Intelligence Overview
POSEIDON · MMSI 367754480 · 🇺🇸 US · Primary Port: Galveston
PERIOD: JAN–DEC 2024
Global Rank
#265
of 69,461 vessels
Composite Score
0.9500
CRITICAL
Total Detections
80
Months Active
12/12
Unique Ports
2
Monthly Detection Volume
2024 MONTHLY DETECTIONS
Alert Type Distribution
Key Intelligence Findings
Evasion Navigation — 46 Zigzag Events
Erratic course-over-ground patterns up to 171.7° std deviation, far exceeding the 50° anomaly threshold. Pattern consistent with surveillance evasion maneuvers or anchor position AIS noise.
Port Detection Summary
Monthly Alert Log — All Months
| Month | Detections | Severity | Score | Nearest Port | Alert Types |
|---|---|---|---|---|---|
| January 2024 | 5 | CRITICAL | 0.9000 | Galveston | ZIGZAG |
| February 2024 | 2 | MEDIUM | 0.6895 | Galveston | ZIGZAG |
| March 2024 | 4 | CRITICAL | 0.9000 | Galveston | ZIGZAG |
| April 2024 | 6 | CRITICAL | 0.9000 | Houston | ZIGZAG |
| May 2024 | 7 | CRITICAL | 0.9000 | Houston | ZIGZAG |
| June 2024 | 7 | CRITICAL | 0.9000 | Houston | ZIGZAG |
| July 2024 | 5 | CRITICAL | 0.9000 | Galveston | ZIGZAG |
| August 2024 | 8 | CRITICAL | 0.9000 | Houston | ZIGZAG |
| September 2024 | 7 | CRITICAL | 0.9500 | Galveston | ZIGZAG; SPEED_ANOMALY |
| October 2024 | 8 | CRITICAL | 0.9000 | Galveston | ZIGZAG |
| November 2024 | 12 | CRITICAL | 0.9000 | Galveston | ZIGZAG |
| December 2024 | 9 | CRITICAL | 0.9000 | Galveston | ZIGZAG |
Activity Map
Detection events plotted · Color-coded by alert type · Drag to pan · Scroll to zoom
● Speed Anomaly
● Position Jump
● Zigzag
● Dark Vessel
● Rendezvous
Threat Intelligence
Analytical confidence: HIGH · Multi-indicator assessment
Threat Indicators Matrix
| Indicator | Status | Evidence | Confidence |
|---|---|---|---|
| AIS Blackout / Dark Vessel | NOT DETECTED | — | LOW |
| GPS Spoofing / Position Jump | NOT DETECTED | — | LOW |
| Velocity Fraud / Speed Anomaly | NOT DETECTED | — | LOW |
| Evasion Navigation / Zigzag | CONFIRMED | 46 events · max COG std 171.7° | HIGH |
| Ship-to-Ship Rendezvous | NOT DETECTED | — | LOW |
| Multi-Port Operations | POSSIBLE | 2 unique ports | MEDIUM |
Operational Profile
Primary AO
Galveston and surrounding maritime zone
Active Period
12 months of continuous alert activity in 2024
Alert Density
80 detections across 46 individual events (avg 6.7/month)
Active Techniques
⟳ ZIGZAG
Threat Category
AIS Anomaly — Single or dual technique pattern
TTP Analysis
Tactics, Techniques & Procedures — Maritime ATT&CK Framework
MAR-T003
RTE-ANO-005
Evasion Navigation
Erratic COG changes exceeding 50° threshold (max 171.7°). Consistent with surveillance evasion or at-anchor AIS manipulation. Count: 46 events.
HIGH CONFIDENCE
46 events
46 events
Risk Analysis
Composite risk scoring · Weighted indicator model · Quantus v2.4
Composite Score
0.9500
CRITICAL
Avg Detection Score
0.8866
Global Rank
#265
of 69,461 vessels
Weighted Indicator Scoring
| Indicator | Count | Weight | Contribution |
|---|---|---|---|
| DARK_VESSEL | 0 | ×3 | 0.0 |
| RENDEZVOUS | 0 | ×4 | 0.0 |
| POSITION_JUMP | 0 | ×2 | 0.0 |
| SPEED_ANOMALY | 0 | ×1 | 0.0 |
| ZIGZAG | 46 | ×0.5 | 23.0 |
| MaxSingleScore | 0.9500 | ×50 | 47.5 |
| COMPOSITE TOTAL | Normalized [0,1] | 0.9500 CRITICAL | |
⟳ Zigzag / Erratic Navigation
Indicator: RTE-ANO-005 · 46 events · Max COG std: 171.7°
Total Events
46
Max COG Std Dev
171.7°
Threshold
50°
Zigzag Events (Top 50 by COG deviation)
| Date | COG Std Dev (°) | Score | Severity | Port | Coordinates |
|---|
Port History
2 distinct port areas · US primary flag state
Complete Port Detection Summary
| Port | Country | Detections | Avg Score | Avg Dist NM | Risk |
|---|---|---|---|---|---|
| Galveston | 🇺🇸 | 38 | 0.7946 | 23.3 | STANDARD |
| Houston | 🇺🇸 | 8 | 0.8145 | 15.4 | STANDARD |
🇺🇸 Galveston — Port Profile
38 detections · Avg score 0.7946 · Avg distance 23.3 NM
Total Detections
38
Primary port of operation
Avg Alert Score
0.7946
Avg Distance NM
23.3
Port proximity zone
Detection Types at Galveston
Coordinates: 29.301°N, 94.798°W
Port Intelligence Notes
Port Country
🇺🇸 US
Risk Classification
LOW — Standard port monitoring applies
Detection Share
38 of 46 total detections (82.6%)
Avg Distance from Port
23.3 NM — consistent with port proximity operations
🇺🇸 Houston — Port Profile
8 detections · Avg score 0.8145 · Avg distance 15.4 NM
Total Detections
8
Secondary port
Avg Alert Score
0.8145
Avg Distance NM
15.4
Port proximity zone
Detection Types at Houston
Coordinates: 29.749°N, 95.362°W
Port Intelligence Notes
Port Country
🇺🇸 US
Risk Classification
LOW — Standard port monitoring applies
Detection Share
8 of 46 total detections (17.4%)
Avg Distance from Port
15.4 NM — consistent with port proximity operations
Ownership Intelligence
MMSI registry · Flag state analysis · Beneficial ownership investigation
Vessel Name
POSEIDON
MMSI
367754480
Flag State (MMSI-derived)
🇺🇸 US
MID Code
367 → 🇺🇸 US
Primary Port
Galveston
Detection Period
12 months (2024)
Registered Owner
Pending registry lookup
Beneficial Owner
Requires FinCEN CDD query
OFAC SDN Status
Pending cross-reference
Recommended Action
Physical inspection + full registry query
Vessel Type Analysis
AIS declared type · Physical capability vs. observed behavior
Type Mismatch Assessment
AIS Declared Type
vessel_type=37 (Pleasure Craft)
Behavior Consistency
Requires investigation
Speed Capability
Within or near physical limits for vessel type
Inspection Priority
HIGH — Recommend USCG/CBSA physical boarding and documentation review
Applicable Statutes
47 C.F.R. § 80.953 (AIS falsification) · 33 C.F.R. § 164.46 (AIS carriage) · 21 U.S.C. § 955 (maritime drug law)