Security by builders - セキュリティ監視をクラウドで「つくる」 / Security by builders

1. Security by builders ηΩϡϦςΟ؂ࢹΛΫϥ΢υͰʮͭ͘Δʯ Hokuto Hoshi VP of Technology, Cookpad Inc. hokuto@cookpad.com
2. ੕ ๺ే (΄͠ ΄͘ͱ) / @kani_b • ΫοΫύουגࣜձࣾ VP of Technology
 ؂ࠪҕһձ ؂ࠪิॿऀ • શࣾԣஅͰͷ৘ใηΩϡϦςΟϦʔυ΋΍͍ͬͯ·͢ • Site Reliability & Security Engineer • AWS ೝఆ SA, DevOps ΤϯδχΞ (Professional) • 2013೥৽ଔೖࣾ, AWS ར༻ྺ͸9೥͘Β͍
17. ΫοΫύουͱ AWS • 2011೥ʹ׬શҠߦ • 2ͭͷϦʔδϣϯΛओʹར༻ • 400 Ҏ্ͷ ECS αʔϏε͕ EC2 Spot Πϯελϯε্ͰՔಇ • શͯͷϢʔβ޲͚αʔϏε͸͜͜Ͱಈ͍͍ͯΔ
18. ΫοΫύουͱΫϥ΢υ • ࣾ಺γεςϜ΋΄΅શ͕ͯ AWS ্·ͨ͸ SaaS ͱͯ͠Քಇ • ࣗલӡ༻ΛۃྗݮΒ͢ߏ੒ • ΦϑΟεʹ͋Δ΋ͷ͸ωοτϫʔΫػثͷΈ
19. ΫοΫύουʹ͓͚Δ ৘ใηΩϡϦςΟͷҙຯ
20. Α͘ฉ͔ΕΔ͜ͱ • ʮϨγϐαʔϏεʹ৘ใηΩϡϦςΟ͕ඞཁͳΜͰ͔͢ʁʯ
21. Α͘ฉ͔ΕΔ͜ͱ • ʮϨγϐαʔϏεʹ৘ใηΩϡϦςΟ͕ඞཁͳΜͰ͔͢ʁʯ • A. ඞཁ͔ͭෆՄܽͰ͢
22. ʮຖ೔ͷྉཧʯͱ৘ใηΩϡϦςΟ • Ϩγϐσʔλɺࣸਅɺίϝϯτɺϩάɺ༷ʑͳσʔλ • ৯ࣄ͸ਓؒͷੜ׆ͱີ઀ʹඥͮ͘ • μΠΤοτ΍ಛఆͷපؾͳͲϓϥΠόγʹؔΘΔ৘ใ΋ • ΑΓ਎ۙʹ࢖͍͚ͬͯͨͩΔαʔϏεͰ͋Γଓ͚ΔͨΊʹ
 ৴པΛಘͯ৘ใΛ༬͔Γɺ੹೚ΛՌͨ͢͜ͱ͕ॏཁ
23. कΔ΂͖ΤϦΞ • શࣾࢹ఺ʹཱͬͨରࡦ͕ॏཁ • Ϣʔβ޲͚αʔϏε • ࣾ಺γεςϜ • ৘ใͷऔΓѻ͍ํͳͲϧʔϧ΍ӡ༻ • ͋ΒΏΔηΩϡϦςΟ՝୊ʹνʔϜͱͯ͠ରԠ
24. ࣮ࡍͷରࡦ΍ӡ༻
25. جຊతͳߟ͑ํ • ϧʔϧ΍ΦϖϨʔγϣϯͰͳٕ͘ज़΍࢓૊ΈͰकΔ • ૿Ճ͠ଓ͚ΔτϥϑΟοΫʹରԠͰ͖ͳ͍ • ਓؒ͸ඞͣϛεΛ͢Δ • Ϋϥ΢υͱͷ੹೚ڥքΛೝࣝɺ೚ͤΔͱ͜Ζ͸೚ͤΔ • ๷ޚ100%Ͱͳ͘ “Կ͕ى͖͔ͨΘ͔Δ” ঢ়ଶΛ໨ࢦ͢
26. ๷ޚ100%Ͱ͸ͳ͍ཧ༝ • ʮ׬શͳ๷ޚʯ͸ଘࡏ͠ͳ͍ • ׬શʹ͚ۙͮΔ΄ͲίϯϑϦΫτ͕ى͖΍͍͢ • ๷ޚਫ਼౓Λ1%্͛Δίετ > ݕ஌ਫ਼౓Λ্͛Δίετ • ૯߹֨ಆٕͱͯ͠औΓ૊Ή
27. ηΩϡϦςΟγεςϜͷઃܭํ਑ • ๷ޚ͢ΔͨΊͷ࢓૊Έ΍ϩΪϯάγεςϜ: ηϯαʔ • ηϯαʔ͔ΒσʔλΛूΊɺ؂ࢹɾ෼ੳ͢Δ ๷ޚ ݕ஌ ରԠ
28. ηϯαʔ • AWS ͷηΩϡϦςΟαʔϏε • Amazon CloudTrail, Amazon GuardDuty, AWS WAF, etc • ηΩϡϦςΟ੡඼ • IDS, EDR, ίϯςφΠϝʔδεΩϟϯ, NGFW, etc • ͋ΒΏΔϩά • ΞΫηεϩά, OS ͷϩά, ΦϑΟεεΠʔτͷϩά, etc
29. ௚໘͢Δ໰୊ • ऩू͢Δϩάͷྲྀྔ΍छྨ͕ଟ͗͢Δ • τϥϑΟοΫ΍औΓࠐΉγεςϜͷ૿Ճ • ίετ૿ʹ௚݁ • ࢢൢͷ SIEM ΍ SaaS ͷඅ༻͸ओʹετϨʔδʹ͔͔Δ • ͦͷͨΊʹϩάͷྔΛߜΔͷ͸ຊ຤స౗ • ෼ੳ࣌ʹ͸͡ΊͯϑΟϧλ͞ΕΔ΂͖
30. OSS ͷྗΛआΓΔ • Graylog: ϩάϚωδϝϯτͷͨΊͷ OSS • ϩάͷશจݕࡧɺՄࢹԽɺΞϥʔςΟϯάͳͲ͕Մೳ • ਫฏεέʔϧ͢Δઃܭʹͳ͍ͬͯΔ • Elasticsearch ͕όοΫΤϯυ • Amazon Elasticsearch Service Ͱলྗӡ༻
31. Graylog ͷల։ ϩά EC2 Instances Network Load Balancer Elasticsearch Service Graylog
 Instance Security Engineer ෼ੳ Application
 Load Balancer
32. ΑΓͨ͘͞ΜͷϩάΛऔΓࠐΉͨΊʹ • ϩάͷૹΓઌ͕τϥϑΟοΫΛड͚͖Εͳ͘ͳΔ • όοΫΤϯυʹٻΊΒΕΔՄ༻ੑ΋ඇৗʹߴ͘ͳΔ • શͯͷϩά͸ Amazon S3 ʹҰ౓อଘ͔ͯ͠Βॲཧ • ߴՄ༻Ͱεέʔϧ͢Δ෼ࢄετϨʔδ • όοϑΝΛઃ͚Δ͜ͱͰߏ੒ΛॊೈʹͰ͖Δ • อଘͨ͠ϑΝΠϧΛ AWS Lambda Ͱલॲཧͯ͠ Graylog ΁֨ೲ
33. ϩάอ࣋ظؒͷ໰୊ • ΦϯϥΠϯετϨʔδ͸௿ϨΠςϯγ, ߴίετ (Elasticsearch) • શͯͷϩάΛΦϯϥΠϯʹ͓ͯ͘͠ඞཁ͸ͳ͍ • Ұఆظؒܦͬͨϩά͸ Graylog ͔Β࡟আͯ͠ S3 ͷΈͰอ࣋ • ඞཁͳࡍ͸ Amazon Athena ͔ΒΫΤϦՄೳ • ௿ίετ͔ͭे෼ߴ଎ʹݕࡧɾ෼ੳͰ͖Δ
34. εέʔϧ͢ΔΞʔΩςΫνϟ΁ EC2 Instances Office GuardDuty, CloudTrail, etc …. Kinesis
 Firehose Lambda Function S3 Bucket Athena Graylog ΁ EC2 Instances Lambda Function
35. εέʔϧ͢ΔΞʔΩςΫνϟ΁ EC2 Instances Office GuardDuty, CloudTrail, etc …. Kinesis
 Firehose Lambda Function S3 Bucket Athena Graylog ΁ EC2 Instances Lambda Function ηϯαʔ ू໿ ஝ੵɾอ࣋ ؂ࢹɾ෼ੳ
36. ϩάͷ෼ੳɾݕ஌ • ݕ஌γεςϜΛ AWS Lambda Λ࢖࣮ͬͯ૷ • ࣗಈԽ, লྗԽͷ࣮ݱ • ίʔυهड़ͰಘΒΕΔॊೈੑɺอकੑͷ޲্ɺଐਓੑͷഉআ • ૿Ճ͠ଓ͚Δϩάʹର͢ΔεέʔϥϏϦςΟΛಘΔ
37. https://speakerdeck.com/mizutani/techconf2019-mizutani
38. ໰୊ʹରͯ͠ • ऩू͢Δϩάͷྲྀྔ΍छྨ͕ଟ͗͢Δ • εέʔϧՄೳͳΞʔΩςΫνϟʹΑͬͯड͚ࢭΊΒΕΔΑ͏ʹ • ίετ૿ʹ௚݁ • ΑΓ҆ՁͳετϨʔδΛ࢖͑ΔΞʔΩςΫνϟͷ࠾༻ • ࣗಈԽɺϚωʔδυαʔϏεར༻Ͱӡ༻΋লྗԽ
39. ݱࡏͷঢ়گ • ࣾ಺֎ͷ༷ʑͳγεςϜͷϩάΛऩूɺ෼ੳ • Ұ೔͋ͨΓ 140GB Ҏ্ͷϩάΛॲཧ • Ұൠతͳϩά؅ཧ੡඼ͱൺֱͯ͠ 1/4 ҎԼͷίετ • 2໊Ͱӡ༻
40. Security by builders:
 ͜Ε͔ΒͷϢʔβاۀͷηΩϡϦςΟ
41. ʮηΩϡϦςΟରࡦʯ͸౰ͨΓલʹͳͬͨ • ߈ܸ͸ΑΓ༰қʹɺΑΓ೔ৗతʹ • ͲΜͳαΠζͷ૊৫΋ηΩϡϦςΟΛؾʹ͍ͯ͠Δ • ηΩϡϦςΟͷͨΊͷ੡඼΍αʔϏε͸૿Ճ͠ଓ͚͍ͯΔ
42. ʮങͬͯઃஔʯ͚ͩͰ͸ෆे෼ • ର৅ʹ߹Θͤͨߴ౓ͳ߈ܸ • e.g.) Web ΞϓϦέʔγϣϯʹର͢Δ߈ܸ, ඪతܕ߈ܸ • ʮίϯςΩετʯͷ࣮૷͸౰ࣄऀʹ͔͠Ͱ͖ͳ͍ • ըҰతͳ๷ޚ͚ͩͰͳ͘γεςϜ΍؀ڥʹ߹Θͤͨݕ஌ɾରԠ • e.g.) ΞϓϦέʔγϣϯϩάͷ෼ੳ, ࣾ಺γεςϜͱͷ࿈ܞ
43. σʔλऩूͱݕ஌ • ࿈ܞͷ伴͸σʔλ (ϩά, Ξϥʔτ, etc) • ηΩϡϦςΟ੡඼͚ͩͰͳ͍σʔλͷऩूͱ෼ੳ͕ඞཁ͕ͩ… • ӡ༻ʹਓख΋ۚમίετ΋͔͔Δ • τϥϑΟοΫ૿ՃʹΑΓ͞Βʹ૿େ • ӡ༻ऀʹ΋࢖͍΍͘͢εέʔϧ͢Δ࢓૊Έͮ͘Γ͕ෆՄܽ
44. Ϋϥ΢υͰηΩϡϦςΟΛʮͭ͘Δʯ • αʔϏε΍૊৫ͷίϯςΩετΛηΩϡϦςΟγεςϜʹؚΊΔ • ϚωʔδυαʔϏεΛར༻ͭͭ͠औΓ૊Ή΂͖ՕॴʹऔΓ૊Ή • AWS Λ࢖ͬͨηΩϡϦςΟͷՄೳੑ • εέʔϥϒϧͳσʔλॲཧج൫ (S3, Athena, Kinesis, EMR, Redshift..) • ҟৗݕ஌ͷ࣮૷ (SageMaker, Forecast) • ࣮ੈքͷηΩϡϦςΟ (IoT, Kinesis Video Streams, Rekognition)
45. Ͳ͏ͭ͘Δ͔: ʮࢭΊΔʯ͚ͩͰ͸଍Γͳ͍ • ʮ׬શͳ๷ޚʯʹۙͮ͘΄ͲίϯϑϦΫτ͕ى͖Δ • ΞϓϦέʔγϣϯͷػೳ΍Ϗδωεͦͷ΋ͷͱিಥ͢Δ • ʮ๷ޚʯ͚ͩͰ͸कΓ͖Δ͜ͱ͕Ͱ͖ͳ͍ • Ϗδωεͷ଎౓Λอͪͳ͕ΒʮकΔʯʹ͸Ͳ͏͢Ε͹ྑ͍ʁ • ʮͭ͘ΔਓʯΛ્֐͠ͳ͍࢓૊Έʹ͢Δඞཁ͕͋Δ
46. ʮήʔτΩʔύʔʯ͔ΒʮΨʔυϨʔϧʯ΁ • ʮͭ͘ΔਓʯΛޙԡ͢͠ΔηΩϡϦςΟ • ͱΓ͋͑ͣࢭΊΔͷͰ͸ͳ͘Կ͔͋ͬͨͱ͖ʹकͬͯ͘ΕΔ • ϩάج൫͸ͦͷ࢓૊ΈͷҰͭ
47. ΨʔυϨʔϧͷྫ • ϝΠϯ؀ڥͱಉ౳ͷηΩϡϦςΟϨϕϧΛ֬อ͠ͳ͕Β
 ࣗ༝ʹ࢖͑Δ AWS ΞΧ΢ϯτΛ։์ • ։ൃऀ޲͚ΞΧ΢ϯτ (ࣗ༝ʹར༻Ͱ͖ΔΞΧ΢ϯτ) • ةݥͳ API ΛࢭΊΔ, ؂ࢹ (IAM, CloudTrail), ةݥͳઃఆΛ௨஌ (Config) • νʔϜ͝ͱͷΞΧ΢ϯτ (ಛʹࣗ༝ͳ؀ڥ͕ඞཁͳ৔߹) • ηοτΞοϓ࣌ʹ CloudTrail, GuardDuty, Config ͳͲΛల։ • ؂ࢹ͸ϩάج൫ʹू໿ͯ͠ߦ͏
48. ʮͭ͘Δྗʯ͕ॏཁ • ੈքͷηΩϡϦςΟνʔϜ΋औΓ૊Έ࢝Ί͍ͯΔ • “Builder” ͱͯ͠ͷྗ • ࢖͏ٕज़Λબͼɺઃܭ͠ɺίʔυΛॻ͖ɺ૊৫΍ϓϩηεʹ
 ηΩϡϦςΟΛ૊ΈࠐΉ • ʮͭ͘ΔʯͨΊͷෑډ͸Լ͕Γଓ͚͍ͯΔ • ίϯϙʔωϯτͱͯ͠࢖͑ΔαʔϏε͸೔ʑ૿͍͑ͯΔ
49. https://unsplash.com/photos/1eFgYRwYctg
50. ϏδωεΛՃ଎Ͱ͖ΔηΩϡϦςΟ΁ • ͪΌΜͱػೳ͢ΔʮΨʔυϨʔϧʯͷԼͰ • ҆৺ͯ͠શ଎ྗΛग़ͤΔ؀ڥͮ͘Γ
51. Security for builders, by builders
52. We’re hiring • ʮຖ೔ͷྉཧΛָ͠Έʹ͢ΔʯͨΊͷηΩϡϦςΟΛ
 Ұॹʹͭ͘Γ·ͤΜ͔ʁ https://cookpad.jobs/
53. Fin.