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CyStack Tech Stack

Cybersecurity platform and services for eCommerce, blockchain, and fintech

Information Technology & Services Hanoi, Hanoi 11–50 employees Founded 2017 Partnership

CyStack delivers multiple security surfaces — a crowdsourced bug-bounty platform (WhiteHub), an automated web application scanner, and a password manager — alongside consulting services (penetration testing, smart contract audits, threat intelligence). The tech stack spans Go, C++, Rust, and multiple cloud providers (AWS, GCP, Azure), with active development on endpoint agents for large-scale device management and threat intelligence rule engines. Hiring velocity is accelerating across engineering, sales, and security roles, though the pain-point list reveals scaling pressure on the endpoint agent and a focus on expanding sales in new verticals.

Tech Stack 22 technologies

Core StackGo Linux gRPC C++ Java Python PHP .NET JavaScript Rust AWS Kubernetes Windows macOS Protocol Buffers MQTT C/C++ JavaScript/TypeScript GCP Azure DLP REST

What CyStack Is Building

◆Challenges

Scaling endpoint agent for large device fleet
Seeking new business opportunities
Expanding cybersecurity sales
Ensuring effective service deployment
Maximizing customer value

▲Active Projects

Endpoint agent for large-scale device management
Red-team exercise development
Threat intelligence rule development
Fuzzer and exploit tool creation
Plugin-based system monitoring
Proof of concept deployment
Case study development
Automation tool development

Hiring Activity

Accelerating20 roles · 9 in 30d

Department

Engineering

8

Sales

5

Security

4

Seniority

Intern

8

Mid

5

Junior

2

Senior

2

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About CyStack

CyStack is a cybersecurity and information security company founded in 2017 and based in Hanoi, Vietnam. The company serves businesses and enterprises in eCommerce, blockchain, fintech, and software development. Its portfolio spans three product lines (WhiteHub, CyStack Web Security, and Locker Password Manager) and six service offerings (penetration testing, smart contract audits, threat intelligence, incident response, infrastructure hardening, and stress testing). The organization operates as a partnership with 11–50 employees and is currently hiring across engineering, sales, and security functions.

HeadquartersHanoi, Hanoi

Company Size11–50 employees

Founded2017

Hiring MarketsPhilippines

Frequently Asked Questions

What tech stack does CyStack use?

CyStack uses Go, C++, Rust, Java, Python, and JavaScript/TypeScript. Cloud infrastructure runs on AWS, GCP, and Azure. Operational tools include Kubernetes, gRPC, Protocol Buffers, and MQTT.

What is CyStack working on?

Current projects include an endpoint agent for large-scale device management, threat intelligence rule development, red-team exercises, fuzzer and exploit tools, and plugin-based system monitoring.