Welcome

Welcome to my digital space! Here, you’ll find a collection of projects and insights, focusing on:

  • Cybersecurity: Explore guides and projects related to server security, firewalls, network monitoring, and more.
  • Electronics & Automation: Discover projects involving sensors, microcontrollers, and home automation.
  • Cloud Computing: Learn about building cloud infrastructure, home servers, and utilizing tools like Terraform and Docker.
  • Networking: Discover how to build various networks using different methods, including long-range communication networks.
  • Travel & Security: Get insights on staying secure while traveling and using travel routers to enhance connectivity and protect your data.

I hope you find your visit enjoyable and the content enriching. Don’t hesitate to reach out if you have any questions or just want to connect!

Tobias Klingel

Tobias Klingel

Head of Information Security

Aspire

About the author

Tobias Klingel is a seasoned Head of Information Security with extensive experience across MNCs, startups, and SMBs in Singapore, the USA, and Germany. His academic pursuits in the UK, Korea, Taiwan, and Germany have shaped his global perspective on cybersecurity. Tobias excels in developing CISO strategies that seamlessly integrate cyber risks into broader technology and enterprise risk management, fostering a security first culture across all levels of an organization.

He is adept at maximizing cybersecurity on a budget by mapping value to risk and provides a strategic blueprint for implementing critical controls to ensure cyber resilience in the financial services industry. In his free time, he builds innovative IoT solutions, designs and 3D prints custom casings, repurposes hardware for advanced IT systems, and applies large language models (LLMs) to automate daily tasks, enhancing operational efficiency and optimizing cybersecurity processes.

Interests

  • AI
  • Cybersecurity
  • Software development
  • Electronics

Education

  • M.Sc. Engineering and Business Administration, 2018

    Darmstadt University of Applied Sciences - Germany

  • BEng Information and Communication Technology, 2015

    Technische Hochschule Mittelhessen - Germany

Industry Insights

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DICYFOR Security Summit 2025

This arctile explores the evolving cybersecurity landscape, AI as a support tool, essential practices and the need for ongoing skills development.

Corinium Podcast

Use AI and cloud tech to boost security. This podcast examines AI-driven defenses, secure cloud adoption, and strict compliance in Financial Services.

Cybersecurity in Fintech, insights from Singapore 🇸🇬 to Tanzania! 🇹🇿

SFA and Common Purpose hosted a CRDB Bank event on ‘Cybersecurity in Fintech – Leadership and Innovation,’ covering Singapore’s regulations, cybersecurity maturity, key tools, and incident response.

Startup Security Roundtable

Key takeaways from the Startup Security Roundtable for Tech Co-Founders, focusing on practical security advice for building secure and successful tech startups.

Navigating Cybersecurity in the Browser Age

This podcast explores the browser as a key attack surface in cybersecurity and shares insights from Tobias Klingel on managing security in startups and multinationals.

Singapore FinTech Festival 2024

The Role of Third-Party Risk Management in Cybersecurity Talent Development

Goveware 2024

Insights and reflections from the GovWare 2024 event, focusing on Cyber Governance and Cyber Risk Management in the Age of Gen AI

The Next Generation of Cybersecurity Talent in Singapore

Red Alpha Cybersecurity tackles the talent shortage through its “Alphas Assemble Club,” linking industry leaders and aspiring professionals in Singapore for mentorship and career insights.

SFA, Mastering MAS TRM

MAS TRM mandates risk assessments, cyber hygiene, incident response, and third-party risk controls for FIs. This guide offers audit readiness strategies and boosts resilience.

Forefront Events, Cyber Resilience Summit Singapore 2024

The Cyber Resilience Summit Singapore 2024 panel discussed the CISO’s evolving role, AI in cybersecurity, resilience strategies, collaboration, burnout management, and key priorities.

SFA, Incident Response Master Class

A technical masterclass equipping cybersecurity professionals with industry-standard strategies and practical exercises for effective incident response planning.

Div0, Cybersecurity Career Guide for Beginners

Practical cybersecurity career guide for beginners, featuring Div0 event insights. Explore career paths, essential skills, certifications and hands-on tips.

BlackHat 2022

Insights and reflections from the GovWare 2024 event, focusing on Cyber Governance and Cyber Risk Management in the Age of Gen AI

Self-hosting

Building your own infrastructure

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Home Lab with Refurbished Thin Clients

A detailed guide on constructing a low-power, cost-effective Kubernetes home lab using refurbished Lenovo and HP thin clients.

Evolution of a Grafana-Powered Home Automation Dashboard

A deep dive into the journey of building and evolving a standalone Grafana dashboard for real-time home automation metrics. From Version 1.0 to 2.0, see how enhanced data visualization improves smart home monitoring.

Building a 10Gbps Home Firewall on a Budget

Transform an old HP t730 Thin Client into a high-performance 10Gbps home firewall using pfSense, dual SFP+ NICs, and affordable components. Achieve enterprise-grade routing and VPN performance at a fraction of the cost.

High-Performance Proxmox Homelab Server Build

A detailed technical overview of a self-built 128GB RAM, water-cooled Proxmox server that excels in virtualization, networking, AI workloads, and cybersecurity simulations—all backed by rigorous benchmarks and industry data.

Revolutionizing Remote Server Management: The Affordable TinyPilot DIY KVM

Discover how to build a cost-effective, industry-standard remote KVM solution using a Raspberry Pi 4, a USB to HDMI capture card, and TinyPilot software—all for just $45 USD.

Enhancing On-the-Go Connectivity with Travel Routers

A comprehensive guide on utilizing travel routers to secure and optimize internet connectivity while traveling, focusing on the benefits of using GL.iNet’s routers for a seamless experience.

Building Your Own Cloud Home Server

A project focused on creating a home server for storage, Docker container hosting, and virtual machine management, utilizing a mini-ITX case and TrueNAS for an efficient and affordable solution.

Multi-Kilometer Texting Without Using the Internet

Creating a secure, low-power, long-range communication network off the grid using LoRa technology, enabling text messaging and GPS location sharing without cellular data or Wi-Fi.

Building a Hardware Firewall with pfSense

A comprehensive guide on setting up a hardware firewall using pfSense, focusing on network isolation, monitoring, and protection against unauthorized access and malware.

Building a Powerful 3.8 Liters Mini Server

A project focused on constructing a cost-efficient mini PC with a minimum of 64GB of RAM and multiple high-speed disks for personal infrastructure.

IT Infrastructure Monitoring with Grafana, InfluxDB, and Telegraf

A comprehensive guide on monitoring IT infrastructure using Grafana for visualization, InfluxDB for data storage, and Telegraf for statistics collection, all running in a Docker environment.

AI + Security

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AI-Driven Podcasts

Two AI-generated podcasts addressing key cybersecurity issues. One adapts the OWASP LLM checklist into a guide for mitigating AI threats, while the other summarizes findings from the ISACA 2024 State of Cybersecurity report.

Software Development with AI-Powered Tools

Leverage AI-powered code editors like Cursor to rapidly prototype and enhance software projects.

Deepfakes, the Simplicity of Creation and Associated Security Risks

A technical deep dive into the ease of creating deepfakes, the underlying AI techniques, required skill levels, evolving accessibility, and the associated security risks with data-backed insights.

Hardening Ubuntu Server with Lynis, ChatGPT-4, and Ansible

This article showcases an innovative approach for enhancing server security on Ubuntu using Lynis for auditing, ChatGPT-4 for generating Ansible playbooks, and Ansible for applying security hardening measures.

Electronic projects

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Building a Wi-Fi Router UPS for Under $8

A comprehensive guide to creating a cost-effective Uninterruptible Power Supply (UPS) for Wi-Fi routers, ensuring connectivity during power outages.

Urine Analysis with OpenCV

A project focused on analyzing urine test strips using image recognition technology, leveraging a Raspberry Pi and OpenCV for automated health insights and data storage.

AS3935 Lightning Sensor with ESP32

A comprehensive guide to using the AS3935 lightning sensor with an ESP32 development board, including setup instructions, schematic diagrams, and component details.

DS18B20 Temperature Sensor with ESP32

A detailed guide on measuring temperature using the DS18B20 temperature sensor with an ESP32 development board, including setup instructions, schematic diagrams, and component details.

Helium GPS

A comprehensive guide to building a prototype device that transmits GPS location data to the Helium (Lora) network using an ESP32 development board, including step-by-step instructions and testing insights from the project.

LCD1602 16x2 Display with ESP32

A comprehensive guide to using the LCD1602 16x2 display with an ESP32 development board, including setup instructions, schematic diagrams, and component details.

ML8511 UV Sensor with ESP32

A comprehensive guide to using the ML8511 UV sensor with an ESP32 development board, including setup instructions, schematic diagrams, and component details.

Noise Detection with KY-037 and ESP32

A detailed guide on implementing noise detection using the KY-037 sensor with an ESP32 development board, including setup instructions, schematic diagrams, and component details for visualizing noise levels in InfluxDB.

SDS011 Particle Sensor with ESP32

A comprehensive guide to using the SDS011 particle sensor with an ESP32 development board, including setup instructions, schematic diagrams, and component details for measuring PM 2.5 and PM 10 air particle counts.

SGP30 TVOC Sensor with ESP32

A comprehensive guide to using the SGP30 TVOC sensor with an ESP32 development board, including setup instructions, schematic diagrams, and component details.

Ultrasonic Distance Measuring with HC-SR04 and ESP32

A comprehensive guide to using the HC-SR04 ultrasonic sensor with an ESP32 development board, including setup instructions, schematic diagrams, and component details for measuring distance in centimeters.

Waveshare 4.2inch e-Paper Display with ESP32

A comprehensive guide to using the Waveshare 4.2inch e-Paper display with an ESP32 development board, including setup instructions, schematic diagrams, and component details for displaying sensor measurements and icons.

Collecting data from plants and indoor air treatment devices

This article discusses the process of collecting and storing sensor data from various indoor air treatment devices and plant sensors using a Raspberry Pi Zero and MongoDB for future analysis.

Home automation

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Home automation with zigbee

Using Zigbee and a Raspberry Pi Zero for my home automation