industry insights

Enterprises are shifting from traditional, on‑premises PKI toward cloud-based PKI solutions as the need for scalable, flexible and cost‑efficient security grows. PKI remains essential for encrypting data, authenticating users and devices and preventing unauthorized access, but maintaining in‑house PKI is expensive, complex and resource‑intensive. Cloud PKI simplifies operations by centralizing certificate creation, management and distribution while eliminating infrastructure costs and enabling on‑demand scalability. Because cloud PKI systems are continuously updated, patched and audited, organizations benefit from strong compliance, improved cyber risk management and reduced maintenance burden. The model also supports workforce and customer flexibility through rapid certificate issuance and revocation. With predictable consumption‑based pricing and automation capabilities, cloud-based PKI strengthens security while controlling budgets. HID’s HydrantID PKIaaS enables fast deployment, automated certificate workflows and secure private PKI trust hierarchies for enterprise, IT and IoT environments.

PKI and digital certificates underpin secure communication across modern networks, enabling authentication, encryption and data integrity for users, devices and applications. This blog explains the foundational concepts behind PKI, starting with public key cryptography, which uses paired public and private keys to encrypt and decrypt information. PKI builds on this by defining the policies, technologies and processes needed to issue, manage and validate digital certificates through trusted Certificate Authorities (CAs). These certificates bind identities to public keys and are used across applications such as secure email, eCommerce and online banking. The article also clarifies key PKI terminology, including Certificate Authorities, digital certificates, qualified certificates, advanced electronic signatures and qualified electronic signatures under eIDAS. It outlines industry bodies like the CA/Browser Forum, and certificate types such as EV certificates, wildcard certificates and SAN certificates—each serving different identity assurance and domain coverage needs. With PKI’s growing role in securing digital ecosystems, organizations must understand these components to ensure strong, scalable and compliant security practices.

Digital certificates are becoming more difficult to manage as two major trends accelerate: certificate lifespans are getting significantly shorter, and the number of IoT devices requiring certificates is exploding. Some applications now require certificates as short-lived as 30 days, creating enormous operational pressure on IT teams already responsible for managing thousands of certificates across expanding device fleets. Expired certificates pose serious risks—including outages, security gaps and reputational damage—yet most organizations still rely on manual processes and spreadsheets that cannot scale. To keep pace, organizations need automated certificate lifecycle management. A centralized certificate management platform streamlines enrollment, renewal, revocation and monitoring across both public and private certificates. HID’s HydrantID Account Certificate Manager (ACM) helps eliminate manual tracking and reduces human error by automating certificate issuance through standards-based protocols like ACMEv2, SCEP, EST and Microsoft auto-enrollment. With a single portal for visibility and control, enterprises can support rapid IoT growth, maintain security and avoid costly certificate‑related outages.

Business Email Compromise (BEC) has evolved into one of the most sophisticated and costly forms of phishing, exploiting social engineering rather than technical flaws. Attackers impersonate vendors, executives or trusted service providers to redirect payments, steal credentials or gain unauthorized access. These scams impact organizations of all sizes, with recent cases involving global banks, manufacturing subsidiaries and even small community institutions. With tens of thousands of reported incidents every year and growing complexity, traditional user awareness and email hygiene are no longer sufficient defenses. To close this security gap, organizations can strengthen identity assurance by adopting PKI-based controls. HID IdenTrust TrustID certificates provide cryptographically validated digital identities for employees, enabling secure email signing, encrypted communications and authenticated access to applications and VPNs. By ensuring that emails and access requests originate from verified identities, PKI significantly reduces the risk of impersonation-driven fraud and limits the success of BEC schemes that rely on spoofing and stolen credentials.

FIDO2 is rapidly becoming a cornerstone of modern authentication strategies as organizations work to strengthen identity assurance in increasingly complex, cloud‑hybrid environments. Traditional password-based authentication remains a persistent security liability, introducing friction for users and operational burden for IT teams. FIDO2 eliminates this dependency by enabling phishing‑resistant, passwordless authentication grounded in strong public‑key cryptography. Growing adoption is driven by several factors: the ability to remove passwords entirely, improved user experience and privacy, flexible authenticator form factors, and broad support through WebAuthn’s standardization across major browsers. Momentum accelerated further when Microsoft announced FIDO2 passwordless support for hybrid Active Directory environments, enabling seamless sign‑in to both on‑prem and cloud resources and reducing reliance on legacy authentication paths. HID Global’s partnership with Microsoft strengthens this ecosystem by offering Crescendo smart cards and security keys that support FIDO2 while also enabling digital signing, encryption, and even physical access. These authenticators integrate with Azure AD and on‑prem infrastructure, providing a unified identity experience and optional centralized lifecycle management through HID Credential Management Service. Organizations should begin evaluating where password‑based workflows remain entrenched, assess readiness for hybrid FIDO2 deployments, and determine how stronger, standardized authentication can simplify user experience while advancing Zero Trust initiatives. Early adoption sets the stage for a more secure, scalable, and passwordless future.