Caleb Little
Senior Software Security Engineer at Microsoft
Virginia, United States
Summary
🤩
Rockstar🎓
Top SchoolCaleb Little is a Senior Software Security Engineer with seven years of experience building and securing high-impact cyber tooling, currently at Microsoft after a multi-year tenure at MITRE. He played a core engineering role on CALDERA, contributing major backend features, adversary logic, and security hardening that helped the platform gain wide community adoption. Caleb also improved ATT&CK operations by creating a near-real-time internal pipeline and a more robust ATT&CK TAXII server, and he maintains the mitreattack-python library used for scriptable access to ATT&CK. He has hands-on SOC-focused program experience for U.S. government sponsors and has led a small team, translating sponsor needs into delivered capabilities. Academically strong with a 4.0 MS in Information Security from Carnegie Mellon and a 3.97 BE in Computer Engineering from Clemson, he blends rigorous theory with practical open-source impact. A detail-oriented engineer, he often focuses on the intersection of operational tooling and security hardening—improving usability without diluting defensive controls.
7 years of coding experience
5 years of employment as a software developer
Bachelor of Engineering - BE, Computer Engineering, 3.97, Bachelor of Engineering - BE, Computer Engineering, 3.97 at Clemson UniversityMasters, Information Security, 4.0, Masters, Information Security, 4.0 at Carnegie Mellon University's Information Networking Institute
Github Skills (9)
it-security10
emulation10
python10
security10
cybersecurity9
api-design8
go7
databases6
database6
Programming languages (7)
Github contributions (5)
mitre/caldera
May 2019 - Apr 2022
Automated Adversary Emulation Platform
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:143 reviews, 76 commits, 94 PRs in 2 years 11 months
Contributions summary:Caleb primarily contributed to the core functionality of the Caldera platform, including operation controls, adversary creation logic, and data service enhancements. Their work focused on features related to stopping conditions, link management, and objective/goal implementation within operations. The commits also involved security-related changes, such as adding a host filtering mechanism and hardening payload handling, reflecting an awareness of the project's security focus.
security-automationadversarysecurity-testingred-teammitre-attack
mitre/adversary
May 2019 - Aug 2019
A CALDERA plugin
Contributions:4 commits, 4 PRs, 4 pushes in 3 months
caldera-plugincalderaplugin
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