Jeff Tang
Chief Operating Officer
Virginia, United States
Summary
👤
Senior🎓
Top SchoolJeff Tang is a cybersecurity entrepreneur and operator with 12 years of hands-on experience building and scaling security products and teams, now serving as COO at Blue Ivy Partners while consulting as an Executive Mischief Consultant. He has led research and engineering teams to create industry-leading SaaS Security Posture Management and endpoint security platforms, driving 50x ARR growth at Obsidian and architecting telemetry pipelines and policy engines used by enterprises. A former senior manager at Cylance and co‑founder/Chief Scientist at VAHNA, he blends offensive security expertise (including contributions to Metasploit and psutil) with cloud infrastructure chops demonstrated by meaningful Terraform provider work on AWS. Jeff uniquely pairs technical depth—patent-pending defenses, antidetection research, and large-scale data engineering—with board-level fluency translating security risk into business outcomes, and he’s known for stopping BEC attacks that prevented seven-figure fraud. He holds an MSc in Offensive Computer Security and an MBA from Darden, reflecting a mix of rigorous technical training and strategic leadership.
13 years of coding experience
15 years of employment as a software developer
Bachelor of Science (BSc), Electrical Engineering and Computer Science, Bachelor of Science (BSc), Electrical Engineering and Computer Science at University of California, BerkeleyMaster of Science (MSc), Offensive Computer Security, Master of Science (MSc), Offensive Computer Security at Eastern Michigan UniversityMaster of Business Administration - MBA, Master of Business Administration - MBA at University of Virginia Darden School of Business
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (33)
javascript10
penetration-testing10
python10
wp-api10
windows10
cloud-infrastructure10
browser-security10
c1110
winapi10
terraform10
c1710
obfuscation10
terraformer10
exploit10
process-monitoring10
Programming languages (8)
Github contributions (5)
rapid7/metasploit-framework
Feb 2017 - Sep 2018
Metasploit Framework
Role in this project:
Security Engineer
Security EngineerContributions:5 commits, 4 PRs, 9 comments in 1 year 7 months
Contributions summary:Jeff primarily contributed to the Metasploit Framework by enhancing its browser exploit capabilities. They focused on improving JavaScript obfuscation techniques to evade detection, especially within browser-based exploits. The user also addressed OS detection bypasses and implemented process unhooking functionality, improving the framework's stealth and effectiveness in various penetration testing scenarios. Their work primarily focused on Windows browser exploits.
metasploit
giampaolo/psutil
Jan 2015 - Apr 2017
Cross-platform lib for process and system monitoring in Python
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 PRs, 80 comments, 2 issues in 2 years 3 months
Contributions summary:Jeff primarily contributed to the `psutil` library's Windows-specific implementations. They addressed bugs related to process handle retrieval, implemented threading to improve the performance of `get_open_files`, and added support for Windows XP. Furthermore, the user refactored code and added support for IPv6 addresses. Their work focused on enhancing the library's compatibility and efficiency on the Windows platform.
monitoringpythoncpumemorydisk
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