Client-Side Field-Level Encryption for Apache Kafka Connect @ VoxxedDays Luxembourg 2022

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Client-Side Field-Level Encryption for Apache Kafka Connect @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022

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Why should we care? @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 2

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61% of breaches involved credential data1 1 Verzion DBIR 2021 - https://www.verizon.com/dbir @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 3

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85% of breaches involved the human element1 1 Verzion DBIR 2021 - https://www.verizon.com/dbir @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 4

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 5

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compromised external cloud assets more common than on-premises assets1 1 Verzion DBIR 2021 - https://www.verizon.com/dbir @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 6

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Don't forget about the price tag of data breaches. @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 7

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Don't forget about the price tag of data breaches. @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 8

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$4.24M average cost of data breach2 2 IBM Cost of Data Breach Report - https://www.ibm.com/security/data-breach @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 9

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$180 per record cost of customer pii2 2 IBM Cost of Data Breach Report - https://www.ibm.com/security/data-breach @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 10

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 11

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It's me ... ! • technical trainer at NETCONOMY • independent engineer & consultant • Confluent Community Catalyst • MongoDB Champion @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 12

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 13

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! But Kafka related? Yes! 3 3 https://spectralops.io/blog/misconfigured-kafdrop-puts-companies-apache-kafka-completely-exposed/ @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 14

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! They found it "all" ... 3 3 https://spectralops.io/blog/misconfigured-kafdrop-puts-companies-apache-kafka-completely-exposed/ @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 15

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unhappy @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 16

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Core Kafka Security Mechanisms @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 17

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Table Stakes ? @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 18

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over-the-wire encryption @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 19

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authentication @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 20

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authorization @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 21

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 22

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 23

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disturbing @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 24

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 25

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Core Security Necessary ! @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 26

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Core Security Sufficient ? @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 27

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 28

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 30

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? in use by brokers @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 31

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brokers see everything ... and so does any legitimate Kafka client @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 32

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 33

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human promise is NOT technical promise @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 34

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end-to-end encryption ? ? ? @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 35

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Community Project Kryptonite for Kafka @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 36

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client-side field level cryptography @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 37

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Client-Side Cryptography @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 38

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Client-Side Cryptography @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 39

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Field Level Encryption @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 40

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Field Level Encryption @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 41

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Field Level Decryption @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 42

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Field Level Decryption @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 43

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Kafka Connect Single Message Transform @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 44

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CSFLC with Source Connectors @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 45

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CSFLC with Source Connectors @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 46

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CSFLC with Source Connectors @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 47

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CSFLC with Source Connectors @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 48

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CSFLC with Sink Connectors @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 49

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CSFLC with Sink Connectors @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 50

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CSFLC with Sink Connectors @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 51

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CSFLC with Sink Connectors @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 52

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 53

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Demo Scenario 1 @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 54

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 55

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 60

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Demo Scenario 2 @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 61

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 62

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 67

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Behind the Curtain ? @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 68

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Cryptography • Tink by Google • AEAD based on AES GCM • DAEAD based on AES SIV • key rotation support @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 69

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Keyset Management • within SMT config (not recommended) • externalized to separate file (okayish) • remote / cloud KMS (recommended) • currently Azure Key Vault @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 70

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! Little Ideas ! • wildcard / regex matching for field names • dynamic keyset selection based on payload • additional KMS providers (GCP, AWS, ...) @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 71

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! Bigger Ideas ! • add further cryptography options (e.g. FPE) • language / runtime agnostic data serialization • extend scope beyond Kafka Connect @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 72

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data should continue to be a valuable asset not become a costly liability @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 73

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twitter @hpgrahsl @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 74

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Go check it out ! • Project Code https://bit.ly/vdlux22-k4k • Demo Scenarios https://bit.ly/vdlux22-demo @hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022 75

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@hpgrahsl | #VoxxedDays Luxembourg | June 21-22, 2022

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Photo Credits in order of appearance (c) Chunli Ju - https://unsplash.com/photos/8fs1X0JFgFE (c) Wolf Zimmermann - https://unsplash.com/photos/6sf5rf8QYFE (c) Jason Leung - https://unsplash.com/photos/SAYzxuS1O3M (c) Dev Asangbam - https://unsplash.com/photos/sh9vkVbVgo (c) Keenan Constance - https://unsplash.com/photos/VTLcvV6UVaI (c) Steve Johnson - https://unsplash.com/photos/hokONTrHIAQ (c) Pete Linforth - https://pixabay.com/illustrations/biometrics-access-identification-4503187/ (c) Miguel Á. Padriñán - https://www.pexels.com/photo/close-up-shot-of-keys-on-a-red-surface-2882687/ (c) Camila Quintero Franco - https://unsplash.com/photos/mC852jACK1g (c) Gerd Altmann - https://pixabay.com/illustrations/board-excuse-me-excuse-discharge-1848736/ (c) Vijaya narasimha - https://pixabay.com/photos/crevasse-sand-stone-hills-rock-399957/ (c) Gerd Altmann - https://pixabay.com/photos/trust-man-hood-map-prompt-4321822/ (c) Matheo JBT - https://unsplash.com/photos/HLhvZ9HRAwo (c) Rob Laughter - https://unsplash.com/photos/WW1jsInXgwM (c) Markus Spiske - https://unsplash.com/photos/iar-afB0QQw (c) Nerene Grobler - https://unsplash.com/photos/sLxcfdsqLQ (c) Wilhelm Gunkel - https://unsplash.com/photos/L04Kczg_Jvs (c) Matt Walsh - https://unsplash.com/photos/tVkdGtEe2C4