Personally Identifiable Information (PII) is any data that could potentially be used to identify a particular individual. Coursera's PII skill catalogue teaches you about the importance and nuances of handling such sensitive information in various settings, particularly in the digital age. You'll learn everything from the basics of identifying PII, to understanding data privacy laws and regulations, and implementing effective strategies to protect PII. This includes the means to prevent data breaches, respond to data loss incidents, and ensure compliance to data protection standards like GDPR and HIPAA. With the rise in cyber threats, mastering this skill is vital for professionals in IT, data science, HR, law, and any role handling confidential information.