Hi, my name is

Daniel Cho

Security Engineer

I'm a Security Engineer specializing in cloud security, infrastructure as code, and cybersecurity architecture. Currently working at Capital One, I'm passionate about building secure, scalable cloud solutions and protecting digital assets.

01.About Me

Hello! I'm Daniel, a Security Engineer based in Herndon, Virginia, specializing in cloud security architecture and cybersecurity. I'm passionate about technology and enjoy building secure, scalable cloud infrastructure solutions that protect organizations from evolving threats.

Currently working at Capital One, I focus on implementing security best practices, compliance frameworks, and zero-trust architectures. As a homeowner and tech enthusiast, I'm always exploring new technologies and security solutions. Here are some of my professional certifications:

  • GIAC SANS Defensible Security Architecture & Engineering (GDSA)
  • CISSP (Certified Information Systems Security Professional)
  • CISA (Certified Information Systems Auditor)
  • AWS Certified Solutions Architect - Associate
  • AWS Certified SysOps Administrator - Associate
  • AWS Certified Cloud Practitioner
  • Microsoft Certified: Azure Administrator Associate
  • Microsoft Certified: Azure Fundamentals
  • Google Cloud Certified Associate Cloud Engineer
  • HashiCorp Certified: Terraform Associate
  • CompTIA Security+
  • CompTIA A+
  • CompTIA ITF+
  • Splunk Core Certified User

02.Where I've Worked

Security Engineer @ Capital One

Aug 2025 - Present

  • Working on the Data Protection team specializing in PKI (Public Key Infrastructure) and cryptography
  • Design and implement cryptographic solutions for secure data protection across the organization
  • Manage digital certificates, encryption keys, and cryptographic protocols to ensure data security
  • Collaborate with cross-functional teams to implement and maintain PKI infrastructure and cryptographic standards

03.Some Things I've Built

Featured Project

Cloud Security Architecture

Designed and implemented secure cloud infrastructure for government clients using AWS, Azure, and Terraform. Implemented Zero Trust architecture and compliance frameworks including NIST SP 800-53 and FedRAMP.

  • AWS
  • Azure
  • Terraform
  • Zero Trust

Featured Project

CI/CD Security Pipeline

Developed and maintained secure CI/CD pipelines for cloud-based solutions with automated security scanning, compliance checks, and deployment automation. Integrated Splunk for security monitoring and operational data.

  • CI/CD
  • Splunk
  • DevOps
  • Security

Featured Project

AWS Cloud Migration

Led cloud migration projects for enterprise clients, implementing infrastructure as code with Terraform, ensuring security compliance, and optimizing cloud resource utilization.

  • AWS
  • Terraform
  • Cloud Migration
  • IaC

Other Noteworthy Projects

Security Compliance Automation

Built automated compliance monitoring and reporting systems using Python and cloud-native tools. Implemented controls for NIST, FedRAMP, and FISMA frameworks.

  • Python
  • AWS
  • Compliance
  • Automation

Infrastructure as Code Templates

Created reusable Terraform modules for secure cloud infrastructure deployment across multiple cloud providers. Includes security best practices and compliance configurations.

  • Terraform
  • AWS
  • Azure
  • GCP

Security Monitoring Dashboard

Developed Splunk dashboards for real-time security monitoring, threat detection, and compliance reporting. Integrated with cloud services for comprehensive visibility.

  • Splunk
  • Security Monitoring
  • Cloud
  • Analytics

04. What's Next?

Get In Touch

I'm always open to discussing new opportunities, security projects, or just connecting with fellow tech enthusiasts. Whether you have a question about cloud security or just want to say hi, I'll try my best to get back to you!

Say Hello