The rapid growth of online transactions has led to increased vulnerability to cyberthreats, posing significant challenges to digital security. This study investigates the various risks and threats associated with online financial transactions, including hacking, phishing, data breaches, and malware attacks. It examines the impact of these cyberthreats on consumer trust, business operations, and regulatory frameworks. The researchers also explore the effectiveness of current security measures, such as encryption, multi-factor authentication, and secure payment systems, in mitigating these threats. The findings aim to provide insights for enhancing online transaction security, safeguarding sensitive data, and improving overall cybersecurity practices.