About

My name is Olivia Gallucci. I am a security engineer at Datadog. My work surrounds macOS internals, reverse engineering, and user-space research. I enjoy personal training, and running.

Sporadically, I blog about offensive security, freedom (open source) software, and productivity. Consider subscribing!

Press

Low-Level Bootloader (LLB) Security on macOS

Overview of the Apple Silicon Low-Level Bootloader. Explains how LLB verifies firmware, enforcing SEP-signed LocalPolicy and anti-replay.

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29 March 202624 March 2026

Boot ROM Security on Silicon Macs (M1/M2/M3)

A overview of Apple Silicon Boot ROM security. Explains how SecureROM anchors the boot chain of trust, and exploits surrounding it.

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15 March 202626 March 2026

Security & Health: Why I’m Fundraising for Breast Cancer

Two impactful women in my life were diagnosed with cancer, and in their honor, two of these initiatives will support cancer research. The first of these will focus on breast cancer.

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1 February 202626 March 2026

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Initiatives

I’m current fundraising for the Susan G. Komen Breast Cancer Foundation through the Philadelphia “MORE THAN PINK” walk, and the NYC “Race for a Cure.” Please consider donating!

Olivia Gallucci at OBTS 7.0. Used on Miles for Mac Security post.

I lead Miles for Mac Security, which helps students attend Objective by the Sea, an Apple-focused security conference by the Objective-See Foundation.

I am a founding member of Team Intelligen’t. Our goal is to see if a small group of dedicated CTF players can achieve the same level of success as the large and legendary teams.