Browser to Breach: Passive Intel Gathering 101 — field manual for silent reconnaissance

Browser to Breach: Passive Intel Gathering 101 — a step by step field manual for silent reconnaissance.

This is a practical, readable playbook. It turns public breadcrumbs into a map you can act on. No theory theater. No fluff. Everything here is a command, a query, or a script you can run the same day.

What you get

• A 1500 plus word, step by step guide that walks you from setup to reporting.
• Tool checklist and exact commands for DNS, certlogs, archives, GitHub sweeps, and metadata extraction.
• Subdomain discovery and passive host mapping with prioritization rules.
• Document and image forensics procedures with commands to extract metadata.
• Automation pipeline outline and sample workflow to scale recon.
• Triage rubric and a ready made report template that defenders can read and act on.
• Legal and OPSEC rules so you avoid crossing lines and keep provenance intact.

Who this is for

• Blue teamers who want to find what attackers will find.
• OSINT operators who want clean, repeatable processes.
• Consultants who need a concise recon playbook to hand clients.
• Curious, careful researchers who need structure and proof.

Format:
Plain English. Tactical steps. Copy paste ready commands and queries. Actionable in one session.

Buy the guide if you want to stop guessing and start mapping.