Reading Comprehension — quick quiz

Read the passage carefully and answer the question that follows: The rapid expansion of digital banking has transformed the financial landscape, enabling customers to perform transactions with unprecedented ease. However, this convenience comes with cybersecurity challenges that banks must address proactively. Financial institutions are investing heavily in advanced encryption technologies and multi-factor authentication systems to safeguard customer data. Despite these efforts, the sophistication of cyber threats continues to evolve, requiring constant vigilance and innovation in security protocols. According to the passage, what is the primary concern arising from digital banking expansion?