certificate authority

Let’s Encrypt works toward post-quantum certificates at web scale

Let’s Encrypt works toward post-quantum certificates at web scale 2026-06-05 at 15:49 By Anamarija Pogorelec Let’s Encrypt plans to pursue a post-quantum-safe Web PKI through Merkle Tree Certificates (MTCs), a new approach that adds post-quantum authentication to the web without sacrificing the speed and reliability that have made TLS universal. The project is targeting late […]

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NTLM relay attacks are back from the dead

NTLM relay attacks are back from the dead 2025-07-04 at 09:32 By Help Net Security NTLM relay attacks are the easiest way for an attacker to compromise domain-joined hosts. While many security practitioners think NTLM relay is a solved problem, it is not – and, in fact, it may be getting worse. Anecdotally, they are

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Shorter TLS certificate lifespans expected to complicate management efforts

Shorter TLS certificate lifespans expected to complicate management efforts 2024-08-09 at 07:01 By Help Net Security 76% of security leaders recognize the pressing need to move to shorter certificate lifespans to improve security, according to Venafi. However, many feel unprepared to take action, with 77% saying the shift to 90-day certificates will mean more outages

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EJBCA: Open-source public key infrastructure (PKI), certificate authority (CA)

EJBCA: Open-source public key infrastructure (PKI), certificate authority (CA) 2024-04-09 at 07:32 By Mirko Zorz EJBCA is open-source PKI and CA software. It can handle almost anything, and someone once called it the kitchen sink of PKI. With its extensive history as one of the longest-standing CA software projects, EJBCA offers proven robustness, reliability, and

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3 ways to achieve crypto agility in a post-quantum world

3 ways to achieve crypto agility in a post-quantum world 2024-02-06 at 07:31 By Help Net Security Working at the speed of digital business is a constant challenge. But in today’s increasingly automated operational environment, crypto agility—i.e., an organization’s ability to (at the moment of compromise) switch rapidly and seamlessly between certificate authorities, encryption standards

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