data anonymization

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SATYAM AGARWALA

DEVELOPER

DATA ANONYMIZATION

Why do we need data?

What is data anonymization?

Why anonymize data?

How do we anonymize data?

https://github.com/sunitparekh/data-anonymization

Sunit Parekh Satyam Agarwala

You choose which attributes to anonymize

!!first name last name address zipcode handphone birth date

!!: Satyam : Agarwala : 87B Amoy Street : 069906 : 8765 4321 : 01/01/1945

BLACKLIST

WHITELIST

You choose which attributes NOT to

anonymize

!!first name last name address zipcode handphone birth date

!!: Satyam : Woodward : 10 Downing Street : 123456 : 8765 4321 : 01/01/1945

Show me!

Script (DSL, strategies, parallelization)

ORM (RDBMS, NoSQL)

source DB destination DB

SUMMARY

GOTCHAS

FK CONSTRAINTS Disable foreign key checks globally before running the script.

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UNIQUE CONSTRAINTS Whitelist or ensure a sequential non-random strategy for attributes that need to be unique.

Are there other ways to anonymize data?

FORMAL APPROACH

k-anonymity !

l-diversity !

t-closeness !

δ-presence

ALTERNATIVE TOOLS

Arx https://github.com/arx-

deidentifier/arx

THANK YOU!