Knowledge Center

Category: Security

Immediate and preventive guidance for stolen credentials, SIM risk, unsafe payment links, card incidents, fake alerts and account protection.

Security

How to Protect a Nigerian SIM with a SIM PIN

6 Aug 2026 Set a SIM PIN safely, understand what it protects and avoid triggering a PUK lock on Android, iPhone and feature phones. … Read Guide

Security

SIM Asking for a PUK Code? How to Unlock It Without Losing the Line

5 Aug 2026 Understand why a phone requests a PUK, where to obtain the correct code and how to avoid permanently blocking a Nigerian SIM. … Read Guide

Security

How to Block Your Bank Account If Your Phone Is Stolen

8 Jul 2026 A stolen phone can expose a SIM, banking apps, email, wallet access and transaction alerts at the same time. This emergency guide puts the response in a clear order: block or replace the SIM through the network, contact every linked bank through an official route, restrict cards or digital channels where necessary and change important passwords from a trusted device. … Read Guide

Security

What to Do If You Send Money to the Wrong Account

7 Jul 2026 Sending money to the wrong account does not have a guaranteed instant reversal code. This guide explains the practical response: stop further payments, save the receipt and transaction reference, record the recipient bank, account name, account number, amount, date and time, then contact the sending bank through its official app, support line, complaint email or branch. It describes how to … Read Guide

Security

Common USSD Scams in Nigeria and How to Avoid Them

29 Jun 2026 USSD itself is only a communication channel, but criminals may combine fake support calls, urgent instructions, SIM-swap attempts, phishing links and requests for OTPs or PINs. This guide explains the most common scam patterns and the moment a normal support conversation becomes unsafe. Readers learn why a bank or network code should be started independently, why screen prompts must be … Read Guide

Security

How to Create a Strong Mobile Banking PIN

29 Jun 2026 A strong banking PIN should be difficult for another person to guess but practical for the account owner to remember privately. This guide explains why birthdays, repeated digits, phone-number endings and the same PIN across every service create avoidable risk. It covers choosing separate credentials for USSD, bank apps, wallets and cards where the provider allows, shielding the keypad, avoiding … Read Guide

Security

POS Business Fraud Cases in Nigeria and How to Protect Your Terminal

4 Nov 2025 POS agents face fake alerts, card substitution, stolen credentials, social engineering, cash-count disputes and unauthorised terminal access. This guide turns those risks into a practical opening, transaction and closing routine. It explains how to confirm approval on the terminal or provider record, shield customer PIN entry, keep cards in view, restrict staff access, reconcile settlement and preserve terminal IDs and … Read Guide