Authored by Anant Deshpande, DigiCert Regional Vice President, India & ASEAN
What may appear to be a routine issue - an expired certificate - can have wider implications in modern digital environments. For Indian enterprises, certificates play a critical role in enabling identity, encryption, and trust, and failures can disrupt multiple systems and services across the ecosystem. According to a recent DigiCert global survey, 45% of organisations reported experiencing service downtime due to certificate-related incidents, with nearly 37.5% of those outages caused specifically by expired certificates.
What begins as a technical oversight can rapidly escalate into a company-wide crisis. Here’s how it unfolds:
Access breaks: users, services, and systems can’t authenticate.
Systems go dark: applications and APIs fail, disrupting business and impacting revenue.
Ecosystems stall: customers, partners, and integrations break.
Trust erodes: confidence in reliability and security drops.
Reputation takes the hit: outages become headlines, not incidents.
This is the hidden blast radius of certificate failure.
Certificates as a Trust Dependency
Certificates underpin nearly every secure digital interaction. They authenticate servers, devices, applications, APIs, workloads, and increasingly machines talking to machines. They enable TLS, mutual authentication, code signing, email security, and zero trust architectures. Despite their criticality, certificates are often managed as static assets rather than dynamic infrastructure.
As environments grow more distributed and interconnected, the number of certificates in use has exploded. Cloud-native applications, microservices, APIs, and ephemeral workloads have multiplied the number of certificates in use by orders of magnitude. At the same time, industry standards and browser policies have shortened certificate lifetimes, multiplying the management burden.
The result is a fragile equilibrium: a system that works perfectly until it doesn’t.
When “Small” Failures Go Systemic
Even minor certificate issues can trigger large-scale disruptions in digital ecosystems. For instance, the Microsoft Teams Global Outage 2023 temporarily affected enterprise collaboration services for organisations worldwide, including those in India.
Similarly, in late 2025, an expired SSL certificate disrupted Google’s Bazel build system, causing widespread build failures across development environments. What appeared to be a routine certificate lapse quickly halted software delivery workflows, illustrating how a single expired certificate can ripple through critical infrastructure and impact productivity at scale.
These incidents show how seemingly small certificate failures can cascade across systems and services, reinforcing the need for stronger certificate lifecycle management in modern enterprises.
Why the Blast Radius Keeps Growing
Several trends are increasing the risk and impact of certificate-related outages for Indian enterprises.
Shorter certificate lifecycles: Security standards are pushing for shorter certificate validity periods. While this strengthens security, it also increases the frequency of renewals and operational complexity.
Rising infrastructure complexity: Certificates are no longer limited to web servers. They now exist across cloud platforms, APIs, Kubernetes environments, DevOps pipelines, and edge systems, often managed by different teams.
Hidden dependencies: A single certificate can support multiple internal services, partner integrations, and customer-facing platforms, making failures harder to predict and contain.
Manual management practices: Many organisations still rely on spreadsheets, reminders, or scripts for certificate tracking - approaches that struggle to scale with modern PKI environments.
In such environments, even a single missed renewal can lead to significant operational disruption.
From Technical Issue to Business Event
A certificate outage becomes a crisis not because of the technical failure itself, but because of its business impact. Authentication failures can cause customer-facing downtime, API disruptions can halt digital transactions, and partner integrations can break critical workflows. For Indian enterprises operating large digital platforms—whether in banking, e-commerce, or telecom—such incidents can quickly translate into revenue loss, SLA breaches, and reputational risk, turning an IT issue into a boardroom concern.Shrinking the Blast Radius
As certificate lifecycles shorten and infrastructure grows more complex, manual tracking methods such as spreadsheets or reminders are no longer sufficient. Indian enterprises increasingly operate across multi-cloud, DevOps pipelines, APIs, and container environments, where certificates are embedded across multiple layers of infrastructure.
Reducing the risk requires a more modern approach to PKI management. Automation ensures certificates are renewed before expiration, while greater visibility helps organisations understand where certificates are deployed and what systems depend on them. Just as importantly, certificate lifecycle management needs to be treated as shared infrastructure across security, DevOps, and IT operations, rather than a niche task handled by a single team.
A Matter of Resilience
Certificate outages are not rare edge cases; they are a predictable risk in any digital system built on expiring trust credentials. As seen in incidents such as the Bazel SSL certificate outage in 2025, even a single missed renewal can disrupt essential services and development pipelines across thousands of users.
For Indian enterprises accelerating digital transformation, resilient PKI management is therefore essential. Organisations that rely on manual processes risk larger operational disruptions, while those investing in automated and scalable PKI practices can prevent small certificate issues from turning into major business disruptions.
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