I've started seeing failing "Cisco Umbrella Secondary SubCA syd-SG" certs in all sorts of places suddenly when browsing. Safari, Firefox, Chrome on my 2 macs are both having this problem for various sites that all use the Cisco Umbrella Root CA.
Then it's on the pan macmillan site as well...
This is happening on safari, chrome, firefox on both my macs, and my ipad. doesn't seem to happen on my iphone. And i don't have a non-apple device at home...
What I'm really trying to find out is:
- is this just me!??!
- is this just on macs, and Apple hasn't updated its Root CA list? (It's not on their list of trusted Root CAs)
- if it's just me, any idea how I fix this?
Thank you in advance!