Personal data is any piece of information that someone can use to identify, with some degree of accuracy, a living person. 

Under certain circumstances, any of the following can be considered personal data: 

• A name and surname 
• A home address 
• An email address 
• An identification card number 
• Location data 
• An Internet Protocol (IP) address 
• The advertising identifier of your phone 

Sensitive personal data is a specific set of “special categories” that must be treated with extra security. This includes information pertaining to: 

• Racial or ethnic origin; 
• Political opinions; 
• Religious or philosophical beliefs; 
• Trade union membership; 
• Genetic data; and 
• Biometric data (where processed to uniquely identify someone).