# How Cathay uses GitHub copilot

**1,000 developers**: “Cathay rolled out GitHub Copilot to more than 1,000 developers in just one week”

As published on [github.com](https://github.com/customer-stories/cathay), October 2025. Captured by usedby on 2026-10-02.

- Company: [Cathay](https://www.usedby.ai/companies/cathay.md)
- Tool: [GitHub copilot](https://www.usedby.ai/tools/github-copilot.md)
- Teams: developers, DevSecOps

## What the story says

Cathay's developers use GitHub Copilot for code completion in the IDE and its agent mode for multi-step coding changes across the codebase. The airline also uses GitHub Advanced Security and Copilot Autofix to detect and fix vulnerabilities during development.

Summary written by usedby from the source page, in English. The figures are those of GitHub copilot and Cathay, not ours.

> Cathay rolled out GitHub Copilot to more than 1,000 developers in just one week, who have since accepted over four million lines of code.

- **40%**: “which has contributed to a 40% year-over-year improvement in tech debt fixes”
- **63%**: “This shift to proactive security has led to a 63% decrease in the Mean Time to Remediate (MTTR) security fixes.”
- **4.4/5**: “with satisfaction and NPS scores rising to 4.4/5”

> GitHub Copilot has been a game changer,” said Rajeev Nair, General Manager - IT Infrastructure & Security at Cathay. “It’s more than just a tool. It's a collaborative partner that helps us stay focused on meaningful work instead of repetitive tasks.
>
> Rajeev Nair, General Manager - IT Infrastructure & Security

## What usedby checked

We compared the story with its live page on 2026-10-03.

- Checked: the figure 1,000 developers is printed word for word on the page, near the name of Cathay.
- Checked: the passage quoted above is copied word for word from the page, near the name of Cathay.
- Checked: the publication date is read from the page’s own metadata, never guessed.
- Checked: Cathay uses GitHub copilot. Confirmed line. Latest check across sources: 2026-10-05.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/cathay-github-copilot · How we check: https://www.usedby.ai/methodology