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About Us
Global Sentynel

We are a company that offers
cybersecurity services on a global scale

Our services are meticulously designed to address the ever-evolving challenges posed by Cloud technologies and the Internet of Things (IoT). Operating remotely, our primary objective is to bring together businesses with cybersecurity experts from all corners of the globe. This extensive network of professionals brings a diverse range of capabilities, insights, and experience to our clients, generating added value and ensuring comprehensive protection of their digital assets.

// History and Mission
Join our mission to safeguard
businesses worldwide.

While numerous global cybersecurity companies exist, Global Sentynel distinguishes itself through its unique approach and the exceptional expertise of its team members. Our strategy revolves around seamlessly connecting businesses with an unparalleled network of security professionals, resulting in comprehensive solutions that go beyond conventional offerings.

At Global Sentynel, our brand values and personality embody the following:

We understand our customers' challenges and needs, placing ourselves in their shoes to deliver effective solutions.
We seamlessly integrate with our clients' teams, acting as an extension to collaboratively address security issues.
We foster strong relationships with our clients and team members, treating them as trusted friends in our shared journey towards cybersecurity excellence.

Trust our expert's experience and knowledge to protect your assets

Gerardo Lopez

Is a Senior Security Architect at Global Sentynel, bringing over 20 years of experience in Cyber Security and Risk Management.

He is skilled in AWS, Azure, Google Cloud, Apigee, Salesforce, ServiceNow, and O365, making him a valuable resource for designing end-to-end security solutions for various industries. With his deep technical understanding, Gerardo excels in identifying and quantifying risks in the context of business processes, ensuring comprehensive and effective security measures.

Senior Security Architect Co Founder

Etan Castro

Is a seasoned Senior Security Consultant at Global Sentynel, specializing in deep technical source code review and application penetration testing

He possesses in-depth knowledge of secure coding practices and is proficient in conducting penetration tests on various types of infrastructure, ensuring comprehensive security solutions for our clients. With his expertise and dedication to security, Etan plays a pivotal role in safeguarding our clients' digital assets and ensuring their resilience against cyber threats.

Senior Security Consultant


Alma Ramirez

Is an accomplished Marketing graduate who enriches Global Sentynel as a Client Success Expert and Marketing Specialist.

Her proactive approach is evident in creating tailored tech frameworks that address client's needs and budgets. Alma's knack for identifying market trends, coupled with goal-setting and personalized attention, positions her as a driver of bespoke solutions and overall client satisfaction. Her role aligns with Global Sentynel's pursuit of excellence, fusing marketing acumen and cybersecurity experience for an elevated client experience.

Client Success Expert



Our industry-recognized certifications and accolades.

- Certified Information Systems Auditor (CISA)
- Certified Information Systems Security Professional (CISSP)
- Offensive Security Web Expert (OSWE)
- Offensive Security Certified Professional (OSCP)
- CREST Penetration Tester



Tailored Security Solutions
for Businesses and Specific Industries.

We are a company that offers cybersecurity services on a global scale.
Securing Beyond the Ordinary.