# Signal & Shadow

> Independent OSINT and digital forensics publication for investigative journalists and analysts.

## The Signal
- [Issue #003: Iran's unclaimed tanker strikes](https://signalandshadow.io/p/hormuz-tanker-strikes-unclaimed)
- [Issue #002: When the open record fractures](https://signalandshadow.io/p/venezuela-earthquake-damage-verification)
- [Issue #001: The AIS heading field](https://signalandshadow.io/p/ever-lovely-ais-heading-hormuz)

## Guides
- [What is OSINT](https://signalandshadow.io/p/what-is-osint)
- [Telegram OSINT](https://signalandshadow.io/p/telegram-osint-channel-investigation)
- [Email OSINT](https://signalandshadow.io/p/how-to-trace-an-email-address-osint)
- [Maritime OSINT](https://signalandshadow.io/p/maritime-osint-vessel-tracking-investigation-guide)

## Methods
- [Wi-Fi positioning and geo-IP](https://signalandshadow.io/p/wi-fi-positioning-and-geo-ip-locating-by-network-data)
- [Network mapping with Maltego and Gephi](https://signalandshadow.io/p/network-mapping-maltego-gephi)
- [Tracking aircraft with ADS-B](https://signalandshadow.io/p/aircraft-tracking-ads-b-transponder)
- [Detecting deepfakes](https://signalandshadow.io/p/deepfake-detection-video-audio)
- [Audio intelligence](https://signalandshadow.io/p/audio-intelligence-location-context-sound)
- [Chronolocation video](https://signalandshadow.io/p/chronolocating-video-when-footage-was-filmed)
- [Clean research browser](https://signalandshadow.io/p/clean-research-browser-osint)
- [Investigating yourself](https://signalandshadow.io/p/investigating-yourself-osint-dry-run)
- [Investigator welfare](https://signalandshadow.io/p/investigator-welfare-stress-trauma-sustainable-practice)
- [Legal and ethical boundaries of OSINT](https://signalandshadow.io/p/gdpr-osint-lawful-basis-defensible-collection)
- [Visual geolocation](https://signalandshadow.io/p/visual-geolocation-shadows-architecture-terrain)

## AI in OSINT
- [Breach data identity disambiguation](https://signalandshadow.io/p/breach-data-identity-disambiguation)
- [Director name reconciliation](https://signalandshadow.io/p/cross-jurisdiction-director-reconciliation)
- [Source presence verification](https://signalandshadow.io/p/source-presence-verification-prompt)
- [Cross-platform username attribution](https://signalandshadow.io/p/username-cross-platform-attribution-ai)

## OSINT Cards
- [Secure source communications](https://signalandshadow.io/p/secure-source-communications)
- [Property and land registry investigation](https://signalandshadow.io/p/property-land-registry-investigation)
- [Aircraft registration and ownership](https://signalandshadow.io/p/registration-ownership-tracing)
- [AIS and MMSI vessel tracking](https://signalandshadow.io/p/ais-vessel-tracking-osint)
- [Aviation OSINT](https://signalandshadow.io/p/aviation-osint-flight-tracking)
- [Beneficial owner tracing, maritime](https://signalandshadow.io/p/beneficial-owner-tracing-maritime)
- [Company registry research](https://signalandshadow.io/p/company-registry-research-jurisdictions)
- [Conflict zone mapping](https://signalandshadow.io/p/conflict-zone-mapping-osint)
- [Court record research](https://signalandshadow.io/p/court-record-research-osint)
- [Dark web access](https://signalandshadow.io/p/dark-web-access-for-osint-investigators)
- [Environmental sound analysis](https://signalandshadow.io/p/environmental-sound-analysis-osint)
- [Financial record tracing](https://signalandshadow.io/p/financial-record-tracing-across-jurisdictions)
- [Human intelligence sourcing](https://signalandshadow.io/p/human-intelligence-source-identification)
- [Dark vessel behaviour and AIS spoofing](https://signalandshadow.io/p/dark-vessel-behaviour-ais-spoofing)
- [Image geolocation](https://signalandshadow.io/p/image-geolocation-osint)
- [Maritime incident documentation](https://signalandshadow.io/p/maritime-incident-documentation-osint)
- [Neutral language cheatsheet](https://signalandshadow.io/p/neutral-language-cheatsheet-nlc-001)
- [OPSEC for investigators](https://signalandshadow.io/p/investigative-opsec-device-network-security)
- [Phone number analysis and carrier lookup](https://signalandshadow.io/p/phone-number-osint-carrier-lookup)
- [Port state control and inspections](https://signalandshadow.io/p/port-state-control-inspections)
- [Procurement database investigation](https://signalandshadow.io/p/procurement-database-investigation)
- [Reverse image search](https://signalandshadow.io/p/reverse-image-search-osint)
- [Ship-to-ship transfer patterns](https://signalandshadow.io/p/ship-to-ship-transfer-osint)
- [Satellite constellation tracking](https://signalandshadow.io/p/satellite-constellation-tracking-osint)
- [Satellite pollution documentation](https://signalandshadow.io/p/satellite-pollution-documentation-osint)
- [Social media account verification](https://signalandshadow.io/p/social-media-account-verification)
- [Trace a mobile number to a subscriber](https://signalandshadow.io/p/sim-registration-identity-tracing)
- [Verifying casualty and death figures](https://signalandshadow.io/p/verifying-casualty-and-death-figures)

## Products
- [Maritime Intelligence Pack](https://signalandshadow.io/products/maritime-intelligence-pack) — €29
- [OSINT Investigation Workspace](https://signalandshadow.io/products/osint-investigation-workspace) — €99
- [Source Intelligence Tracker](https://signalandshadow.io/products/source-intelligence-tracker) — €79
- [Disinformation Monitoring Dashboard](https://signalandshadow.io/products/disinformation-monitoring-dashboard) — €79
- [Freelance Journalist OS](https://signalandshadow.io/products/freelance-journalist-os) — €79
- [OSINT Investigator](https://signalandshadow.io/products/osint-investigator) — €129