Data Security is the practice of safeguarding digital information from unauthorized access, corruption, or theft. Coursera's Data Security catalogue teaches you how to protect and mitigate threats to digital data at all levels. You'll learn about various aspects of data security including encryption, access control, network security, and vulnerability assessment. Additionally, you'll gain insights on implementing data security policies, risk management, and incident response, making you competent in securing sensitive data for businesses, government agencies, or personal use. This skill is crucial for roles such as information security analyst, data protection officer, and cybersecurity specialist among others.