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Microsoft appoints Hayete Gallot as security EVP, replaces senior leaders and cuts hundreds of roles to fast‑track AI‑driven security products like Security
Microsoft’s new security chief, Hayete Gallot, has dismissed several senior executives and trimmed hundreds of positions to speed an AI‑centric security roadmap that centers on Microsoft Security Copilot and AI‑based vulnerability scanners [3].
| At a glance | |
|---|---|
| New security EVP | Hayete Gallot (re‑joined Feb 2024) |
| Executives replaced | 8 senior security leaders, including Joy Chik and Shawn Bice |
| Roles cut | Hundreds of positions in the security unit |
| AI‑focused products | Microsoft Security Copilot, AI‑driven code‑scan tools |
Gallot, who returned to Microsoft after a stint as President of Customer Experience at Google Cloud, took charge of the security business in February and now reports directly to CEO Satya Nadella [2]. In an internal memo, she argued that “the entire industry is getting reimagined from the ground up” and that Microsoft must make “hard choices” to stay ahead [3]. The memo also announced the removal of several senior leaders who previously reported to former security chief Charlie Bell, who has been shifted to an engineering‑quality role [3].
The restructuring coincides with a broader AI‑led overhaul that includes a push for products such as Microsoft Security Copilot, AI‑powered tools that scan code for vulnerabilities, and solutions that monitor corporate AI agents [2][3]. Gallot’s changes also involve “reducing hundreds of roles” as part of Microsoft’s recent 4,800‑job cut, roughly 2.1 % of its workforce, aimed at sharpening focus on AI‑driven security offerings [3].
The timing aligns with a surge in AI‑generated vulnerability disclosures. Microsoft’s July Patch Tuesday update reportedly covered 621 new CVEs, more than triple the 206 CVEs in June and far above the typical sub‑100‑CVE monthly average [1]. Executives attribute this spike to frontier AI models like Anthropic’s Claude Mythos and OpenAI’s tools, which Microsoft has accessed through Project Glasswing and Trusted Access for Cyber initiatives [1].
By reorganizing its security leadership and emphasizing AI‑centric products, Microsoft aims to capture spending that is increasingly flowing to AI firms such as Anthropic and OpenAI [2]. The move also positions the company to compete with rivals that are developing similar AI‑based security capabilities, while offering a “more secure and cost‑effective end‑to‑end alternative” for enterprise customers [2].
The overhaul underscores Microsoft’s belief that AI will dominate the next wave of cybersecurity, but the scale of the executive and staffing cuts raises questions about the firm’s capacity to execute the ambitious roadmap while maintaining operational stability.
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AI-assisted synthesis by the TrendWatcher Editorial Desk · sourced from 4 outlets · Jul 16, 2026 · How we report
News publishers allege that Microsoft and OpenAI infringed on their copyrights by using original journalism to train large language models without consent or compensation. The plaintiffs claim that Microsoft's AI products compete directly with their reporting and threaten the financial viability of the news industry.
Microsoft argues that training AI models on copyrighted material qualifies as 'fair use' because the process is transformative and the resulting technology serves a different purpose than the original works. As of the legal filings in late 2024, Microsoft maintains that its Copilot assistant rarely reproduces substantial portions of copyrighted text.
Microsoft claims that its analysis of 8.2 million Copilot chat logs shows that fewer than 1 percent of interactions contained at least 16 words in common with news content. However, plaintiffs in the ongoing litigation argue that Microsoft and OpenAI have built products that effectively steal and regurgitate copyrighted journalism.
Microsoft expressed surprise regarding the lawsuit filed by The Seattle Times, noting that it has previously funded some of the organization's journalism projects and fellowships. A Microsoft spokesperson stated that the company remains open to sitting down with the publisher to explore solutions to the dispute.