Disqus

Disqus operates as a comment hosting and discussion platform that allows website owners to add interactive commenting features to their pages without building their own infrastructure. The service provides tools for user registration, threaded conversations, voting, and media embedding, and it can be integrated via a simple JavaScript snippet. Publishers ranging from personal blogs to large news outlets use Disqus to foster community engagement and increase time spent on their sites. The company is headquartered in the United States and also operates under the alias Big Head Labs.

A notable event in its history was the 2012 data breach that exposed details of approximately 17.5 million user accounts, including email addresses, usernames, sign‑up dates, last login dates, and a subset of hashed passwords using an outdated algorithm. The breach was identified after external analysis of stolen data, leading Disqus to reset affected credentials and confirm that there was no evidence of unauthorized account access. In response, the company strengthened its security posture by upgrading password storage to more robust encryption standards. Disqus distinguishes itself by offering a centralized comment system that enables a single user identity to be recognized across many different websites, simplifying login and profile management for participants. Its platform includes built‑in moderation controls, spam filtering, and real‑time updates, which help maintain the quality of discussions at scale. Over time, the service has become a widely adopted solution for sites seeking to add discussion capabilities without the overhead of developing and maintaining their own comment infrastructure.