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FraudAlert First Bank Nigeria
Institutional Cybersecurity Defense

Real-Time Fraud Detection for Modern Nigerian Banking

Protecting institutional liquidity and customer trust across all channels with automated 7-rule transaction inspection, instantaneous account blacklist matching, and strict role-based audit governance.

Access Portal Explore Active Rules
Live Fraud Engine Feed
Active v2.5
TXN-20260920-A9FX2 HIGH_AMOUNT
₦1,850,000.00 • Transfer
Auto-flagged by Engine • Assigned to Compliance
TXN-20260920-K498L PASSED
₦45,000.00 • POS Payment
All 7 rules clear • Status: Completed
TXN-20260920-P002Z BLACKLIST_ACC
₦280,000.00 • Branch Deposit
Critical Watchlist Match • Alerts Dispatched
0
Transactions Monitored
₦0.00
Total Transaction Volume
0
Fraud Incidents Intercepted
100%
Incident Resolution Rate

Institutional Fraud Prevention Stack

Engineered according to Central Bank of Nigeria (CBN) and NDIC cybersecurity risk control guidelines.

Automated 7-Rule Engine

Simultaneously evaluates velocity, denomination structuring, off-hours anomalies, high values, and watchlist hits with zero latency.

Blacklist Registry

Instant keystroke validation flagging suspicious accounts linked to EFCC, police, and internal banking investigations.

Configurable Thresholds

Security administrators adjust cash limits, velocity counts, and rules directly through the UI with instantaneous activation.

Role-Based Governance

Strict separation of duties. Staff record and annotate; administrators investigate, escalate, assign, and resolve alerts.

Analytics & CSV Exports

Comprehensive compliance auditing with severity breakdowns, staff volume trends, and direct CSV file streaming.

Immutable Audit Trail

Every login attempt, transaction recording, status alteration, and rule configuration is cryptographically logged with IP tracking.

The 7 Built-In Detection Rules

Loaded directly from database configuration table fraud_rules.

HIGH_AMOUNT high

High-Value Transaction

Flags any transaction with an amount greater than or equal to ₦500,000.

Threshold: ₦500,000.00
FREQ_TXN medium

Frequent Transactions

Flags when 5 or more transactions originate from the same sender account within 30 minutes.

Threshold: 5.00 count
BLACKLIST_ACC critical

Blacklisted Account

Flags any transaction where either sender or receiver account matches an active blacklist.

Threshold: Policy condition
FAILED_LOGIN high

Failed Login Attempts

Flags if the bank staff recording the transaction has 3 or more recent failed login attempts.

Threshold: 3.00 count
ROUND_AMOUNT low

Suspicious Round Amount

Flags structured round amounts of ₦100,000 or greater in exact multiples of ₦10,000.

Threshold: ₦100,000.00
OFF_HOURS low

Off-Hours Transaction

Flags transactions initiated between 8:00 PM and 6:00 AM (West Africa Time).

Threshold: Policy condition
LARGE_CASH medium

Large Cash Withdrawal

Flags over-the-counter cash withdrawal transactions of ₦300,000 or greater.

Threshold: ₦300,000.00

Transaction Inspection Lifecycle

From counter teller entry to compliance resolution.

1

Transaction Entry

Staff enters details with live keystroke blacklist & velocity checking.

2

Rules Engine Execution

All 7 fraud algorithms evaluate parameters in a single database transaction.

3

Instant Flagging & Alerts

Alert dispatched to compliance admins with full context and system notes.

4

Investigation & Action

Compliance officers review, add notes, escalate, or resolve with audit logging.