Lucy Buecking

Product Manager

lucy buecking

Image of globe with digital code on the horizon

The Role of Digital Certificates in Zero Trust Security Models

Zero Trust requires continuous verification of every user, device, application and transaction, and digital certificates are central to making that model work. Federal guidance, including Executive Order 14028 and OMB’s Zero Trust strategy, emphasizes identity as the starting point for securing assets across networks, applications, and data. PKI provides the framework to establish trusted identities at scale, allowing organizations to authenticate portals, devices and IoT endpoints using certificates issued through a recognized CA hierarchy. When every handshake is validated against a trusted certificate chain, organizations gain the visibility, automation and governance needed to support Zero Trust architectures. Digital certificates enable authenticated traffic, protect high‑value assets, and reinforce identity‑based access controls — forming a foundational layer of modern cybersecurity.
• Lucy Buecking
Zero Trust Security
Secure email icon on a computer keyboard—ideal visual for promoting SMIME certificates used in HIPAA-compliant healthcare environments. Perfect for showcasing PKI-based encryption and digital signature solutions for protecting patient data.

S/MIME Certificates Unlock Confident, Secure Email in Healthcare

Digitally signed email relies on S/MIME certificates to authenticate the sender and protect message integrity, allowing inboxes to trust the signer’s identity and validate that the email hasn’t been altered. Healthcare organizations depend on this technology to safeguard PHI, using MDM tools to distribute certificates across managed devices so users can sign and encrypt messages consistently. Secure exchanges require both parties’ certificates: senders use a recipient’s public key to encrypt messages, and recipients decrypt them with their own private key. This model ensures non‑repudiation, controlled access to sensitive data, and HIPAA‑aligned protection for clinical communication. For regulated environments needing verifiable email identity and encrypted delivery, S/MIME certificates provide essential trust.
• Lucy Buecking
SMIME
Person Typing on laptop overlayed with lock symbols and lines

Overcoming Code Signing Roadblocks: Handling Non-Exportable Private Keys

How to handle non-exportable private keys for code signing certificates.
• Lucy Buecking
Code Signing Certificates