Encryption plays a crucial role in cybersecurity by securing sensitive information through cryptographic techniques. It transforms data into a coded format, making it unreadable to unauthorized users. This process ensures that even if data is intercepted, it cannot be accessed without the appropriate decryption key. Encryption is widely used for securing communications, such as emails and online transactions, as well as protecting data stored on devices and cloud services. It helps maintain privacy and integrity, safeguarding against data breaches and cyber attacks.