SSL.com Blog

What Is Certificate Pinning?

What is Certificate Pinning? Chrome deprecated HTTP Public Key Pinning (HPKP), the web standard that allowed sites to define public-key pins, in 2018 and removed support entirely with Chrome 72 in 2019. Certificate pinning has continued to be used in mobile apps and API clients, and shorter certificate lifetimes are
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SSL Support Team October 5, 2026

SSL/TLS Handshake: Ensuring Secure Online Interactions

Whenever we visit a website, make an online purchase, or check our email, data is transmitted back and forth between our devices and remote servers. This exchange of information over the internet raises an important question: how do we know our data is secure from prying eyes? The answer lies
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SSL Support Team September 29, 2026

What is a Certificate Authority (CA)?

  A certificate authority (CA) is a trusted organization that verifies the identity of a website, person, or company, then issues a digital certificate confirming that identity. That certificate is what lets browsers, devices, and other systems trust a connection, a signed document, or an email as genuinely coming from
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SSL Support Team September 29, 2026

The Trust Briefing September 2026

Issue 6 | September 2026 This month: A hacker convention takes over the skies, and AI cybersecurity concerns move from IT closets to boardrooms worldwide.  Plus: It can happen to anyone! Read on to learn about a major technology company’s recent outage incident, the likely surprising cause, and whether your
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The SSL Team September 24, 2026

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