PLEX Solutions
Track on RadarAcquired by Markon · 2025 · news
Cybersecurity services for DoD, IC, and commercial clients
- Total raised
- —
- Employees
- 89
- Founded
- 2014
- Momentum
- —
Data updated August 2026
About
About PLEX Solutions
At a glance
PLEX Solutions is a cybersecurity company specializing in Security Operations, founded in 2014 and headquartered in Columbia, United States. It employs about 89 people and was acquired by Markon in 2025.
PLEX Solutions, LLC operates two main divisions: PLEX Solutions and PLEX Cyber. The company provides cybersecurity services and solutions primarily to the Department of Defense (DoD), Intelligence Community (IC), and commercial industry clients ranging from Fortune 100 companies to small businesses. PLEX Cyber focuses on offensive and defensive cybersecurity capabilities. The team includes subject matter experts in software, hardware, radio frequency, vulnerability assessment, reverse engineering, exploit development, and penetration testing of networks, systems, and devices. They identify Advanced Persistent Threat (APT) attacks within client networks and create security barriers through custom solutions. The team competes annually in the USAF Space Security Challenge (Hack-A-Sat) with consistent top 10 finishes. PLEX Solutions provides systems engineering, mission engineering, and cyber operations support to government and defense clients. Their work includes network defense, security enforcement, and engineering support for intelligence and special operations platforms. The company maintains expertise in cryptologic engineering, ISR platforms including UAV intelligence systems, and cyber warfare operations. The company was founded by Paul Weidow and Stan Nolen, both with extensive backgrounds in aerospace, intelligence, and cybersecurity. Leadership includes veterans from IBM, HPE, NTT, and military cyber warfare units. Services span consulting, managed security, digital forensics and incident response (DFIR), application security, GRC, penetration testing, SOC consulting, and enterprise security architecture.
Momentum
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Valuation
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Funding
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Privately held
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Headcount
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FAQ
Frequently asked questions about PLEX Solutions
When was PLEX Solutions founded?▾
PLEX Solutions was founded in 2014.
Where is PLEX Solutions headquartered?▾
PLEX Solutions is headquartered in Columbia, United States.
Is PLEX Solutions public or private?▾
PLEX Solutions is a privately-held company.
How many employees does PLEX Solutions have?▾
PLEX Solutions has approximately 89 employees.
What does PLEX Solutions do?▾
PLEX Solutions, LLC operates two main divisions: PLEX Solutions and PLEX Cyber. The company provides cybersecurity services and solutions primarily to the Department of Defense (DoD), Intelligence Community (IC), and commercial industry clients ranging from Fortune 100 companies to small businesses.…