Andrew Hoffman

Security Architect & O’Reilly Author

About

Software & Security Architect | O’Reilly Author | InfoSec Expert - Deep expertise in application security, security engineering & secure software architecture - Author of Web Application Security: Exploitation and Countermeasures for Modern Web Applications (O'Reilly 2020 & 2024) - Developer and maintainer of security & privacy focused life tracker iOS app LogZero: https://logzero.app/

Links

Website

LogZero iOS App

Web App Security Book

Badges

Tastemaker

Maker History

LogZero: Private Life TrackerThe most private & secure health & fitness app on iOS
Aug 2026

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Joined Product HuntJune 16th, 2026

Forums

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2d ago

LogZero: Private Life Tracker - The most private & secure health & fitness app on iOS

LogZero is a privacy focused tracker app for mood, meds, food, exercise, medication, weight, todos, meditation and more. 100% on-device, no network calls, no telemetry, no ads, no data sharing, no data sales. 100% built with security and privacy baked into it's DNA - and built by an expert security architect. Free to use forever, with additional features behind a fairly priced and transparent pro membership - with optional one-purchase lifetime membership for those who reject subscriptions.