https://tommyeriksen.dk/tags/lessons-learned/Recent content in Lessons learned on tommyeriksen.dkHugoenWed, 21 Oct 2026 00:00:00 +0000https://tommyeriksen.dk/posts/the-day-we-got-phished/Wed, 21 Oct 2026 00:00:00 +0000https://tommyeriksen.dk/posts/the-day-we-got-phished/<p><img src="https://tommyeriksen.dk/posts/the-day-we-got-phished/the-day-we-got-phished.png" alt="Illustration: two people sit on a doorstep in front of a chained door with a big padlock and an &ldquo;Account locked&rdquo; sign, cobwebs in the corner, a stack of coffee mugs beside them, and a wall calendar where almost every day of January is crossed out" /> </p> <p>I worked with security. Lena and I still got phished. Properly, all the way in.</p> <p>A couple of years ago, on a January day with guests on their way, an email arrived saying all of Lena&rsquo;s Facebook ads were about to be shut down. She was scaling up <a href="https://www.lenaeriksen.dk/">her psychotherapy practice</a> at the time, and Facebook was her main channel for finding new clients. So we clicked the link and logged in. Of course we did.</p>https://tommyeriksen.dk/posts/making-myself-redundant/Wed, 30 Sep 2026 14:00:00 +0200https://tommyeriksen.dk/posts/making-myself-redundant/<p><img src="https://tommyeriksen.dk/posts/making-myself-redundant/agent-guardrails-hero.jpg" alt="Small robot agents racing along a track, kept on course by guardrails, towards a human approval gate" /> </p> <p>So. When I did infrastructure engineering, I had a mantra: make yourself redundant. Whatever you&rsquo;re doing, automate it so it can run over and over. That freed me up for the important stuff, like coffee. Or YouTube (which hadn&rsquo;t really been invented yet).</p> <p>Come to think of it, when I made the roadmap for my first PO gig (an operations team), there was a dot on it where it made sense for me to exit and a new skill set to take over.</p>