Daniel Cho

Hi, my name is

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.

About Me

Daniel Cho

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.

I hold 14 industry certifications across security, cloud, and infrastructure — check out the Certifications section below to see the verified badges.

Where I've Worked

Capital One logo

Security Engineer

@ Capital One

Aug 2025 - Present McLean, VA

  • 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
  • PKI
  • Cryptography
  • Data Protection
  • AWS

Some Things I've Built

Featured Project

BopRush

Mobile arcade game · iPhone & Android

A fast-paced mobile arcade game I designed, built, and shipped end to end. Nine reflex, memory, and timing mini-games in one app, with weekly ranked ladders that reset on a schedule, real-time battle rooms for up to four players, and an XP, level, and badge progression system. Free to play with an optional BopRush Pro subscription handled through in-app purchases.

  • iOS
  • Android
  • Real-time Multiplayer
  • StoreKit
  • Game Design
App Store Google Playboprush.com →

Personal Portfolio Website

The site you are looking at right now. A fully animated portfolio with an interactive particle background, verified Credly certification badges, and light/dark themes.

  • Next.js
  • TypeScript
  • Tailwind CSS
  • Framer Motion

Portfolio v1

My first personal portfolio website, built as a single-page React app and deployed on GitHub Pages — the starting point that eventually became this site.

  • React
  • Bootstrap
  • GitHub Pages

Professional Work

PKI & Cryptography Platform

Data protection engineering at Capital One: designing cryptographic solutions, managing digital certificates and encryption keys, and maintaining PKI infrastructure at enterprise scale.

  • PKI
  • Cryptography
  • AWS
  • Data Protection

Zero Trust Cloud Architecture

Secure cloud infrastructure for NIH and government clients across AWS, Azure, and GCP — Zero Trust in the hybrid enterprise, AWS cloud migration for the STRIDES program, and Terraform infrastructure as code.

  • AWS
  • Azure
  • Terraform
  • Zero Trust

Security Compliance Automation

Automated compliance monitoring and reporting against NIST SP 800-53, FedRAMP, FISMA, and RMF frameworks, with Splunk dashboards for real-time security and operational visibility.

  • NIST
  • FedRAMP
  • Splunk
  • CI/CD

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