A New Browser Version Has Been Deployed to All Users

Multiple Choice

A new browser version has been deployed to all users at a company. After the deployment, users report that they can no longer access the company's secure time-card system, which is hosted by a SaaS provider. A technician investigates and discovers a security error is received upon opening the site. If the browser is rolled back to the older version, the site is accessible again. Which of the following is the MOST likely cause of the security error users are seeing?

A) SSL certificate expiration on the SaaS load balancers
B) Federation issues between the SaaS provider and the company
C) Obsolete security technologies implemented on the SaaS servers
D) Unencrypted communications between the users and the application