# INTELLIGENCE REPORT

---

**REPORT ID:** MEX-INFRA-011
**CLASSIFICATION:** UNCLASSIFIED // FOR OFFICIAL USE ONLY
**DATE:** 2026-01-15
**SUBJECT:** Mexican Government API Infrastructure - Security Assessment
**COUNTRY:** Mexico
**AGENCY:** Multiple (162 Federal Agencies)

---

## EXECUTIVE SUMMARY

A critical security vulnerability has been identified in Mexican federal government data infrastructure. An **unauthenticated API endpoint** at `repodatos.atdt.gob.mx` exposes data from **162 federal agencies** without access controls. Directory listing is enabled, allowing complete enumeration of available datasets. No rate limiting or authentication mechanisms are implemented, enabling bulk data extraction.

---

## KEY INTELLIGENCE

| Metric | Value |
|--------|-------|
| **Agencies Exposed** | 162 |
| **Authentication Required** | NONE |
| **Directory Listing** | ENABLED |
| **Rate Limiting** | NONE |
| **Total Data Accessible** | 14+ GB |
| **PII Records Exposed** | 520,000+ |

---

## VULNERABILITY DETAILS

### Endpoint Information

```
Base URL:       https://repodatos.atdt.gob.mx/api_update/
Protocol:       HTTPS
Authentication: NONE REQUIRED
Directory:      LISTING ENABLED
Method:         GET
Response:       Direct file download
```

### Access Method

```bash
# List all agencies
curl -s https://repodatos.atdt.gob.mx/api_update/

# List agency files
curl -s https://repodatos.atdt.gob.mx/api_update/{AGENCY}/

# Download data file
curl -O https://repodatos.atdt.gob.mx/api_update/{AGENCY}/{FILE}.csv
```

### Security Failures

| Control | Status |
|---------|--------|
| Authentication | NOT IMPLEMENTED |
| Authorization | NOT IMPLEMENTED |
| Rate Limiting | NOT IMPLEMENTED |
| Access Logging | UNKNOWN |
| Directory Listing | ENABLED (Should be disabled) |
| Data Classification | NOT ENFORCED |

---

## EXPOSED AGENCIES (162 Total)

### Critical Infrastructure
- PEMEX (National Oil)
- CFE (Federal Electricity)
- CENAGAS (Natural Gas)
- CAPUFE (Highways)
- AICM (Airport)
- TREN MAYA (Rail)

### Financial/Tax
- SAT (Tax Authority)
- HACIENDA (Finance)
- BANXICO (Central Bank)
- NAFIN (Development Bank)
- CONSAR (Pension Regulation)

### Security/Immigration
- INM (Immigration)
- SRE (Foreign Relations)
- SFP (Public Function)

### Social Services
- IMSS (Social Security)
- ISSSTE (Public Workers)
- BIENESTAR (Welfare)
- SEP (Education)

### And 140+ additional agencies...

---

## IMPACT ASSESSMENT

### Data Exposure Summary

| Category | Records | Risk |
|----------|---------|------|
| Taxpayer PII | 464,153 | CRITICAL |
| Sanctioned Officials | 809 | HIGH |
| Notary Addresses | 1,396 | HIGH |
| Crime Victims | ~50,000 | HIGH |
| Procurement Contracts | 2,851,250 | MEDIUM |
| Immigration Records | 1,980,000 | LOW |

### Threat Scenarios

1. **Mass Data Harvesting** - Bulk download of all exposed data
2. **Identity Theft** - Use of taxpayer PII for fraud
3. **Targeted Attacks** - Use of notary addresses for physical targeting
4. **Witness Intimidation** - Crime victim data misuse
5. **Corruption Research** - Sanctioned officials cross-referenced with contracts

---

## TECHNICAL ASSESSMENT

### Infrastructure Analysis

| Component | Assessment |
|-----------|------------|
| Server | Apache/nginx (standard) |
| TLS | Valid certificate |
| Headers | Minimal security headers |
| API Design | Simple directory structure |

### Data Format
- All files in CSV format
- UTF-8 encoding (primarily)
- Spanish language headers
- Variable data quality

---

## REMEDIATION RECOMMENDATIONS

### Immediate (0-7 days)
1. **Disable directory listing** at web server level
2. **Implement authentication** (API key minimum)
3. **Review PII datasets** for immediate removal

### Short-term (7-30 days)
4. **Implement rate limiting** to prevent bulk downloads
5. **Add access logging** for audit trail
6. **Data classification review** for all 162 agencies

### Medium-term (30-90 days)
7. **Role-based access control** for sensitive data
8. **Data anonymization** where PII not required
9. **Security audit** of full infrastructure

---

## RESPONSIBLE DISCLOSURE

### Recommended Contacts

| Entity | Role |
|--------|------|
| CERT-MX | National CERT |
| INAI | Data Protection Authority |
| SFP | Government oversight |
| Agency CISOs | Individual agencies |

### Disclosure Timeline Recommendation
- Immediate notification to CERT-MX
- 90-day remediation window
- Coordinated public disclosure if unresolved

---

## SOURCE ASSESSMENT

| Factor | Assessment |
|--------|------------|
| **Discovery Method** | OSINT reconnaissance |
| **Verification** | Direct access confirmed |
| **Data Freshness** | January 2026 (Active) |
| **Confidence** | HIGH |

---

## DATA LOCATION

```
Local Repository: C:\Users\Squir\Desktop\Mexico\
Total Downloaded: 14 GB
Agencies: 118 of 162
Files: 1,675 CSV files
```

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**PREPARED BY:** ________________________
**REPORT END**