10 biggest healthcare data breaches of 2021 impact over 22.6M patients

In 2021, each of the largest healthcare data breaches impacted over 1 million patients, with a total of 22.64 million affected. The largest breach was a hack of the Accellion File Transfer Application, which exposed the vulnerability of third-party healthcare vendors. The biggest incidents impacting the industry were typically caused by supply chain vendors. This reveals the ongoing issues the sector has with vendors and the increasing complexity of attacks.