>>Currently logged in via FF 47.0 and https, so not an universal failure ;-)
>>no idea where chain of trust broke down on your attempt
>>
>>>Today I am getting this error when trying to access levelextreme.com from either FireFox or Chrome, it works fine from IE.
>>>I attached an image from each browser, you can see that FireFox allows me to report the website as malicious
>
>No idea either, but before posting here I asked our net admin to take a look on our side and he found nothing wrong either. It is not a big deal, I can always use my third choice, IE, but I thought it would be worth reporting.

Working for me in Google Chrome, but I haven't log of the site for some time.