9/11 had a transformative effect on security risk management, just as COVID-19 has on healthcare. The risk of terrorism had come directly into business operations, impacting employees as it never had before. Duty of care came to the fore with regards to security risks, both from a legislation perspective and the growing responsibility for corporates.
https://www.securitymagazine.com/articles/96209-how-the-9-11-terrorist-attacks-shifted-the-global-security-landscape
