Certificate Transparency (CT) Introduction Certificate Transparency (CT) is a technology developed to improve the security and trustworthiness of digital certificates. It aims to provide a transparent and auditable way of monitoring digital certificates, enabling domain owners to detect malicious or fraudulent certificates issued for their domains. However, like any technology, Certificate Transparency has its own vulnerabilities and flaws that can be exploited by cybercriminals. In this article, we will discuss the history of Certificate Transparency vulnerability and its associated events.
A single java file to query Certificate Transparency log records and verification. Introduction Certificate Transparency (CT) depends on independent, reliable logs because it is a distributed ecosystem. Built using Merkle trees, logs are publicly verifiable, append-only, and tamper-proof. Logs are publicly available and monitored. How CT works Certificates are deposited in public, transparent logs Certificate logs are append-only ledgers of certificates. Because they’re distributed and independent, anyone can query them to see what certificates have been included and when.