By Chinwendu Obienyi
Nigeria’s banking sector is grappling with a worrisome paradox. While fraud cases are declining in number, the financial losses from each incident are rising sharply, revealing a worrying shift in the country’s digital risk landscape.
Recent industry data by the Nigerian Interbank Settlement System (NIBSS), show
that fraud cases fell by 4 per cent to 67,518 in 2025 from 70,111 in 2024. On the surface, this suggests that anti-fraud measures by banks and regulators may be gaining traction.
However, a deeper look reveals a more troubling reality that fraudsters are becoming more strategic, targeting fewer victims but extracting significantly higher sums, particularly through internet banking channels.
This evolving pattern has triggered a wave of heightened vigilance among banks, who are now reassessing their digital security frameworks in response to increasingly sophisticated threats.
The most striking trend lies in the disparity between fraud volume and financial loss. According to the Managing Director, Premier Oiwoh, internet banking, while accounting for a relatively smaller number of cases, 4,507 incidents, recorded a staggering N13.37 billion in losses.
This makes it the most financially damaging fraud channel in the country.
In contrast, mobile and internet platforms accounted for the highest number of cases overall, with 22,470 and 27,460 incidents respectively. These figures underline the growing vulnerability of digital banking ecosystems, where convenience and accessibility have also expanded the attack surface for cybercriminals.
Furthermore, this reflects a broader global shift in cybercrime tactics, where fraudsters increasingly prioritize “quality over quantity”, focusing on high-value accounts, corporate transactions, and individuals with significant digital footprints.
The decline in total fraud cases may be attributed to improved detection systems, stronger Know-Your-Customer (KYC) protocols, and increased public awareness campaigns by banks. However, these measures appear to be pushing fraudsters toward more targeted and technically advanced schemes.
Phishing attacks, social engineering, and malware-based intrusions are now among the most commonly deployed tactics. Fraudsters often impersonate banks or financial institutions, sending fake alerts or links that trick users into revealing sensitive information such as passwords, PINs, and one-time passwords (OTPs).
Once access is gained, attackers can execute large transactions quickly, often before the breach is detected.
This explains why fewer successful attacks can still result in disproportionately high financial losses.
Banks steps up heightened security measures
In response, banks are stepping up their defenses and investing heavily in advanced fraud detection systems powered by artificial intelligence and machine learning, which can identify unusual transaction patterns in real time.
Multi-factor authentication (MFA), biometric verification, and transaction limits are also being strengthened to reduce exposure to high-value fraud.
Customer education has become another critical line of defense. Banks are increasingly issuing warnings, urging customers not to click on suspicious links or disclose sensitive information. These campaigns reflect a growing recognition that human error remains one of the weakest links in the security chain.
For instance, Access Bank, in a notification sent to its customers, said, “Fraudsters often set up fake links or credit alerts to deceive you into revealing sensitive details. Do not fall for it. Do not click on links requesting you to verify your account or divulge your password, PIN, OTP, Card number or CVV number.
When in doubt, or if you suspect that your account has been compromised, call or chat us via the “Livechat” icon on AccessMore.”
At the same time, Daily Sun, understands that collaboration within the industry is intensifying. Some banks are understood to be sharing threat intelligence and working more closely with regulators and law enforcement agencies to track and disrupt fraud networks.
The role of digital expansion
Nigeria’s rapid adoption of digital banking services has played a significant role in shaping the current fraud landscape. With millions of customers now relying on mobile apps and online platforms for everyday transactions, the financial system has become more interconnected, and more exposed.
The rise of fintech companies and digital payment platforms has further accelerated this transformation, driving financial inclusion but also introducing new vulnerabilities.
As digital transactions grow in volume and complexity, so too does the sophistication of cyber threats.
Economic implications
The surge in high-value fraud carries broader implications for Nigeria’s economy. Financial losses of this magnitude can erode consumer confidence in digital banking, potentially slowing the adoption of cashless payment systems.
For businesses, especially small and medium-sized enterprises (SMEs), exposure to fraud can disrupt operations and undermine growth. In extreme cases, significant financial losses may even threaten business survival.
Moreover, banks themselves face rising operational costs as they invest in security infrastructure and absorb fraud-related losses. These costs could eventually be passed on to customers through higher fees or reduced access to credit.
Experts react
Economic and technology experts say the trend highlights the need for a more comprehensive approach to cybersecurity in Nigeria’s financial sector.
Chief Executive Officer, Centre for Promotion of Private Enterprises (CPPE), Muda Yusuf, noted that the shift toward high-value fraud reflects broader structural changes in the economy.
“Digitalisation has improved efficiency in the financial system, but it has also created new risks. What we are seeing is a transition from opportunistic fraud to more organised and targeted attacks. This requires a corresponding upgrade in both regulatory oversight and institutional capacity”, Yusuf stated.
Similarly, the Minister of Communications, Innovation and Digital Economy, Bosun Tijani, at a forum, emphasised the importance of strengthening the country’s digital infrastructure.
“As we deepen our digital economy, cybersecurity must become a central priority,” he said. “We need to invest not only in technology but also in skills, ensuring that both institutions and individuals are equipped to navigate emerging threats.”
Cybersecurity specialist and Co-founder, Co-Creation Hub, Nigeria, Femi Longe points to the role of user behavior in enabling fraud.
“Technology alone cannot solve this problem,” he explained. “A significant proportion of fraud incidents still involve some level of user compromise, whether through phishing or social engineering. Public awareness and digital literacy are just as important as technical safeguards.”
Conclusion
As Nigeria continues its push toward a fully digital financial ecosystem, the battle against fraud is likely to intensify. The data suggest that while progress has been made in reducing the frequency of attacks, the stakes are getting higher.
For banks, this means maintaining a delicate balance between innovation and security, ensuring that digital services remain accessible while safeguarding customer assets.
For customers, it underscores the importance of vigilance in an increasingly complex digital environment.
Ultimately, the decline in fraud cases offers only partial reassurance. The rise in high-value internet fraud serves as a stark reminder that the nature of financial crime is evolving, and that staying ahead will require constant adaptation from all stakeholders.
In this new landscape, success will depend not just on preventing fraud, but on understanding and anticipating the strategies of those who seek to exploit the system.
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