Ryan K.
Cyber Security Engineer at Castlegarde Inc
Based in Austin, United States
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Seniority
Staff
Department
Information Technology
Location
Austin
Industry
Business Consulting and Services
Company size
14
Contact information
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r•••••••@castlegarde.com
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Background
About Ryan K.
I'm a cybersecurity engineer with a strong foundation in offensive security, but my goals go beyond red teaming alone. I’ve spent the last few years delving into penetration testing, internal assessments, Active Directory abuse, and network perimeter testing—working hands-on with industry-standard tools to simulate real-world adversaries and help organizations close critical gaps before attackers exploit them. But what’s always mattered to me most isn’t just popping a shell—it’s understanding the bigger picture. I aim to bridge the gap between technical findings and actual business risk, aligning my work with frameworks like NIST 800-53, MITRE ATT & CK, and ISO 27001. I believe that good offensive work should drive strategic defense, not just generate a list of CVEs. Sharpening my understanding of detection engineering, incident response, and threat hunting through my red team experience. My goal is to grow into a well-rounded security leader who can design, test, and continuously improve security from both sides of the kill chain. I thrive in environments where red and blue teams work together—such as through purple teaming, threat modeling, and breaking down silos between offensive and defensive operations. I enjoy mentoring, knowledge sharing, and turning complex findings into clear, actionable strategies. Currently pursuing various certifications to enhance my understanding, I’m focused on building toward leadership in risk management and enterprise security strategy, while staying grounded in technical excellence. If you’re building stronger detection capabilities, running adversary simulations, or just passionate about maturing security programs, I’d love to connect and swap ideas.
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