Anthony SR
Portrait of Anthony Sai Richardo

Jakarta, Indonesia

Anthony Sai Richardo

Penetration testing, cloud security, and web application security.

Cybersecurity graduate specializing in penetration testing, cloud security, and web application security. Experienced in web, API, and mobile testing through internships, CTFs, and independent projects. Built security-focused platforms and internal tools using modern web, cloud, and automation stacks.

Work

Experience

Professional security assessment and tooling work.

Penetration Tester Intern at ITSEC Asia

  • Conducted web, API, and mobile penetration testing across 10+ client projects, contributing to 50+ security assessment mandays using OWASP WSTG and MASTG methodologies.
  • Developed internal security tools using Next.js, Node.js, Python, MongoDB, and Docker to support security assessment workflows.

Build

Projects

Security platforms, monitoring tools, and applied research software.

Floci CTF

Built a hardened version of Floci, a local AWS emulator, for security training usage.

Leoniq

Built a self-hosted uptime monitoring platform using Next.js and PostgreSQL with distributed workers, HTTP/TCP health checks, real-time monitoring, and webhook-based incident notifications.

Myrion

Built a multi-character AI story roleplay platform featuring semantic RAG, adaptive memory, relationship graphs, dynamic world simulation, and real-time AI streaming using Next.js, TypeScript, Supabase, Vercel AI SDK, OpenRouter, DeepSeek, and VoyageAI.

OpenIDX3

Developed an open-source Indonesian stock portfolio analysis platform using Flask and Vue.js with forecasting models, sentiment analysis, and financial data visualization.

Research

Publications

Conference presentations and peer-reviewed security research.

Casino Heist V2

Co-presented a hands-on blockchain security training platform focused on Solidity smart contract vulnerabilities and exploit mitigation techniques.

The Missing S: Securing the Model Context Protocol

Evaluated transformer-based models for detecting command injection attacks in MCP environments. Second Author.

Fake It Til' You Make It? Supervised Machine Learning Approach to Detect Bots on Web3 Airdrops

Compared seven machine learning models for detecting Telegram-based Web3 airdrop bots. First Author.

Stack

Skills

Languages, platforms, and tooling used across assessment and product work.

Programming & Scripting

PythonJavaScriptTypeScriptBash

Web Development

Next.jsNode.jsFlaskTailwind CSSMongoDBMySQLPostgreSQLSupabase

AI / LLM

LangChainLlamaIndexOpenRouterChromaDBVoyageAI

Security & Pentesting

Burp SuiteMetasploitSQLMapNmapFridaJADXKali LinuxWiresharkWazuhSnortVolatility3FTK ImagerAutopsy

Cloud & DevOps

AWSGCPDockerCloudflareVercelGitGitHub ActionsJenkinsNGINXAnsiblePrometheusGrafanaELK StackKong API GatewayRabbitMQ

Study

Education

BINUS University

Activities: PETIR Cyber Security, Freshmen Leader

Credentials

Certifications & Training

Multi-Cloud Blue Team Analyst (MCBTA)Certified Cloud Security Practitioner - AWS (CCSP-AWS)NVIDIA Deep Learning WorkshopID-Networkers Cisco Bootcamp ScholarshipMulti-Cloud Red Team Analyst (MCRTA)Certified AppSec Practitioner (CAP)Dicoding DevOps Scholarship

Community

Organizations

CTF competition work and community leadership.

Koalisi OSINT Indonesia (KOID), Founder

  • Founded an Indonesian OSINT community focused on national and international CTF competitions.
  • Led community participation in multiple OSINT competitions, achieving several national-level placements.

PETIR Cyber Security, Team Member

  • Represented BINUS University in national and international CTF competitions specializing in Web Exploitation, Digital Forensics, and OSINT.
  • Developed 25+ cybersecurity CTF challenges across 10+ competitions covering OSINT, web exploitation, digital forensics, cloud security, and AI attacks.
  • Mentored vocational high school students in web exploitation and cybersecurity fundamentals.

Competition

Awards

National and university-level CTF results.

Finalist Schematics CTF 2025

1st Place GKSK#9 OSINTATHON CTF

2nd Place GKSK#8 OSINTATHON CTF

Finalist Hology 6.0 CTF

1st Place Hack Today CTF 2023

Reach out

Contact

Jakarta, Indonesia. Open to collaboration and security-focused projects.

Connect on LinkedIn

Anthony Sai Richardo

2026