Market research from Cybersecurity Insiders indicates that 93% of organizations have concerns about the security of the public cloud. This healthy distrust likely stems from a lack of information. Cloud service providers know their customers; they understand these concerns and have developed a plethora of documentation and sales collateral to earn our trust. One very welcome documentation improvement by the leading cloud providers is the amount of transparency pertaining to data destruction. Here is a review of this documentation so you can form a more complete picture of what exactly happens when we tell our cloud service provider to delete our data.
To frame the problem, let us take an inductive look at the question of why do we care about data destruction? Well, it is one of many security controls that the Cloud Security Alliance teaches us to review before engaging with a cloud service provider (CSP). When I teach about cloud security, I remind my audience that a given security control only mitigates specific risks and that in cybersecurity, there are no magic security bullets. Hence, it is essential to understand what a particular security control mitigates and what it does not.
To read the entire article, please click on https://searchcloudsecurity.techtarget.com/feature/How-Azure-AWS-Google-handle-data-destruction-in-the-cloud