# AI News Digest - 2026-03-07

1. Anthropic was designated a supply chain risk by the Department of Defense after negotiations over use of its Claude model to analyze bulk commercial data, and the company announced a legal challenge; OpenAI reworked its contract with the Pentagon to prohibit intentional use of its AI for domestic surveillance.

2. OpenAI launched Codex Security, an AI agent that automatically hunted for vulnerabilities in software projects and was reported to have found gaps in OpenSSH and Chromium.

3. OpenAI released its GPT-5.4 model, which powered a beta "ChatGPT for Excel" add-in that let users create, edit, and analyze spreadsheets via natural language with finance-optimized reasoning.

4. SoftBank sought a $40 billion loan to fund a stake in OpenAI.

# References

1. [https://www.technologyreview.com/2026/03/06/1134012/is-the-pentagon-allowed-to-surveil-americans-with-ai/](https://www.technologyreview.com/2026/03/06/1134012/is-the-pentagon-allowed-to-surveil-americans-with-ai/)

[Is the Pentagon allowed to surveil Americans with AI?](https://www.technologyreview.com/2026/03/06/1134012/is-the-pentagon-allowed-to-surveil-americans-with-ai/)

1. [https://the-decoder.com/openai-launches-codex-security-an-ai-agent-designed-to-detect-vulnerabilities-in-software-projects/](https://the-decoder.com/openai-launches-codex-security-an-ai-agent-designed-to-detect-vulnerabilities-in-software-projects/)

[OpenAI launches Codex Security, an AI agent designed to detect vulnerabilities in software projects](https://the-decoder.com/openai-launches-codex-security-an-ai-agent-designed-to-detect-vulnerabilities-in-software-projects/)

1. [https://the-decoder.com/openais-new-gpt-5-4-model-powers-chatgpt-for-excel-with-finance-optimized-reasoning/](https://the-decoder.com/openais-new-gpt-5-4-model-powers-chatgpt-for-excel-with-finance-optimized-reasoning/)

[OpenAI's new GPT-5.4 model powers ChatGPT for Excel with finance-optimized reasoning](https://the-decoder.com/openais-new-gpt-5-4-model-powers-chatgpt-for-excel-with-finance-optimized-reasoning/)

1. [https://the-decoder.com/softbank-seeks-record-40-billion-loan-to-fund-openai-stake/](https://the-decoder.com/softbank-seeks-record-40-billion-loan-to-fund-openai-stake/)

[Softbank seeks record $40 billion loan to fund OpenAI stake](https://the-decoder.com/softbank-seeks-record-40-billion-loan-to-fund-openai-stake/)

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