Free TLS certificates from Let’s Encrypt (LE) will soon be valid for a significantly shorter period than usual: their validity will drop from the current 90 days to half. As a Certificate Authority ...

On December 3, 2025, local time, Let's Encrypt, which issues free TLS certificates to websites, announced that it will shorten the validity period of the certificates it issues from 90 days. The ...

Learn how Certificate of Need (CON) laws regulate healthcare facility development, their purpose, examples, and the impact on competition and infrastructure.

From their environmental impact to how grifters are cashing in, here’s what you should know about non-fungible tokens. Visitors take in “Machine Hallucinations — Space: Metaverse,” an immersive ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Pete Rathburn is a copy editor and fact-checker with expertise in economics and personal finance and over twenty years of experience in the classroom. d3sign / Getty Images A blockchain is a secured ...

With more than 15 years of experience crafting content about all aspects of personal finance, Michael Benninger knows how to identify smart moves for your money. His work has been published by Intuit, ...

Ten years of Let’s Encrypt is an enormous achievement: ...