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# Palo Alto Networks

## Certificate Lifecycle Management

[![The Hidden Cost of PKI: Why Certificate Failures Aren’t Just an IT Problem](https://www.paloaltonetworks.com/blog/wp-content/uploads/2026/04/pki-certificate-security-digital-keys-machine-identity.webp)](https://www.paloaltonetworks.com/blog/identity-security/the-hidden-cost-of-pki-why-certificate-failures-arent-just-an-it-problem/)  
[The Hidden Cost of PKI: Why Certificate Failures Aren't Just an IT Problem
\--------------------------------------------------------------------------](https://www.paloaltonetworks.com/blog/identity-security/the-hidden-cost-of-pki-why-certificate-failures-arent-just-an-it-problem/)

For years, businesses have treated public key infrastructure (PKI) as background plumbing, quietly securing access across enterprise systems and devices and rarely drawing executive attention unless something failed.  
[Machine Identity Security](https://www.paloaltonetworks.com/blog/identity-security/category/machine-identity-security/?ts=markdown)  
Jan 21, 2026  
By [Yaarit Natan](https://www.paloaltonetworks.com/blog/author/yaarit-natan/?ts=markdown "Posts by Yaarit Natan")

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![The CA/B Forum Mandate: A Catalyst for Modernizing Machine Identity Management](https://www.paloaltonetworks.com/blog/wp-content/uploads/2026/04/post-quantum-identity-security-readiness.webp)  
[Machine Identity Security](https://www.paloaltonetworks.com/blog/identity-security/category/machine-identity-security/?ts=markdown)

## [The CA/B Forum Mandate: A Catalyst for Modernizing Machine Identity Managem...](https://www.paloaltonetworks.com/blog/identity-security/the-ca-b-forum-mandate-a-catalyst-for-modernizing-machine-identity-management/)

Modernization rarely begins without a catalyst. For organizations managing machine identities, the CA/B Forum mandate is driving a wave of change --- transforming compliance pressure...  
Dec 30, 2025  
By [Peleg Yiftachel](https://www.paloaltonetworks.com/blog/author/peleg-yiftachel/?ts=markdown "Posts by Peleg Yiftachel")  
![Secrets, Out: Why Workload Identity Is Essential for AI Agent Security](https://www.paloaltonetworks.com/blog/wp-content/uploads/2026/04/workload-identity-AI-agent-security.webp)  
[Machine Identity Security](https://www.paloaltonetworks.com/blog/identity-security/category/machine-identity-security/?ts=markdown)

## [Secrets, Out: Why Workload Identity Is Essential for AI Agent Security](https://www.paloaltonetworks.com/blog/identity-security/secrets-out-why-workload-identity-is-essential-for-ai-agent-security/)

AI agents aren't waiting in the wings anymore. They're approving payments, spinning up cloud resources, and pulling sensitive data at machine speed. Blink, and a swarm of them has...  
Oct 24, 2025  
By [Yaarit Natan](https://www.paloaltonetworks.com/blog/author/yaarit-natan/?ts=markdown "Posts by Yaarit Natan")  
![The Invisible Threat: Machine Identity Sprawl and Expired Certificates](https://www.paloaltonetworks.com/blog/wp-content/uploads/2026/04/Firefly_Abstract-digital-network-with-interconnected-nodes.webp)  
[Machine Identity Security](https://www.paloaltonetworks.com/blog/identity-security/category/machine-identity-security/?ts=markdown)

## [The Invisible Threat: Machine Identity Sprawl and Expired Certificates](https://www.paloaltonetworks.com/blog/identity-security/the-invisible-threat-machine-identity-sprawl-and-expired-certificates/)

One unmanaged machine identity---whether a TLS certificate, SSH key, code signing certificate, or API secret---that's all it takes to crash your website, halt transactions, and leave c...  
Sep 29, 2025  
By [Florin Lazurca](https://www.paloaltonetworks.com/blog/author/florin-lazurca/?ts=markdown "Posts by Florin Lazurca")  
![Why Secret Sprawl May Be Your Biggest Security Threat (and How to Help Fix It)](https://www.paloaltonetworks.com/blog/wp-content/uploads/2026/04/secret-sprawl.webp)  
[Machine Identity Security](https://www.paloaltonetworks.com/blog/identity-security/category/machine-identity-security/?ts=markdown)

## [Why Secret Sprawl May Be Your Biggest Security Threat (and How to Help Fix ...](https://www.paloaltonetworks.com/blog/identity-security/why-secret-sprawl-may-be-your-biggest-security-threat-and-how-to-help-fix-it/)

Picture this: You're having your morning coffee when your phone buzzes with the kind of alert that makes security professionals break into a cold sweat. A single API key, leaked on...  
Sep 09, 2025  
By [Uzi Ailon](https://www.paloaltonetworks.com/blog/author/uzi-ailon/?ts=markdown "Posts by Uzi Ailon")  
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