Cybersecurity & M&A: Data, Trust, and Consolidation Risk
This article explores the cybersecurity risks in mergers and acquisitions and provides actionable strategies for effective risk management.

David Chen
Sep 12, 2025
Understanding the Cybersecurity Landscape in M&A
In the ever-evolving digital ecosystem, mergers and acquisitions (M&A) are not immune to the increasing threat of cybersecurity risks. A striking study conducted by Deloitte in 2021 highlighted a stark reality: a staggering 60% of organizations encountered cybersecurity issues during their M&A activities. As two companies unite, they often face the daunting task of integrating disparate IT systems, which can lead to significant vulnerabilities in their cybersecurity posture.
Consider this—when technologies merge, they may not conform to identical security protocols, leaving sensitive data exposed. This interconnectedness also heightens the potential for data breaches. In fact, a recent report by IBM revealed that the average cost of a data breach surged to $4.45 million in 2023. Such figures underscore the need for organizations to prioritize cybersecurity when considering an M&A deal.
The Types of Risks Involved with Merging Systems
As organizations embark on the journey of M&A, they must acknowledge various cybersecurity risks that can arise. The process of merging systems often involves combining hardware, software, and networks that may not have been designed to operate cohesively. This scenario can lead to the creation of blind spots where attackers could exploit vulnerabilities.
Moreover, external threat actors may view M&As as lucrative opportunities to infiltrate organizations as they may perceive the integrated systems as weaker targets. Without a well-devised strategy, organizations become exposed to potential data breaches during the critical transition phases of an M&A. Alarmingly, the Ponemon Institute reported that 70% of organizations lack a formal cybersecurity strategy specifically tailored to M&A activities, highlighting a significant gap that needs addressing.
Best Practices for Secure Migrations
To mitigate these risks, businesses can adopt several best practices to ensure their cybersecurity measures are robust during M&A transactions. Comprehensive pre-merger assessments should be conducted to evaluate the cybersecurity practices of the merging organizations. This assessment can uncover potential vulnerabilities and allow for a proactive approach to managing risks.
Establishing clear cybersecurity policies that apply to the newly combined entity is essential. These policies should standardize protocols across both previous organizations, ensuring that sensitive data remains protected. Additionally, fostering a culture of cybersecurity awareness among employees is crucial. After all, the human element can often be the weakest link in the security chain. As Jeff Immelt, former CEO of General Electric, aptly noted, "In today’s digital world, everything is connected, and we need to ensure those connections are secure."
Charting the Future of Cybersecurity in M&As
While cybersecurity poses significant challenges during M&A activities, it also presents an opportunity for organizations to innovate their cybersecurity strategies. Companies can explore emerging technologies that bolster security measures, minimizing the chances of a breach. Additionally, considering the speed at which the cybersecurity threat landscape evolves, organizations must remain agile, adapting their strategies to counter new and emerging threats effectively.
As we move forward in a world where digital transactions are commonplace and cybersecurity risks grow even more pronounced, organizations need to reevaluate their preparedness for M&A activities. Are the current cybersecurity strategies adequate? Are they flexible enough to evolve alongside the rapid changes in technology and threat perceptions? These are questions that every leader should explore as they strategize for the future.
Conclusion: A Call to Action for Organizations
The dynamics of cybersecurity during mergers and acquisitions are complex but not insurmountable. Organizations must urgently address the critical need for robust cybersecurity strategies tailored to M&A scenarios. By doing so, they can not only safeguard sensitive data but also foster trust among clients and stakeholders.
Embracing a proactive approach to cybersecurity during M&As is more than just a defensive strategy; it’s an opportunity to build a resilient organization capable of navigating the challenges of the digital landscape. As we continue to forge connections in a connected world, may those connections be secure and trustworthy.
Callout: "In today’s digital world, everything is connected, and we need to ensure those connections are secure." — Jeff Immelt
Key Statistics:
60% of organizations faced cybersecurity issues during M&A activities (Deloitte, 2021)
Average cost of a data breach is $4.45 million (IBM, 2023)
70% of organizations do not have a formal cybersecurity strategy during M&A (Ponemon Institute, 2023)
IBM's Cost of a Data Breach Report 2023
Deloitte's Mergers & Acquisitions: Cybersecurity Risks and Best Practices
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