Arvid Berndtsson
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infosec

4 items tagged with infosec

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A surveillance camera graffitied on a concrete wall
Sep 15, 2025

Chat Control 2.0: A Dangerous Path Toward Mass Surveillance

The European Union stands at a critical crossroads in digital privacy and civil liberties. The proposed Chat Control 2.0 regulation, formally known as the Child Sexual Abuse Regulation (CSAR), is one of the most sweeping surveillance proposals ever considered by a democracy. Framed as a child protection measure, it would actually establish an unprecedented mass surveillance infrastructure that undermines the fundamental right to private communication.

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...

Jun 18, 2025

A History of How We Name Hackers

Why is one hacker group called both FANCY BEAR & APT28? Different security companies use different names, which creates confusion. Here's a quick history of how we got into this mess and how the industry is finally starting to fix it.

Jun 12, 2025

Making Dangerous Links a Little Less Dangerous: A Quick Word on Defang-ing

Ever received an email, a chat message, or stumbled upon a link online that just made your internal alarm bells go off? You know, that link that looks a bit... off. Maybe there's a typo in the domain name, or it seems to lead to a place ...

Arvid Berndtsson

I help companies build practical security programs and reliable software. Focus areas: ISO 27001, SOC 2, secure development, incident readiness, AI governance, and modern web apps.

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