The Unified Log: Reading macOS Like a Forensic Analyst

Every event on a Mac leaves a trace in the unified log. A keychain query, a TCC denial, a launch failure, a TLS handshake, a screen recording start — all of it lands in a structured store that most users never see and most developers never learn to query. This book teaches you to read it.

It walks the os_log and OSLog APIs that produce entries, the predicate grammar that filters them, the five pers...