As organizations adopt new technologies and modernize operations, cybersecurity safeguards can fall behind. Unpatched software, outdated systems, excessive user privileges, inadequate training and unauthorized tools can create unresolved weaknesses collectively known as security debt. Security debt extends beyond technical vulnerabilities. It includes gaps across people, processes and technology, such as weak governance, unsupported systems, forgotten cloud resources and poor access controls.
Security debt rarely stems from a single point of failure. It builds through postponed fixes, outdated technology and weak oversight, gradually increasing both the likelihood of a cyber incident and the cost of recovery.
Some security debt stems from deliberate trade-offs, such as delaying patches to avoid disruption, skipping code reviews to meet deadlines or postponing security improvements due to competing priorities. Other forms accumulate unintentionally as technology evolves faster than oversight can keep pace. Common examples include expired digital certificates, unused open ports, unvetted AI tools and privileged accounts that are not regularly reviewed.
Over time, unresolved weaknesses may become more difficult and costly to address, thereby expanding an organization’s attack surface. To help manage this exposure, organizations should:
- Maintain an inventory of systems, applications, devices, cloud resources and third-party connections, with particular attention to retired-but-active systems, forgotten assets and shadow IT.
- Continuously scan for vulnerabilities, apply threat intelligence to spot emerging risks, and track remediation efforts.
- Prioritize weaknesses affecting critical systems, sensitive data, essential operations or regulatory compliance.
- Replace unsupported technology where feasible, and govern security debt from the top with executive-level reporting.
- Track key metrics, such as critical vulnerabilities, the percentage of assets past end-of-life and remediation timelines.
While some security debt may be unavoidable, allowing it to accumulate can increase the likelihood, severity and cost of cyber incidents. A risk-based approach can help organizations prioritize the most significant weaknesses.
Contact us today for additional guidance on cyber risk management.
This Cyber Risks & Liabilities newsletter is not intended to be exhaustive nor should any discussion or opinions be construed as legal advice. Readers should contact legal counsel or an insurance professional for appropriate advice. © 2026 Zywave, Inc. All rights reserved.
