Today we'll disucss the need for data masking due to privacy regulations such as GDPR that becone more and more common in the industry.
In order to deploy such a solution we'll utlize two great products:
1. Percona Server 8.0.17 that has recently introduced the data masking plugin (that is compatible w/ MySQL Enterprise one. This plugin exposes multiple functions that translate sensitive strings such as SSN and emails to masked strings.
2. ProxySQL a proxy server that supports modifying SQL queries on the fly. For example replacing SELECT ssn FROM users; with SELECT mask_ssn(ssn) FROM users;
The Percona Server will serve as our MySQL solution (you can use it as a slave instance if you need it for analyst purposes only). while the ProxySQL will serve as a Proxy that modifies SQL queries to utilize the Percona server data masking functions. You may also need to limit users access from the network to the Percona server.
Bottom Line
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