2025
SANS ISC Diary - A Tale of Two Phishing Sites
· β˜• 1 min read
A new Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at two phishing sites based on the same phishing kit, that differed significantly (not just) in the level of obfuscation…

Measuring security operations capabilities and improving their maturity, efficiency, and effectiveness
· β˜• 15 min read
To slightly paraphrase Peter Drucker’s famous quote, one can’t manage what one can’t measure. This – of course – holds true even for Computer Security Incident Response Teams (CSIRTs) and Security Operations Centers (SOCs). The only question is, how can we β€œmeasure” what they do in a meaningful way? This is what we will discuss in this article...

10 years of Untrusted Network
· β˜• 1 min read
Today marks the 10-year anniversary of this website. It has changed a lot since 2015, and not just visually, but also in terms of content. And since I thought it would be worthwhile to share something interesting for the anniversary, in this post, you will find some high-level AWStats data that encompasses the entire lifetime of this website…