Daylight Saving Time Is Not a Feature. It Is an Ambush.
Why the bi-annual clock change is a threat to data integrity, and how to prevent 'The Phantom Hour' from corrupting your payroll and logs.
Lars Parse
The Security Architect Frankfurt → Berlin
Security Architect for European industrial firms. He trusts math, not marketing. Writes here to explain why 'Encrypted at Rest' usually just means 'Amazon has the keys, not you.' He designs systems for people who have secrets worth keeping.
Note: “Lars Parse” is a pseudonym. We use pseudonyms so we can write honestly about real work without naming clients, employers, or teams.
The Procurement Win That Became a Breach: One Checkbox, One Disaster
A case study on how default settings destroy confidentiality. Learn why the 'invite your team' button is a liability trap.
The Invoice That Moved a Month Because the Server Lived Elsewhere
A case study on revenue drift. How reliance on server midnight caused a five-figure reporting discrepancy and an expensive tax audit.
The Timezone Checklist for Forms, Spreadsheets, and PDFs
A practical guide to stopping time-based data corruption. Use this checklist before you design your next form or report.
Your Calendar Is a Compliance System. Admit It.
We treat calendars as personal diaries. Regulators treat them as evidence. Learn why 'Meeting with Client' is insufficient documentation.
The Terms of Service Are a Security Document. Whether We Like It or Not.
The brochure sells you safety, but the Terms of Service sell your data. Learn why the legal fine print is the only security architecture that matters.
If the Vendor Can Reset the Password, They Can Read the File
The 'Forgot Password' button is not a feature; it is a vulnerability. Learn why true privacy requires the risk of losing access.
Draw the Trust Boundary in 15 Minutes. Then Buy Nothing by Accident.
Before you purchase software, you must map the flow of liability. A simple diagram prevents expensive data leaks and failed audits.
Encrypted at Rest Is Not Privacy. It Is Rent.
Why standard cloud encryption does not protect you from subpoenas or vendor curiosity, and the mathematical reality of true data sovereignty.