security

Enterprises are increasingly moving from traditional on‑prem PKI to PKI‑as‑a‑Service as hybrid environments, cloud expansion and regulatory requirements outgrow the capabilities of legacy infrastructures. PKIaaS eliminates hardware and operational overhead while providing cloud‑native automation, scalable certificate issuance, centralized policy enforcement and strong integration across hybrid and multi‑cloud systems. HID’s PKIaaS enhances uptime by reducing certificate‑related incidents, improves efficiency through automated lifecycle management, strengthens Zero Trust architectures, and supports compliance frameworks like GDPR and ISO 27001. With API‑driven orchestration, flexible protocols and hardened global infrastructure, HID’s approach modernizes PKI beyond simple cloud hosting, offering a full platform for secure identity enablement and future‑proof certificate management.

Autonomous AI agents are rapidly becoming part of enterprise workflows, shifting the core challenge of digital transformation from capability to trust. As agents begin making decisions, interacting with systems and executing tasks independently, enterprises must verify not only who an agent is, but what it is authorized to do and under whose authority it operates. Traditional IAM and PKI models are not equipped for this shift, prompting the emergence of new standards such as the Agent Name Service (ANS), which provides a global, PKI-backed identity and capability directory for AI agents. AI agents introduce dynamic, fast-changing identity lifecycles, cross‑ecosystem interactions and authorization needs that require cryptographic integrity and lifecycle governance. Early data from the HID PKI Market Study shows that certificates for AI agents are becoming a major driver of PKI modernization — outpacing even post‑quantum planning. Without strong identity controls, enterprises face new risks including impersonation, registry poisoning and large-scale Sybil attacks. Standards like ANS aim to mitigate these threats by establishing verifiable identity, provenance and authority for every agent. As organizations increasingly rely on autonomous systems, extending PKI, Zero Trust and IAM frameworks to cover non‑human identities is essential for securing the next generation of digital operations.

Enterprises rely heavily on PKI to secure users, devices and applications, yet most organizations struggle to manage tens of thousands of certificates with limited staff, fragmented tools and unclear ownership. Cloud-based PKI-as-a-Service (PKIaaS) eliminates this complexity by replacing manual, spreadsheet-driven processes with automated certificate provisioning, renewal and governance. Managed PKI reduces hidden operational costs, addresses specialized skill gaps and provides predictable pricing without the need for new infrastructure. PKIaaS also offers flexible automation models — including agent-based, agentless and connector approaches — enabling organizations to tailor certificate workflows to their environment while maintaining strong encryption and Zero Trust alignment. Because PKI is foundational to identity and access management, outsourcing it to a managed service accelerates deployment, improves scalability and minimizes certificate-related outages. With native integrations into Microsoft ecosystems and cloud-based administration tools, organizations can migrate from on-prem PKI in days while enhancing control and reliability.

Google Chrome’s decision to stop trusting new Entrust-issued TLS/SSL certificates after October 31, 2024, highlights the importance of proactive certificate management and crypto-agility. While existing Entrust certificates remain trusted until they expire, organizations relying on Entrust or AffirmTrust certificates must identify affected assets and begin planning migrations to avoid browser security warnings, loss of user trust and potential impacts to website traffic. As with previous CA distrust events, organizations that delay preparation risk unnecessary disruption and operational challenges. To ensure a smooth transition, enterprises should audit their certificate inventory, prioritize affected certificates, select a trusted replacement Certificate Authority and develop a structured migration plan. The situation also reinforces the need for diversified PKI strategies that reduce dependence on a single CA and support long-term resilience. Automated certificate management solutions, including ACME and API-driven provisioning, can help streamline replacement efforts, improve scalability and strengthen overall certificate lifecycle governance.

Firewalls alone can’t protect today’s IoT environments, where weak or broken access controls have become a leading risk. As connected devices proliferate across healthcare, buildings, manufacturing and critical infrastructure, organizations need stronger, identity‑centric controls that align with frameworks like the NIST Risk Management Framework (RMF). Public Key Infrastructure (PKI) provides a powerful compensating control by assigning each device a cryptographic identity, enabling mutual authentication, encrypting data in transit and preventing unauthorized access. PKI supports RMF requirements by reducing the likelihood and impact of attacks on vulnerable IoT endpoints, increasing visibility into trusted devices and improving lifecycle governance. Cloud‑based PKIaaS enhances these protections through automated certificate discovery, issuance, renewal and revocation at scale, while offering a unified management console and flexible certificate hierarchies. Publicly trusted Certificate Authorities like IdenTrust further strengthen external‑facing device security by providing OV and EV certificates that meet rigorous industry standards and deliver broad interoperability. By combining PKIaaS, publicly trusted certificates and established device‑management practices, organizations can better secure IoT ecosystems, maintain compliance and adapt as cryptographic requirements evolve.

Many organizations tolerate poor service, unpredictable pricing and operational headaches from their PKI providers, even though PKI is critical to securing modern networks. Hidden costs, sudden price hikes, unreliable support, restrictive contracts and overly complex automation tools create unnecessary friction and risk — especially as certificate volumes continue to climb. These issues often force IT teams to overspend, scramble for emergency approvals or cope with certificate outages that derail security operations. Cloud-based PKI-as-a-Service (PKIaaS) eliminates these pain points by offering transparent pricing, expert support, flexible automation models and seamless migration from on-prem systems. With native integrations such as Microsoft Autoenrollment and AD CS, organizations can consolidate certificate management into a single cloud platform while retaining control of private keys. Instead of managing infrastructure and reacting to provider shortcomings, teams can rely on predictable costs, reliable service and scalable automation. The message is clear: enterprises don’t have to settle for rigid contracts or disappointing service — modern PKIaaS delivers a simpler, more respectful and more secure approach.