Archive - Danny's Newsletter

Why Security at Tech Companies is Hard

Cue Tiny Violin 🎻

7 hrs ago •

Email Security Analysis Part lll

Email Investigation Series

Jun 12 •

May 2025

The Umbrella of Cybersecurity

Blue Team, Red Team, What

May 29 •

Free Linux Course

May 8 •

This past week was Security conference week in the Bay Area, with BSidesSf and RSA.

May 1 •

April 2025

Cybersecurity Guide

Available on Gumroad

Apr 24 •

Jack of all trades, master of none...

In this post, I will be talking about a topic that has stood the test of time that often sparks debates in the technical world.

Apr 17 •

Free Cybersecurity Resources

Let’s take a break from looking at the market, and look at some free resources 🙂

Apr 7 •

Email Security Analysis Part ll

As Phishing continues to be one of the top methods for attacker initial access, as seen in Red Canary’s 2025 Threat Detection Report.

Apr 3 •

March 2025

Zooming Out Then Zooming In

Thinking In The Long Term

Mar 27 •

Cert Chasing: Good or Bad?

To Cert or not to Cert?

Mar 13 •

Threat Model: SIM Swapping Revisited

Threat Model Series

Mar 6 •

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