plans. Evaluate how vendors manage unexpected operational failures to ensure uninterrupted services.
  • Transparent communications. Vendor security teams should provide critical insights into their practices.

Establishing personal relationships is critical and can reveal how the company operates. Healthcare providers should ask for proof that security vendors actually do what they say—the trust but verify method is needed.

Applying Lessons Learned for Ongoing Protection

The shift from perimeter-focused security to comprehensive strategies highlights the need for layered defenses. This evolution is a strategic move to integrated solutions that prioritize IAM, continuous monitoring and rapid incident response.

Looking ahead, AI will continue to shape cybersecurity. While AI-driven tools promise enhanced protection, adversaries will also exploit their capabilities. Staying ahead requires proactive investment in AI technologies, workforce training and adaptive strategies to counter emerging threats.

Go Beyond Protecting Data

Cybersecurity is no longer only about protecting data. It encompasses preserving patient trust and ensuring operational continuity to help safeguard lives. By understanding the unique risks associated with interconnected systems, adopting comprehensive security measures, leveraging AI and maintaining stringent vendor evaluations, healthcare organizations can mitigate security challenges in an increasingly digital world.

The stakes are high, but with a comprehensive approach, healthcare providers can reduce risks and maintain the integrity of their services in the face of evolving cyber threats.

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