The Cyber Defense eMagazine August Edition for 2023

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Achieving Optimal Zero Trust Maturity: The Role of Data and Governance By Carolyn Duby, Chief Technology Officer, Cloudera Government Solutions The federal government has placed a stronger emphasis on zero trust since OMB’s federal zero trust strategy memo from the beginning of 2022, requiring agencies to have a security model in place that assumes every device, application, or user attempting to access a network cannot be trusted. Most recently, the Cybersecurity and Infrastructure Security Agency (CISA) issued a second version of its Zero Trust Maturity Model (ZTMM 2.0), which provides a roadmap to guide agencies to a zero trust model by 2024. The ZTMM is a combination of five pillars: identity, devices, networks, applications and workloads, and data. It also addresses four levels of maturity, providing useful information for agencies regardless of their location on the zero trust journey (traditional, initial, advanced, optimal). With the impending deadline, the Department of Defense is feeling the pressure and making strides toward implementing the ZTMM to reach the “optimal” stage of maturity. DOD’s approach to a zero trust strategy will equip the Department with the guidelines to instill the “never trust, always verify” mindset, along with a map of how to implement the zero trust strategy across all components of the agency, including capabilities, technologies, solutions, and processes. Cyber Defense eMagazine – August 2023 Edition 32 Copyright © 2023, Cyber Defense Magazine. All rights reserved worldwide.
While making this progress, agencies must understand the impact a successful zero trust process can have on data and the future of government decision-making. There are also key strategies and data governance policies that agencies can implement to abide by the CISA guidelines and find achievable solutions for a zero trust future. How Agencies Can Safeguard Their Data The updated ZTMM from CISA claims that agency data should be protected on devices, in applications, and on networks in accordance with federal requirements, and that agencies should inventory, categorize, and label data; protect data at rest and in transit; and deploy mechanisms to detect and stop data exfiltration. Zero trust is all about enhancing your security posture. The balancing act of security and accessibility is possible through platforms that can operate independently from compute and storage layers which offer integrated security and governance based on metadata. The ideal zero trust approach will contain a data security platform capable of contextualizing across analytics and cloud environments while simplifying data delivery and access with a unified multi-tenant model. Ultimately, the approach of utilizing a secure platform to assist with zero trust will result in reduced cybersecurity risk and operational costs, all while allowing faster deployment of governed and secured data lakes for broader responsibly safeguarded data access. Role of Data in the Zero Trust Journey With data as one of the five main pillars of the ZTMM, it is critical that DOD moves to optimal maturity to properly secure our nation’s data and privacy. The DOD has already shared various plans and guidelines that focus heavily on data protection and management, so movement to an optimal zero trust position greatly aligns. Therefore, implementing the ZTMM will eliminate unauthorized access by bad actors and safeguard data from non-trusted sources. This is essential as data continues to play a key role in the federal government’s mission-critical operations. The optimal maturity of zero trust will better position defense agencies to protect their essential data, ranging from citizen services to military intelligence; all government data will be protected and safeguarded. Proper Governance Supports the Trek to Optimal Governance is a need as CISA also stated that agencies should carefully craft and review data governance policies to ensure all data lifecycle security aspects are appropriately enforced across the enterprise. When you have proper governance with zero trust, it frees up the data so you can share it effectively within the organization. The data is protected and highly accessible by the team members who need it most. Cyber Defense eMagazine – August 2023 Edition 33 Copyright © 2023, Cyber Defense Magazine. All rights reserved worldwide.
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