16 Redacting and reprocessing telemetry
This chapter covers
- Identifying toxic data and where it comes from
- Cleaning up after toxic data spills
- Reducing the scope of toxic data spills
- Reprocessing cold storage to improve restorability
There are two big reasons why you might want to rewrite stored telemetry:
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Regulated information—such as privacy- and health-related information, and sometimes financial information—somehow got into your telemetry systems and needs to be removed before your organization has to notify customers and users of the breach (redaction). I call information like this toxic data because information of these kinds require special handling, and there are severe penalties for getting it wrong.
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Upgrading a telemetry storage ...
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