Let's Encrypt is a free, open, and automated HTTPS certificate authority (CA) created to
advance HTTPS adoption to the entire Web. Since its launch in late 2015, Let's Encrypt has …

Distributed cyber-infrastructures and Artificial Intelligence (AI) are transformative
technologies that will play a pivotal role in the future of society and the scientific community …

While social media disinformation has received significant academic and policy attention,
more consequential forms of intentional manipulation target the underlying digital …

Certificates are the foundation of secure communication over the internet. However, not all
certificates are created and managed in a consistent manner and the certificate authorities …

An identity system based secure overlay for the Internet is presented. This includes a
primary root-of-trust in self-certifying identifiers. It presents a formalism for Autonomic …

The Estonian electronic identity card (ID card) is considered to be one of the most successful
deployments of smart card-based national ID card systems in the world. The public-key …

Public Key Infrastructure (PKI) is a comprehensive information security framework for
providing secure information and communication over the internet. Its need and use has …

This article describes a data-driven approach to improve the security of the Internet
infrastructure. We identify the key vulnerabilities, and describe why the barriers to progress …

Two entities, who only share a password and communicate over an insecure channel,
authenticate each other and agree on a large session key for protecting their subsequent …

Public key infrastructure (PKI) is a certificate-based technology that helps in authenticating
systems identities. HTTPS/TLS relies mainly on PKI to minimize fraud over the Internet …