Use Azure Automation with the Let's Encrypt free certificate authority to create, validate and install certificates on a firewall.

You can still automate Let's Encrypt even if your system requires a DNS challenge. Using these PowerShell scripts and Amazon Web Services' DNS service Route 53 will do the trick.

File Photo Let's Encrypt has disabled TLS-SNI-01 validation after the discovery of an attack able to hijack certificates using the protocol.

Popular free certificate authority Let’s Encrypt said it will revoke 3 million Transport Layer Security (TLS) certificates Wednesday, because of a Certificate Authority Authorization (CAA) bug.

The Let's Encrypt project, which aims to enable anyone to securely encrypt their web site, is finally nearing launch.

Let's Encrypt has IP address-based certificates available in Staging, but they'll be more widely available for production use later in 2025.

A consortium led by Mozilla, Akamai, Cisco, and the Electronic Frontier Foundation will open a certificate authority in 2015 to offer free encryption certificates to increase encrypted online traffic.

Let’s Encrypt will not be revoking those certificates issued to the subdomains used in the malvertising attacks, “but it looks like the sites in question have been taken down,” Aas said.

An initiative to encourage more websites to encrypt connections by offering free digital certificates has today exited beta, six months on from its initial launch -- the idea behind Let's Encrypt ...