Accidentally Saved an Adobe Signature to Mac Keychain

To delete the Signature in Keychain:

  1. Open Keychain Access.
  2. Ensure the 'Login' section is selected on the left-hand side.
  3. Select 'My Certificates' along the top tabs.
    1. The Adobe certificate should be listed in here. You can delete the certificate and all issues should be resolved by doing so.