What is vulnerability?
Vulnerability is all about being open to attack, harm or influence. In the fields of IT and information security, a vulnerability refers to a weak point, i.e. a security-relevant fault in an IT system or the state of being exposed to the risk of an attack. These weak points (such as programming errors) make systems or institutions susceptible to threats. They can be used by attackers to infiltrate a system without authorization and gain access to data and information.