The rapid expansion of digital banking has transformed the financial sectorby enabling faster, more accessible, and scalable services. Technologies suchas cloud computing and artificial intelligence (AI) have significantlyimproved international financial inclusion, connecting urban and ruralpopulations to banking systems. However, this digital transformation hassimultaneously increased vulnerability to cyber threats. With the rise inonline transactions, traditional fraud detection systems are increasinglyineffective against sophisticated cybercrimes, including data breaches,identity theft, AI-generated deepfake identities, phishing attacks, andmalware. Cloud-based financial systems, though efficient, introduce newpotential points of attack. This paper highlights the growing challenges ofcyber fraud in the digital banking era and underscores the urgent need foradvanced, AI-driven fraud detection mechanisms to safeguard modernfinancial ecosystems.