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David Faulkner

Minimalist Computer Science

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Davo

How to Set Up a Cheap, Fast, Post-Quantum VPN on AWS

July 29, 2026May 8, 2025 by Davo
Laptop showing AWS EC2 dashboard with WireGuard overlay and glowing lock tunnel representing secure VPN connection

Set up a secure, high-speed VPN using WireGuard on AWS. This guide is built for pro users and walks through a lightweight, hardened, post-quantum-ready setup on a t4g.nano instance.

Categories Security & Privacy Tags AWS, Cloud, Cybersecurity, EC2, Encryption, Fail2Ban, Linux, Online Privacy, Post-Quantum, Secure Systems, Self-Hosting, Tools, UFW, VPN, WireGuard Leave a comment

What is a Gravatar — and How It Makes Online Communities Better

July 29, 2026April 27, 2025 by Davo
Close-up of a computer screen showing a default user avatar icon, with a second blurred screen in the background displaying multiple profile icons, symbolizing online identity and community.

Gravatars add a face to your name online, making communities feel more real, personal, and trustworthy. Here’s how to set yours up and join the conversation.

Categories Foundations Tags Community Building, Digital Identity, Foundations, Gravatar, Trust and Credibility, User Experience, WordPress Leave a comment

Why Two-Factor Authentication (2FA) Is Essential for Online Security

July 29, 2026April 27, 2025 by Davo
Smartphone displaying an authenticator app with 6-digit security codes, resting on a blurred laptop keyboard, blue-toned lighting

Even strong passwords can be stolen or phished. Two-factor authentication (2FA) adds a crucial second layer of protection. Learn why it matters, how it works, and why it’s one of the simplest upgrades you can make to protect your digital life.

Categories Foundations Tags 2FA, Account Security, Authenticator Apps, Cybersecurity, Digital Security, Foundations, Hardware Security Keys, Online Privacy, Protect Your Accounts, Secure Systems, Tools, Two-Factor Authentication Leave a comment
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Recent Posts

  • How to Set Up a Cheap, Fast, Post-Quantum VPN on AWSMay 8, 2025
    Set up a secure, high-speed VPN using WireGuard on AWS. This guide is built for pro users and walks through a lightweight, hardened, post-quantum-ready setup on a t4g.nano instance.
  • What is a Gravatar — and How It Makes Online Communities BetterApril 27, 2025
    Gravatars add a face to your name online, making communities feel more real, personal, and trustworthy. Here's how to set yours up and join the conversation.
  • Why Two-Factor Authentication (2FA) Is Essential for Online SecurityApril 27, 2025
    Even strong passwords can be stolen or phished. Two-factor authentication (2FA) adds a crucial second layer of protection. Learn why it matters, how it works, and why it’s one of the simplest upgrades you can make to protect your digital life.
  • Why You Need a Password Manager (and Why Bitwarden Is My Choice)April 26, 2025
    Using strong, unique passwords is critical for staying safe online—but no one can remember hundreds of them. In this post, I explain why password managers like Bitwarden are essential for anyone serious about protecting themselves (and their inner circle), especially in tech fields like AI.
  • Welcome to davo.coApril 22, 2025
    davo.co is where I document my transition into AI research—from systems thinking and ethics to real-world infrastructure. If you're curious about thinking machines, you’re in the right place.

Explore by Concept

2FA (2) About Davo (1) Academic Journey (1) Account Security (1) AI Research (1) Artificial Intelligence (1) Authenticator Apps (1) AWS (1) Bitwarden (1) Cloud (1) Community Building (1) Cybersecurity (3) Data Protection (1) Digital Hygiene (1) Digital Identity (1) Foundations (4) Online Privacy (3) Secure Systems (4) Tools (3) Two-Factor Authentication (2)

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