09/28/2026
Attackers do not look only for software vulnerabilities. They also collect information that organizations accidentally publish.
The QTFY scanning platform included webpage scraping and subdomain discovery. Federal agencies recommend protecting operational information from unintentional disclosure through internet-facing applications.
Small details can help an attacker: exposed email addresses, employee roles, vendor names, internal hostnames, software versions, API documentation, cloud-storage links, test pages, login portals, configuration files, or credentials accidentally placed in website code.
Review public websites and applications the way an outsider would. Search for forgotten subdomains, directory listings, backup files, exposed keys, old documents, development pages, and technical error messages. Remove what is unnecessary and protect what must remain available.
Marketing teams, developers, IT, and security all influence the organization’s public footprint. A quick change to a website can unintentionally become useful reconnaissance for an attacker.
Publish what customers need—not a roadmap to your internal environment.