Quantum computing poses significant challenges to traditional cybersecurity measures, particularly encryption protocols, which rely on the complexity of mathematical problems to safeguard sensitive data. With quantum computers potentially solving these problems exponentially faster, encryption methods such as RSA and ECC may no longer be secure. This article explores the implications of quantum computing on cybersecurity, highlighting the vulnerabilities in current encryption systems and the emerging quantum-resistant cryptographic techniques. It also discusses Quantum Key Distribution (QKD) as a potential solution for ultra-secure communication, as well as the growing risk of "harvest now, decrypt later" attacks. Proactive strategies are crucial for organizations to safeguard data in the quantum era, including transitioning to quantum-safe encryption and investing in ongoing research.