Entrust Blog

From Process to Outcomes: Governing the Agentic Enterprise

Featured

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Jun 2026

Where Identity Breaks Down Across the Employee Lifecycle

Identity Verification

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May 2026

AI Agent Authorization: Why Accountable Delegation is Central to Your Trust Fabric

Identity Thread

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May 2026

Agentic AI Identity Security: Why Delegated Authority Raises Risk

Identity Thread

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May 2026

Rethinking Certificate Management: Why the 47-Day Mandate Is a Wake-Up Call

Public Key Infrastructure (PKI)

Apple Changes S/MIME Certificate Validity Period to 1185-Days

In November 2021, we posted that Apple set the validity period of S/MIME certificates to 825 days. On February 1, 2022, Apple released a policy update that changes the S/MIME certificate validity period to 1185 days. This is just short of 39 months and allows certification authorities (CAs) to conti...

TLS/SSL Certificates |

Bruce Morton

Feb 2022

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2022 – Looking Back, Moving Forward with TLS

Looking back at 2021 In 2021, HTTPS was everywhere and use of the TLS 1.3 protocol continued to grow. With this growth, we continue to see the industry evolve − the Certificate Authority Security Council (CASC) was reborn as the PKI Consortium; there are new certificate transparency (CT) policies; ...

TLS/SSL Certificates |

Bruce Morton

Jan 2022

New Requirement Will Deprecate the Organization Unit (OU) Field in TLS Certificates

In June 2021, the CA/Browser Forum passed ballot SC47 to remove the organization unit (OU) field from all public trust TLS/SSL certificates. The problem with the OU field relates to the principle that the certification authority (CA) must verify and assert the identity of the certificate subject w...

TLS/SSL Certificates |

Bruce Morton

Dec 2021

Apple Reduces S/MIME Certificate Validity Period to 825-Days

At the October 2021 CA/Browser virtual face-to-face conference, Apple advised of updates to their root certificate program. The updates included new requirements for S/MIME certificates effective April 1, 2022. All S/MIME certificates: Require the emailProtection extended key usage (EKU) Must ...

TLS/SSL Certificates |

Bruce Morton

Nov 2021

Wildcard and multi-domain TLS certificates and ALPACA attack

Marcus Brinkmann presented the Application Layer Protocol Confusion-Analyzing and Mitigating Cracks in TLS Authentication (ALPACA) attack at Black Hat USA 2021 and USENIX Security Symposium 2021 supported by the ALPACA research paper. ALPACA is an application layer protocol content confusion attack...

TLS/SSL Certificates |

Bruce Morton

Nov 2021

SSL Review: October 2021

The Entrust monthly SSL review covers SSL/TLS discussions — recaps news, trends and opinions from the industry. F5 Market Screener provides 2021 TLS Telemetry Report Splunk Splunk prepares paper on TLS fingerprint and High(er) Fidelity Software Supply Chain Attack Detection Bulletproof TLS ...

TLS/SSL Certificates |

Bruce Morton

Nov 2021

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SSL Review: July 2021

The Entrust monthly SSL review covers TLS/SSL discussions – recaps, news, trends, and opinions from the industry. Entrust Gmail support for BIMI is a major milestone for strong email authentication PKI Consortium From CASC to the Public Key Infrastructure Consortium One Year Certs Bullet...

TLS/SSL Certificates |

Bruce Morton

Aug 2021

Entrust Blog

From Process to Outcomes: Governing the Agentic Enterprise

Where Identity Breaks Down Across the Employee Lifecycle

AI Agent Authorization: Why Accountable Delegation is Central to Your Trust Fabric

Agentic AI Identity Security: Why Delegated Authority Raises Risk

Rethinking Certificate Management: Why the 47-Day Mandate Is a Wake-Up Call

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