Taxly E-Invoicing
Security Ecosystem

Comprehensive security architecture for FIRS compliance. Military-grade protection powering B2B and B2C electronic invoicing across Nigeria.

πŸ”’ Taxly E-Invoicing Ecosystem

Comprehensive Security Architecture for FIRS Compliance - Powering B2B and B2C Electronic Invoicing Across Nigeria

🌐 The Nigerian E-Invoice Access Point

Taxly operates as Nigeria's premier FIRS-certified access point within the 5-corner e-invoice framework. We provide the foundational compliance infrastructure that businesses rely on for secure, validated invoice transmission to tax authorities. Vendra handles B2B vendor management, Akraa provides specialized industry solutions, and ATRS delivers B2C fiscalization for retail and hospitalityβ€”all protected by military-grade security architecture.

FIRS Certified 5-Corner Framework Military-Grade Security

πŸ“± Business Applications Layer

Multi-tier business solutions with comprehensive security integration

βœ“

Vendra

End-to-end vendor lifecycle platform: Streamlined KYC onboarding, purchase order orchestration with FIRS formatting, IRN generation for clients without ERP systems, and bidirectional invoice flow management.

Multi-tier access including WhatsApp-native interface
Full-featured enterprise portal
πŸ” SSO Integration πŸ›‘οΈ 2FA Required πŸ’¬ WhatsApp E2E πŸ“Š Bulk CSV πŸ”’ IRN Generation
β–³

Akraa

Specialized invoicing solution built on Taxly's compliance engine, designed for specific business verticals with industry-tailored workflows and automation.

πŸ” OAuth 2.0 πŸ”‘ API Access πŸ›‘οΈ MFA
πŸͺ

ATRS Fiscalization

B2C fiscalization platform integrated with hotel PMS systems: Real-time receipt generation, fiscal device connectivity, automated tax reporting, and seamless guest transaction processing with FIRS compliance.

🏨 Hotel PMS 🧾 Real-Time Receipts πŸ” Device Security πŸ“Š B2C Compliance

πŸ”’ Application-to-Core Security

All traffic between business applications and Taxly core uses TLS 1.3 with perfect forward secrecy. Authentication via OAuth 2.0 bearer tokens with 60-minute validity and automatic refresh mechanisms.

πŸ”„ Vendra Platform Components

Comprehensive vendor management with automated workflows and security integration

βœ…

Onboarding Engine

Automated vendor verification pipeline: Identity validation, tax compliance verification, financial checks, and risk assessment with minimal manual intervention.

πŸ“‹ Document OCR πŸ” Encrypted Vault βœ… FIRS Verification
πŸ“„

PO Orchestration

Purchase order lifecycle management: Creation, FIRS-compliant formatting, multi-channel distribution (WhatsApp/Portal), and acknowledgment tracking with deadline enforcement.

πŸ”„ Auto-Transform πŸ“± WhatsApp Bot βœ… Status Tracking
πŸ“¨

Invoice Routing

Intelligent invoice reception and distribution: Receive FIRS-validated invoices from suppliers, perform three-way matching, and route to enterprise accounting systems with format translation.

βœ… 3-Way Match πŸ”„ ERP Connectors πŸ“Š Format Bridge
πŸ’¬

WhatsApp Lite

Mobile-first vendor experience: Conversational interface for PO confirmations and guided invoice creation - zero software installation required.

πŸ“± Zero Install πŸ” SMS Verification βœ… Simple UX

πŸ”‘ Authentication Framework

Layered authentication strategy - OAuth 2.0 for web/API clients, SMS-based OTP for WhatsApp users, mandatory 2FA for administrative functions. All sessions expire after 15 minutes of inactivity.

πŸ›‘οΈ Security Perimeter

Advanced threat protection with multi-layered defense mechanisms

πŸ”₯ Threat Protection

Advanced threat detection and mitigation: Machine learning-powered WAF, volumetric DDoS absorption, and intelligent bot filtering with challenge mechanisms.

ML-Powered WAF
DDoS Shield
Bot Defense

πŸšͺ API Gateway

Centralized request management: Token validation, request throttling, payload inspection, and response sanitization with zero-trust verification.

JWT Verify
Rate Control
Schema Check

βš–οΈ Load Distribution

High-availability traffic management: Geographic distribution across multiple zones with health-aware routing and automatic failover.

Multi-Zone
Health Aware
Auto-Failover

πŸ” Perimeter Defense

Three-tier security filtering - Layer 7 application firewall blocks injection attacks, API gateway enforces business logic, and load balancer maintains availability targets exceeding 99.9% uptime.

Layer 7 WAF

Blocks injection attacks and malicious payloads

API Gateway

Enforces business logic and schema validation

Load Balancer

Maintains high availability and performance

βš™οΈ Taxly Core Platform

FIRS-certified infrastructure with cryptographic security and government integration

πŸš€ Taxly Compliance Engine

FIRS-certified access point infrastructure: Accept invoices from any source, enforce Nigerian tax authority specifications, apply cryptographic signatures, and guarantee delivery to government systems with full audit trails.

FIRS Certified
Schema Enforcement
Complete Audit
Format Bridge

✍️ Cryptographic Signing

Hardware-secured signature generation: PKI-based invoice signing using FIPS 140-2 Level 3 certified hardware security modules with private keys that never enter software memory.

HSM-Backed
PKI Chain
Timestamp

πŸ“± Verification Codes

Tamper-evident QR generation: Cryptographically-bound visual codes containing signature references, IRN identifiers, and public verification URLs.

Crypto-Bound
Tamper-Proof
Public Verify

✍️ Digital Signature Chain

Complete non-repudiation guaranteed through SHA-256 cryptographic hashing β†’ Hardware security module signing with 2048-bit RSA β†’ PKCS#7 standardized envelope β†’ RFC 3161 timestamp authority verification.

1

SHA-256 Hash

2

HSM Signing

3

PKCS#7 Envelope

4

Timestamp Authority

πŸ›οΈ Government Integration

Secure connection to FIRS with fault-tolerant submission and resilience mechanisms

πŸ›οΈ FIRS Connection

Dedicated government gateway: Private network tunnel to Federal Inland Revenue Service with mutual certificate authentication and connection-level encryption.

Private Tunnel
Mutual TLS
IP Restricted

πŸ”„ Resilience Layer

Fault-tolerant submission: Intelligent retry logic with exponential backoff, circuit breaker patterns, and automated daily reconciliation against FIRS records.

Smart Retry
Circuit Break
Auto Reconcile

πŸ›οΈ FIRS Protocol

Government-issued X.509 certificates enable mutual authentication. Dedicated VPN tunnel isolated from public internet. Source IP verification prevents unauthorized access. Circuit breaker activates after 5 consecutive failures.

X.509 Certificates

Government-issued for mutual authentication

Dedicated VPN

Isolated from public internet

Circuit Breaker

Activates after 5 consecutive failures

πŸ’Ύ Compliance & Archival

Regulatory-compliant storage with immutable records and comprehensive audit packages

πŸ”’ Immutable Archive

Regulatory-compliant storage: Write-once-read-many architecture with cryptographic integrity seals, maintaining unalterable records for 7-year mandatory retention period.

AES-256 Encryption
Tamper-Seal
7-Year Retention

πŸ“‹ Evidence Bundles

Comprehensive audit packages: Complete transaction documentation including original submission, signatures, government receipts, timestamps, and processing logs - exportable in standard formats.

Full Package
Multi-Format
Searchable

πŸ’Ύ Archive Integrity

SHA-256 checksums computed at write-time prevent silent data corruption. Physical separation from operational systems. Geo-redundant replication within Nigerian territory. Automatic lifecycle management enforces retention policies.

SHA-256

Integrity checksums

Physical Separation

From operational systems

Geo-Redundant

Within Nigeria

Lifecycle Management

Automatic enforcement

πŸ‘οΈ Security Operations

Real-time monitoring, threat intelligence, and comprehensive audit systems

πŸ“Š Threat Intelligence

Real-time security analytics: Centralized log aggregation, behavioral anomaly detection, and correlation across all system components with automated incident escalation.

Real-Time
ML Detection
Correlation

πŸ“ Audit System

Tamper-evident logging: Cryptographically-chained audit records with 90-day immediate access and long-term cold storage for regulatory requirements.

Hash Chain
Encrypted
Timestamped

πŸ›‘οΈ Intrusion Defense

Multi-layer threat detection: Network and host-based intrusion detection with signature matching, anomaly detection, and automated response capabilities.

Network IDS
Host EDR
Auto-Block

πŸ’Ύ Disaster Recovery

Business continuity assurance: Continuous replication with 15-minute recovery point objective and 2-hour recovery time objective backed by quarterly disaster recovery exercises.

Continuous
Encrypted
Multi-Region

πŸ’Ύ Data Protection

Comprehensive data security with encryption at rest and in transit, access controls, and regular security assessments.

AES-256
Access Control
Compliance

πŸ‘οΈ Monitoring

24/7 security monitoring with SIEM integration, automated alerting, and incident response procedures.

SIEM Integration
Auto Alerting
Incident Response

πŸ” Security Controls Reference

Transport Security

TLS 1.3 with forward secrecy and certificate pinning

Cryptography

AES-256 storage, RSA-2048 signatures, SHA-256 hashing

Identity

OAuth 2.0, mutual TLS, MFA, SMS OTP, WhatsApp E2E

Compliance

Hash-chained logs, WORM archive, SIEM correlation

πŸ”’ Complete Security Flow (B2B & B2C)

End-to-end security process from client authentication to immutable archival

1

πŸ‘€ Client Authentication

Users authenticate via OAuth 2.0 (enterprises), SMS OTP (WhatsApp), or API keys (system integrations). Mandatory 2FA for privileged operations.

OAuth 2.0 SMS OTP API Keys Mandatory 2FA
2

✍️ Vendra: PO Creation

Enterprise creates purchase order through web portal or bulk CSV upload. Automatic transformation into FIRS-compliant XML structure.

Web Portal Bulk CSV FIRS XML
3

πŸ“± Vendor Delivery

PO transmitted via WhatsApp bot (Lite) or vendor portal (Enterprise) with end-to-end encryption and delivery confirmation.

WhatsApp Bot Vendor Portal E2E Encryption
4

πŸ’¬ Vendor Response

Supplier acknowledges PO and creates invoice using conversational WhatsApp interface or structured web forms.

Conversational UI Web Forms Zero Install
5

πŸ” Encrypted Transit

Invoice data travels over TLS 1.3 encrypted channels with perfect forward secrecy and certificate pinning.

TLS 1.3 Perfect Secrecy Cert Pinning
6

πŸ›‘οΈ Perimeter Security

Traffic passes through WAF (injection attack prevention), API gateway (schema validation), and rate limiters (100 req/min per client).

WAF Protection Schema Validation Rate Limiting
7

πŸ” Taxly Validation

Core engine verifies FIRS compliance, validates tax calculations, checks business rules, and rejects non-conforming submissions.

FIRS Compliance Tax Validation Business Rules
8

πŸ“¦ Finalize & Archive

Final validation and archival to immutable storage.