The Bhoys are unbeaten in 20 Scottish Premier League fixtures this season and have not conceded a goal in their past eight outings.
Nigeria international Ambrose, who has started all of the Scottish champions league matches, says the form of Neil Lennon's side is extremely pleasing.
"It's satisfying and we're trying our best to see how long we can keep it going," he told the Celtic View.
"It won't be easy but every day we have to improve and do better in each game we play. We are still trying to do this not only in defence but in every area of the pitch."
He added: "It's not only down to the defence but it's down to the (entire) team - they have kept eight clean sheets, not just the defence."
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