Page 266 - Cyber Defense eMagazine RSAC Special Edition 2025

Another critical element is network segmentation. Implementing a firewalled demilitarized zone (DMZ)
isolates different parts of an IT environment, making it harder for external threats to penetrate core
systems. If an attack compromises one section, segmentation prevents it from spreading across the
entire network. This containment strategy ensures that repairs remain localized and manageable.

Additionally, businesses should establish clear IT security policies. These guidelines provide teams
with a structured approach to cybersecurity, reducing the risk of breaches caused by human error or
inconsistent security practices. If your company operates on-premises infrastructure, disaster recovery
protocols should also account for physical risks such as hardware failures and environmental risks.

Why proactivity matters

Creating a disaster recovery plan is only the first step—regular testing and monitoring are crucial to
ensuring its effectiveness. Simulating cyber incidents and assessing post-incident procedures help
businesses identify weaknesses before real issues emerge. In cybersecurity, proactivity is always more
cost-effective than reactivity.

A well-implemented disaster recovery strategy enables businesses to remain operational even when
potential cyber threats arise. This not only saves time and resources but also maintains customer trust
and satisfaction.
As organizations continue to expand their reliance on cloud and on-premises infrastructure, ongoing
vigilance is key. By continuously monitoring and refining disaster recovery strategies, businesses can
ensure long-term resilience and operational stability in an increasingly digital world.

About the Author

Howard Simpson is the CTO of CENTREL Solutions, where he has led
innovation in IT documentation and automation since 2016. With
expertise in technical architecture and software standards, he helps
enterprises, MSPs, and public sector organizations enhance efficiency
and security. Howard can be reached online on LinkedIn and through the
CENTREL Solutions website https://www.centrel-solutions.com/

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