Arvid Berndtsson
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open-source

2 items tagged with open-source

Thoughts (2)

Jul 15, 2025

A Practical Guide to Preventing Subdomain Hijacking

Forgetting to delete an old DNS record can leave you vulnerable to subdomain hijacking. Attackers can claim your unused addresses to host malicious content under your brand's name. Learn how to find and fix these dangling pointers with o...

Mar 18, 2025

Why LazyGit is My Favorite Git Tool (Even Over the CLI)

I’ve used plenty of Git tools—Sourcetree, GitHub Desktop, Gitbutler—but none of them stuck. Then, I found LazyGit. It’s fast, efficient, and keeps the power of Git at my fingertips without the friction of typing everything manually. Here...

Arvid Berndtsson

I help companies keep data safe and build reliable software. Focus areas: ISO 27001, SOC 2, risk management, data loss prevention, incident response, and modern web apps.

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