Quantum computing is a revolutionary field that utilizes the principles of quantum mechanics to perform computations at an exponentially faster rate than traditional computers. One of the most promising applications of quantum computing is in the field of cybersecurity. Quantum computers have the potential to break many of the encryption schemes that currently protect sensitive information online. For example, the widely used RSA encryption relies on the difficulty of factoring large numbers, a problem that can be easily solved by quantum computers using algorithms such as Shor's algorithm. To address this potential threat, researchers are exploring the development of post-quantum cryptography, which is designed to be secure against attacks from quantum computers. This includes schemes based on lattice problems, code-based cryptography, and multivariate polynomial cryptography. In addition to breaking encryption, quantum computers could also be used to enhance cybersecurity defenses. For example, quantum key distribution (QKD) uses the properties of quantum mechanics to secure communication channels and prevent eavesdropping. Overall, the rise of quantum computing presents both challenges and opportunities for cybersecurity. It is crucial for researchers and industry professionals to stay up to date on the latest developments in this field to protect sensitive information in the digital age.