Counties

Describes Philter's County filter.

Filter

This filter identifies common US counties as determined by the US census in text.

Required Parameters

This filter has no required parameters.

Optional Parameters

Parameter

Description

Default Value

countyFilterStrategies

A list of filter strategies.

None

sensitivity

Controls the "fuzziness" of allowed values to account for misspellings and derivations. Valid values are low, medium, and high.

medium

Filter Strategies

The filter may have zero or more filter strategies. When no filter strategy is given the default strategy of REDACT is used. When multiple filter strategies are given the filter strategies will be applied in as they are listed. See Filter Strategies for details.

Strategy

Description

REDACT

Replace the sensitive text with a placeholder.

RANDOM_REPLACE

Replace the sensitive text with a similar, random value.

STATIC_REPLACE

Replace the sensitive text with a given value.

CRYPTO_REPLACE

Replace the sensitive text with its encrypted value.

HASH_SHA256_REPLACE

Replace the sensitive text with its SHA256 hash value.

Conditions

Each filter strategy may have one condition. See Conditions for details.

Conditional

Description

Operators

TOKEN

Compares the value of the sensitive text.

== , !=

CONTEXT

Compares the filtering context.

== , !=

CONFIDENCE

Compares the confidence in the sensitive text against a threshold value.

< , <=, > , >=, ==, !=

Example Filter Profile

{
"name": "counties-example",
"identifiers": {
"county": {
"sensitivity": "medium",
"countyFilterStrategies": [
{
"strategy": "REDACT",
"redactionFormat": "{{{REDACTED-%t}}}"
}
]
}
}
}