Zero Trust: Safeguarding Healthcare in the Cloud Demands a New Cybersecurity Approach

by / ⠀News / June 30, 2023
Zero Trust: Safeguarding Healthcare in the Cloud Demands a New Cybersecurity Approach

As healthcare providers increasingly embrace cloud technology to store and manage patient data, the need for robust security measures becomes paramount. The healthcare industry is a prime target for cyber attackers, who exploit vulnerabilities in network servers, cloud configurations, endpoints, and identity management systems. These breaches result in significant financial losses and reputational damage for healthcare organizations. To combat this growing threat, healthcare providers must adopt a zero trust approach to ensure the security and privacy of patient data in the cloud. This article explores the concept of zero trust and its application in healthcare cloud security.

The healthcare industry faces a relentless wave of cyberattacks, with breaches costing organizations millions of dollars to recover. Attackers aim to steal medical records, identities, and privileged access credentials, often resorting to ransomware attacks that force healthcare providers to halt their operations. In fact, a quarter of healthcare organizations have experienced complete operational shutdowns due to ransomware attacks. These attacks highlight the urgent need for healthcare providers to go beyond traditional security measures and embrace a zero trust approach.

The healthcare industry is rapidly adopting cloud technology to enhance efficiency and accessibility. According to Forrester’s report, “The State of Cloud in Healthcare, 2023,” 88% of global healthcare decision-makers have already integrated public cloud platforms, and 59% are adopting Kubernetes for higher availability of core enterprise systems. Cloud platforms, such as Amazon Web Services, Google Cloud Platform, Microsoft Azure, and IBM Cloud, offer robust security measures that surpass the security of legacy network servers. This shift towards cloud technology sets the stage for healthcare providers to strengthen their security posture through a zero trust framework.

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Zero trust is a security framework that assumes no trust in any user or device, both inside and outside the network perimeter. It requires continuous verification of identities, strict access controls, and granular visibility into network traffic. The core principles of zero trust can be summarized as follows:

  1. Verification of Identities: Every user and device must be authenticated and authorized before accessing resources. Multi-factor authentication and strong password policies are crucial components of this principle.
  2. Least Privilege Access: Users should only be granted the minimum level of access necessary to perform their duties. This principle reduces the risk of unauthorized access and limits the potential damage caused by compromised accounts.
  3. Micro-segmentation: Network traffic should be divided into smaller segments to minimize lateral movement and contain potential breaches. This principle ensures that even if one segment is compromised, the rest of the network remains secure.
  4. Continuous Monitoring: Real-time visibility into network traffic and user behavior allows for early detection of anomalies and potential threats. This principle enables proactive incident response and reduces the impact of security breaches.

To implement zero trust in healthcare cloud security, organizations should follow a comprehensive roadmap tailored to their specific threats and challenges. The National Institute of Standards and Technology’s (NIST) National Cybersecurity Center of Excellence (NCCoE) provides a guide for federal administrators on planning for a zero trust architecture. This guide outlines the processes and risk management framework necessary for migrating to a zero trust environment.

John Kindervag and Dr. Chase Cunningham, among others, contributed to the NSTAC Draft on Zero Trust and Trusted Identity Management, which was presented to the President by the NSTAC. Their insights and perspectives are crucial in figuring out how to put zero trust architecture to use in hospitals.

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Endpoint security is a critical component of zero trust in healthcare cloud security. Legacy IoT sensors, machines, and medical devices often lack robust security measures, making them attractive targets for attackers. To address these challenges, the integration of advanced network devices, such asĀ high-performance wireless access points, is essential. These devices offer enhanced security features that align with zero trust principles, safeguarding healthcare networks from unauthorized access and potential breaches. Healthcare organizations must prioritize the security of these endpoints to prevent unauthorized access and data breaches. Regular audits of endpoint agents and access rights, along with the implementation of least privileged access policies, strengthen the zero trust framework on every endpoint.

Ransomware attacks pose a significant threat to healthcare organizations, with attackers exploiting vulnerabilities to gain unauthorized access and encrypt critical data. Zero trust plays a crucial role in mitigating the impact of ransomware attacks. By enforcing least privileged access and continuously monitoring network traffic, healthcare providers can detect and respond to ransomware incidents more effectively. Additionally, healthcare organizations should consider compromise assessments and incident response retainer services to ensure prompt and efficient incident management.

While prioritizing security is essential, healthcare organizations must also consider the user experience. Customers value frictionless interactions, but they also appreciate organizations that prioritize their security and privacy. Designing secure customer experiences with zero trust in mind not only protects patient data but also fosters trust and loyalty. Machine learning technologies can streamline user experiences while maintaining a balance between security and convenience.

The healthcare industry faces significant challenges in securing patient data in the cloud. Adopting a zero trust approach to healthcare cloud security offers a comprehensive and proactive strategy to combat cyber threats. By implementing the core principles of zero trust, healthcare organizations can strengthen their security posture, minimize the risk of breaches, and protect the privacy of patient data. Embracing zero trust is not only an investment in security but also a commitment to maintaining patient trust and confidence in the digital age.

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First Reported on Venture Beat

About The Author

Kimberly Zhang

Editor in Chief of Under30CEO. I have a passion for helping educate the next generation of leaders.

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