WiFi / BLE geolocation, RF triangulation, and SDR-based sensing as a cybersecurity architecture layer — paired with Pareto risk analysis for critical infrastructure domains.
Risk Prioritisation
The 80/20 principle applied to cybersecurity risk: identify the vital few causes generating the majority of loss, judicial action, and infrastructure exposure.
Critical Defense Infrastructure
Vulnerability category distribution (% of total findings)
Vital Few: Access Control + Network Exposure account for 64% of all critical defense findings. Fixing these two categories resolves the majority of systemic risk before touching the remaining 36%.
Financial Loss Distribution
Incident type vs. total financial impact (USD, normalized)
Vital Few: Ransomware + BEC/Fraud generate 67% of total financial losses. Endpoint hardening, email gateway controls, and incident response planning deliver maximum return on security investment.
Judicial Rulings by Territory
Cybersecurity / data breach enforcement actions (% of total)
Vital Few: EU/GDPR + US Federal courts issue 63% of all rulings. Organizations with EU data subjects or US-listed securities face the highest enforcement probability; GDPR and SEC disclosure rules are the primary compliance levers.
AuditorSEC · New Module
A layered cybersecurity architecture integrating passive RF sensing, WiFi/BLE geolocation, and SDR-based signal intelligence into the Audityzer audit and monitoring framework.
Security Use Cases
Walk-survey of enterprise or defense campus perimeter with SDR + BLE scanners. Identify unauthorized transmitters, rogue APs, and RF leakage across security zones. Geo-tagged findings delivered as evidence artefacts.
Establish authorized RF baseline for OT/ICS environments (substations, water treatment, transport control rooms). Continuous deviation monitoring flags unauthorized 433MHz, LoRa, or ZigBee transmissions post-baseline.
Academic or CTI research using Wigle and OpenCellID to correlate publicly observed BSSIDs with geographic coordinates. All data is community-contributed and publicly accessible under applicable ToS and data licenses.
Authorized adversarial WiFi simulation: evil twin detection, deauth attack surface mapping, and enterprise WIDS evasion testing. Conducted under written scope — never on uncontrolled networks.
Feed GEO Wireless Stack sensor data into existing WIDS/WIPS (Cisco CleanAir, Fortinet WIDS, Kismet). Geo-enriched alerts enable precise physical response — security dispatch to exact map coordinates rather than general zones.
Automated geo-stamped RF survey reports satisfy ISO 27001 Annex A controls A.7.1–A.7.4 (Physical Security) and SOC 2 CC6.4 (Physical Access Controls). Evidence timestamped and hashed for auditor submission.
Educational Context · Legal Framework
WiFi and cellular OSINT geolocation via Wigle and OpenCellID operates entirely on publicly contributed, voluntarily shared data. Understanding the mechanism, legal basis, and limits is essential for responsible use.
Wigle (Wireless Geographic Logging Engine) is a community-driven database of observed wireless networks. Contributors voluntarily submit BSSID, SSID, and GPS coordinates collected during wardriving or passive scanning. Data is openly accessible via web and API under Wigle's Terms of Service.
OpenCellID is a community-maintained database of cellular base station identifiers (Cell IDs) and their GPS coordinates, published under the Creative Commons Attribution-ShareAlike license. Given a CID + MCC + MNC + LAC/TAC, the API returns the tower's approximate geographic position — enabling network-level geolocation without GPS.
Passive WiFi/cellular OSINT geolocation using publicly contributed databases is generally permissible for research and security purposes, but the legal landscape varies by jurisdiction and use case.
MAC addresses are persistent device identifiers. Under GDPR Article 4, they constitute personal data when linkable to an individual. OSINT geolocation workflows handling MAC addresses must apply data minimisation, purpose limitation, and appropriate retention controls.
| Platform | Signal Type | Data Source | Accuracy | Free Tier | License | Best For |
|---|---|---|---|---|---|---|
| Wigle.net | WiFi 802.11 · BLE | Community wardriving | ~50–200 m (urban) | Yes | Wigle ToS | BSSID → coordinates, WiFi threat intel |
| OpenCellID | GSM · LTE · 5G NR | Community / MVNO data | ~100–500 m | Yes | CC-BY-SA 4.0 | Cell ID → coordinates, cellular OSINT |
| Mozilla Location Services | WiFi · Cellular · GPS | Mozilla / community | ~20–100 m | Deprecated | Open (archived) | Historical reference; use Wigle instead |
| Google Geolocation API | WiFi · Cellular | Google proprietary | ~10–50 m | Limited | Commercial ToS | Production apps (not OSINT research) |
| Combain Mobile API | WiFi · BLE · Cellular | Proprietary + community | ~15–80 m | Trial | Commercial | High-accuracy enterprise geolocation |
Define purpose, jurisdiction, data types. Confirm passive-only observation or obtain written client authorization for active testing.
Capture beacon frames and probe responses in monitor mode. No injection, no deauth. Record BSSID, SSID, RSSI, channel, timestamp.
Query Wigle API and OpenCellID for observed BSSIDs / Cell IDs. Map returned coordinates. Respect API rate limits and ToS.
Apply weighted trilateration or RF fingerprinting. Cluster signals spatially. Identify anomalies against authorized AP inventory.
Generate geo-tagged findings report. Anonymise MAC addresses. Retain data per policy. Submit as audit evidence with legal basis noted.
All content on this page describing wireless signal capture, geolocation techniques, and OSINT methodologies is provided for educational and professional cybersecurity purposes only. Active wireless attacks (deauthentication, evil twin, packet injection, jamming) against networks you do not own or have explicit written authorization to test are illegal under the Computer Fraud and Abuse Act (US), Computer Misuse Act (UK), NIS2 (EU), and equivalent legislation worldwide. Passive observation of beacon frames in publicly accessible RF spectrum is generally legal; always consult local legal counsel before conducting wireless security assessments. MAC address data may constitute personal data under GDPR — apply appropriate data minimisation and retention controls.
Integrate GEO Wireless Stack
GEO Wireless Stack is available as an add-on to any Audityzer Cloud Security Review or as a standalone physical security assessment. Contact us to scope your wireless environment.
Request GEO Wireless Audit View Pricing