2. What is vulnerability?Financial Conduct Authority definitionEnergy UK definitionDWP definitionVulnerability levelsVulnerability characteristics and driversDefining vulnerability is a challenging task as it exists within a spectrum of risk. All clients are potentially at risk of becoming vulnerable, but having characteristics of vulnerability (see here) increases this risk.The Adult Support and Protection (Scotland) Act 2007 is the legislation to protect adults who are at risk of harm or neglect.