Microsoft replaces security leaders weeks after announcing 4,800 layoffs

Microsoft has reportedly replaced several senior security executives weeks after announcing 4,800 job cuts, as the technology company accelerates its artificial intelligence strategy across its cybersecurity business.

According to The Information, Hayete Gallot, who became Microsoft's Executive Vice President for Security in February, has reshaped the leadership team by replacing several executives who previously reported to former security chief Charlie Bell. 

Leadership changes align with AI strategy

The reported changes come as Microsoft expands its investment in AI-powered security products.

According to The Information, Gallot is prioritising:

• Microsoft Security Copilot, the company's AI-powered cybersecurity assistant.
• AI tools that scan software code for vulnerabilities.
• Technologies that help organisations monitor AI agents.

Gallot, who reports directly to Chief Executive Officer Satya Nadella, also reportedly oversaw the reduction of hundreds of roles within the security organisation as part of Microsoft's broader restructuring, while urging teams to focus on "clarity, conviction, and focus," according to an internal memo cited by the publication.

In the memo, Gallot wrote the industry is being "reimagined from the ground up" and said companies that recognise the AI shift early and execute with discipline will be best positioned to succeed.

Senior executives exit as new leaders arrive

The Information reported that Joy Chik and Shawn Bice were among the senior technology leaders who departed Microsoft's security organisation, alongside six other members of the leadership team.

Gallot has also brought experienced leaders back to Microsoft's security business.

New appointments include:

• Naseem Tuffaha, who returned as Corporate Vice President after previously spending more than 18 years at Microsoft.
• Rajesh Sundaram, a technology executive with experience at NetApp and Hewlett Packard Enterprise.

Security overhaul follows company-wide restructuring

Earlier this month, Microsoft announced plans to eliminate 4,800 jobs, representing approximately 2.1% of its global workforce, as part of its ongoing AI-led restructuring.

The company's gaming business has been among the hardest hit. Microsoft is eliminating around 3,200 roles across its Xbox division as part of a wider organisational reset.

The security leadership changes come as Microsoft, the world's largest cybersecurity software provider, continues investing heavily in AI capabilities while reorganising teams to support its long-term product strategy.

Gallot returns to Microsoft after Google stint

Gallot rejoined Microsoft in February after serving as President of Customer Experience at Google Cloud.

She previously spent 16 years at Microsoft, joining the company in 2009 in strategy and business development before later leading sales across several product categories, including security.

Announcing her return earlier this year, Satya Nadella said Gallot combines product development with customer value creation, adding that Microsoft had built strong momentum in security through products including Security Copilot and intended to build on that progress.

AI becomes central to Microsoft's security roadmap

The latest leadership changes highlight Microsoft's continued effort to align its cybersecurity business with its broader AI strategy.

While the company has not commented on the reported executive reshuffle, the appointments and organisational changes indicate a renewed focus on AI-driven security products, engineering execution and leadership as Microsoft continues its wider business transformation.