An Accenture contractor allegedly connected a personal Claude Code agent to a secure Department of Defense development environment on NIPRNet, a heavily protected network holding controlled unclassified information. To automate coding and cloud setup, the contractor gave the agent login credentials and administrative access. The agent reportedly sent credentials, passwords, and a map of the network to a high-risk third-party website vulnerable to attacks that can manipulate AI agents. It operated on the network for two months before the weakness was identified and patched. Sources say Accenture did not promptly report the incident, despite a 72-hour reporting requirement. The company says an independent investigation found the allegations meritless and that it met its legal obligations; the Pentagon declined to discuss its systems.
Experts warn that exposed credentials could enable unauthorized access, while a network map could help attackers locate valuable systems and data. Although there is no indication that classified networks were breached, malicious code inserted into NIPRNet could later reach classified systems through normal development and deployment processes. Experts also note that AI-generated code can be difficult to review, may reproduce existing flaws, and can conceal backdoors that routine security scans would miss. The incident highlights pressure on contractors to deliver work quickly, alongside incentives that can discourage breach reporting. Accenture holds billions of dollars in federal contracts and has faced other security concerns, including a separate FBI contractor’s failure to patch a vulnerability.
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