Upgrade or Retrofit?

While cybersecurity is critical, physical security is equally important. A physical security breach can lead to data theft, service disruptions and reputational damage. It is not always possible to deploy brand new security systems in existing and older buildings. By taking a strategic approach, data center operators can upgrade or retrofit current systems to enhance security.

Upgrading existing facilities

When upgrading data center infrastructure, new technologies must be carefully integrated into existing systems to minimize disruptions and downtime. This integration requires a strategic approach that balances security improvements with operational efficiency.

There are four main steps data center operators can take when upgrading strategic systems upgrades at data centers:

Audit current systems. Start by identifying outdated security systems that need replacement or upgrading. These systems might include older access control systems, legacy surveillance systems or physical barriers. Regular audits also help detect vulnerabilities that emerge as facilities scale or age. An audit should include firmware reviews, system performance testing and a clear assessment of existing blind spots or security gaps.

Upgrade entry points. Once you have conducted your assessment and identified priorities for upgrade, select the appropriate solutions to fill the gaps, such as biometric turnstiles, interlocking doors or secure entrances with anti-tailgating capabilities. The right solutions will strengthen perimeter defenses while improving the flow of authorized personnel and visitors. Many data centers now also integrate entrance controls directly with video analytics and access logs for heightened visibility and protection.

Phase upgrades. Approach security improvements in stages, beginning with the perimeter and moving inward. Using a layered deployment model allows each phase to be validated before moving to the next, maintaining uptime and minimizing operational disruptions. Phased implementations also ensure alignment with budget cycles, ongoing stakeholder feedback and measurable return on investment.

Ensure compliance. Ensure all upgrades meet industry standards and regulations, like the Americans with Disabilities Act accessibility requirements. Develop a plan approved by the IT, security and facility management teams to ensure all systems work together to achieve compliance, while maintaining the required documentation for audits and certifications.

A well-planned upgrade can improve security and operational efficiency while extending the lifespan of existing systems. Using existing wiring, readers and cabling where possible, facilities can reduce waste and capital expenditures. When executed strategically, an upgrade delivers stronger protection while positioning data centers for scalable, future-ready performance.

Retrofitting older data centers

Retrofitting is often necessary for older facilities to modernize security. This process can be more complex than new builds or upgrades, but it is essential for securing outdated infrastructure, especially when space for expansion is limited.

There are five main facets of retrofitting that data center operators should keep in mind:

Structural adjustments. Reinforce entryways with modern security technologies, such as revolving doors or optical turnstiles. Older data centers may require releveling floors or rerouting conduits to ensure smooth installation and system reliability. Using prefabricated mounting platforms and above-grade electrical or access control wiring can make this process smoother.

Custom solutions. Use retrofit-friendly technologies such as compact biometric scanners or modular doors that can be integrated without major structural work. These components are ideal for adapting and easily expanding in constrained spaces or legacy architecture.

System integration. Ensure compatibility and integration of new security solutions with existing systems to maintain functionality. This hybrid approach helps extend the value of previous investments while updating to advanced features like automated reporting and multifactor authentication. By using a mix of old and new technology, data centers achieve better system functionality, often with a better total cost of ownership.

Structural compatibility. Older facilities often have unique physical challenges, from uneven flooring to restrictive doorways or space restrictions. Addressing these issues early on through precise site assessments, data centers can use solutions like prefabricated mounting platforms and retrofit-compatible door assemblies to ensure a solid installation and long-term performance.

Security culture. Use this opportunity to train staff to understand and follow new security protocols and strengthen awareness. Regular training sessions, communication from leadership and clear processes will help to build a security-first mindset.

While retrofitting often presents more challenges than building from scratch, it allows organizations to adapt their facilities to meet modern security needs without undertaking costly or prohibitive large-scale construction projects.

Achieving data center resilience

In a world where digital and physical threats overlap, protecting data centers requires a comprehensive and strategic approach to security. Investing in a layered approach that is tailored for upgrades or retrofits helps ensure data centers maintain security, compliance and resilience.

Physical security upgrades and retrofits are not simply about protecting assets and people. They also help enhance data center infrastructure, supporting business continuity and customer trust.