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Home News

Millions of Sensitive Files Exposed

September 29, 2023
Reading Time: 2 mins read
in News

A recent analysis by Censys, a service that indexes internet-connected devices and their services, has revealed a concerning trend of millions of potentially sensitive files being exposed online. The study identified over 314,000 distinct internet-connected devices and web servers with open directory listings, resulting in the creation of a comprehensive database of these open directories.

Furthermore, among these exposed files were database backups and numerous spreadsheets with financial data, potentially carrying authentication and credential information. Although the researchers did not view the file contents, they stressed the risk of malicious actors exploiting this data.

Additionally, this issue of files being exposed online is well-documented, with the analysis revealing that most of the data was created or modified in 2023, indicating its persistence despite increased security awareness.

The files are accessible via open directory listings on web servers, typically not meant to be openly accessible, but sometimes left open due to administrative or configuration errors.

The inadvertent exposure of sensitive information, such as development artifacts and backups, highlights the serious consequences of such misconfigurations, as evidenced by previous incidents like the exposure of health insurance data in Washington, D.C.

Open directories also serve as a resource for researchers combating cyber threats, aiding in uncovering sensitive data and vulnerabilities. This problem underscores the need for organizations to prioritize cybersecurity and ensure the proper configuration of their systems to prevent unintentional data exposure and potential cyberattacks.

Reference:
  • Dorking the Internet: Unlocking Secrets in Open Directories
  • Dorking the Internet: Unlocking Secrets in Open Directories (PDF)
Tags: CensysCredentialsCyber NewsCyber News 2023CybersecuritydatabaseSensitive datasensitive informationSeptember 2023ServersVulnerabilities
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