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A report published this week by Wiz, a provider of a cloud security platform, found more than half of organizations (57%) are using multiple clouds, with 22% currently using three or more platforms.
However, the report also noted that 72% of all workloads are running on the Amazon Web Services (AWS) cloud. Among organizations that have more than one cloud platform, Microsoft Azure (41%) is the most common secondary platform (41%), while Google Cloud Platform (GCP) is the most used tertiary platform among organizations employing two or more clouds (44%).
The report also noted 9% of AWS customers use managed database servers, compared to 87% in GCP and 82% in Azure. However, over 91% of companies also have non-managed database servers running in a cloud. In total, only 6% of companies use managed database servers exclusively, compared to 90% using a mix of managed and non-managed database servers, the report finds.
The most widely deployed databases are PostgreSQL, Redis and MySQL, with 90% of organizations running at least one instance of a PostgreSQL server.
Scott Piper, principal cloud security researcher for Wiz, said the report makes it clear that despite gains by Microsoft and Google, AWS remains the most dominant cloud service provider. Even after a decade, rival cloud service providers have not been able to overcome the first-mover advantage that AWS continues to enjoy. In many cases, a second or third cloud is being employed only because a single development team preferred it or an IT team assumed responsibility for it when their company acquired another organization using it, noted Piper.
However, while most organizations have multiple accounts per cloud service provider, the report also found that the bulk of the application workloads are managed via only a handful of accounts, he added. That suggests more organizations are subject to higher levels of disruption in the event of an outage than many of them may realize, said Piper.
One of the reasons so many organizations have a narrow range of accounts, of course, is they simply don’t have enough personnel. In fact, a general skills shortage also tends to limit the number of cloud platforms organizations might otherwise employ.
Multiple cloud platforms also tend to exacerbate cybersecurity challenges. With the introduction of each additional cloud service, the overall size of the attack surface that needs to be defended expands. The Wiz report found 47% of organizations have at least one database or storage bucket publicly exposed to the internet. It can take less than 13 hours for cybercriminals to discover and access an exposed bucket with a guessable name, noted Piper.
More challenging still are the number of application programming interfaces (APIs) that need to be secured as cloud service providers continue to add new services, he added.
Ideally, organizations should be adopting a framework to harden privileges, encryption, authentication and connectivity and improve hygiene, otherwise known as PEACH, said Piper.
Regardless of the approach to cloud computing, it’s apparent there’s still a long way to go before organizations are ready to embrace hybrid cloud computing spanning multiple clouds.
