Ian Spence

Ian Spence

Site Reliability Engineer & Information Security Professional

skyline of downtown vancouver

About Me

I am a site reliability engineer & information security professional based in Vancouver, British Columbia, Canada, on the stolen territories of the xʷməθkʷəy̓əm (Musqueam), Sḵwx̱wú7mesh (Squamish), and səlilwətaɬ (Tsleil-Waututh) Nations.

I am the creator and developer of TLS Inspector: a free & open source iOS app trusted by hundreds of thousands of users across the world to help protect their privacy online. Additionally, I maintain a number of TLS and security related open source projects. My most notable work is described below and more can be found on my Github profile.

My Work

TLS Inspector icon

TLS Inspector

Technologies used: Swift, Objective-C, OpenSSL, C

Free WiFi, workplace internet, and computer viruses can put your personal information at risk. With TLS Inspector you can verify the secure connection information of any website and ensure that your information is private.


Technologies used: TypeScript, Electron.js, React.js, Golang, Web Assembly (WASM)

Easily import & generate many X.509 certificates for a wide variety of use cases in your browser or on your desktop.

Root CA Bundles

Technologies used: Golang, Docker, GitHub Actions

Automatically updated root CA certificate bundles from Apple, Google, Microsoft, and Mozilla.


Technologies used: TypeScript, React.js, Golang, Docker

An automation toolkit for UNIX-like computers. It's designed to be fast, efficient with thousands of hosts, and have minimal requirements on targets.

Contact Me

I can be reached on Mastodon, Signal, or regular unencrypted Email.

I look forward to discussing my work with you, however, I must ask that you do not contact me regarding employment oppertuinities. If I do not respond to your message, please take that as a clear indication that I am not interested.


You can find me at @[email protected] on the fediverse.


Send your message to +1 (778) 654-4672 using Signal. Please note that regular SMS, phone calls, and other messaging apps (like WhatsApp, Telegram) will not work with this number.


Please send your email to [email protected]Do not include any private information in your message. I use Google Workspace for email and your message will be stored on Google Servers. For all secure or private communication you must use Signal.