Alibaba Cloud hit more than RMB10 billion (£1.18bn) in revenue in its most recent quarter, with revenues up 62% year over year.
Worldwide spending on information security and risk management systems will reach $131bn in 2020 - and cloud security platform and application sales are predicted to grow from $636m this year to $1.63bn in 2023.
Google Cloud hit $2.6 billion (£2bn) in revenues for the fourth quarter of 2019 with a more than $10bn run rate, as parent company Alphabet divulged various individual business figures for the first time.
In the age of the cloud, a digital company's costs might grow 10 times overnight as a result of a sudden increase in traffic volume, or a one-line configuration change.
Ginni Rometty's eight-year tenure as IBM CEO oversaw the company's serious entry into the cloud. But while Rometty's oratorial skill will be missed, the company's wider storytelling needs to tighten up under new chief executive Arvind Krishna.