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スケーラブルなセキュリティ監視基盤の作り方 /techconf2019-mizutani
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Masayoshi Mizutani
February 27, 2019
Technology
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スケーラブルなセキュリティ監視基盤の作り方 /techconf2019-mizutani
Masayoshi Mizutani
February 27, 2019
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Transcript
ਫ୩ ਖ਼ܚ ٕज़෦ ηΩϡϦςΟάϧʔϓ εέʔϥϒϧͳηΩϡϦςΟ ࢹج൫ͷ࡞Γํ
ࣗݾհɿਫ୩ਖ਼ܚ (@m_mizutani) 2 w લ৬ w ใηΩϡϦςΟؔ࿈ͷݚڀ։ൃ w ηΩϡϦςΟΦϖϨʔγϣϯηϯλʔͷΞφϦετ w
݄ΫοΫύουೖࣾ w ٕज़෦ηΩϡϦςΟάϧʔϓάϧʔϓ w ηΩϡϦςΟࢹΛத৺ʹηΩϡϦςΟؔ࿈ۀʹैࣄ
ηΩϡϦςΟ ࢹͯ͠·͔͢ʁ
ηΩϡϦςΟରࡦͷશମ૾ 4 ޚ ݕग़ ରԠ ੬ऑੑΛվળ͢Δ ෆཁͳαʔϏεΛด͡Δ ݖݶͷ੍ݶ ৵ೖ͞Εͯ͠·ͬͨࠟͷൃݟ ෆਖ਼ͳαʔϏεར༻ͷൃݟ
ΠϯγσϯτϨεϙϯε վળͷੳ
ηΩϡϦςΟରࡦͷશମ૾ 5 ޚ ݕग़ ରԠ ੬ऑੑΛվળ͢Δ ෆཁͳαʔϏεΛด͡Δ ݖݶͷ੍ݶ ৵ೖ͞Εͯ͠·ͬͨࠟͷൃݟ ෆਖ਼ͳαʔϏεར༻ͷൃݟ
ΠϯγσϯτϨεϙϯε վળͷੳ ࢹ
ͳͥࢹ͢Δͷ͔ 6 w ޚͷઌΛߏ͑Δඞཁ͕͋Δ w શͳޚ͋Γ͑ͳ͍ w ݕग़ͷํ͕ར༻ऀͷෛ୲͕গͳ͍ w աͳޚ੍͕ଟ͘ͳΓϢʔβϏϦςΟΛ્͢Δ
w ޚޡͬͯಈ࡞ͨ͠߹ͷӨڹେ͖͍
ຊͷτϐοΫɿεέʔϥϒϧͳࢹ 7 w εέʔϥϒϧͱ w αʔϏεͷن͕େ͖͘ͳͬͯରԠͰ͖Δ w ࢹ͢Δର͕૿͑ͯରԠͰ͖Δ w Կ͕ࠔΔͷʁ
w ෳαʔϏεͱͷ݁߹ w σʔλྲྀྔͷ૿Ճ w Ξϥʔτʢޡݕग़ؚΉʣͷରԠ ࠓ͜͜ʹ
ηΩϡϦςΟࢹʹ͓͚Δফ 8 Ξϥʔτͷରʹͳͬͨ1$ ΛௐͯΈ͚ͨͲ݁ہԿ͕͋ͬ ͨͷ͔Α͘Θ͔Βͳ͔ͬͨʜ 8FCࠂͷεΫϦϓτ͕ ߈ܸͱఆ͞Ε͍ͯͨʜ ϦϞʔτϫʔΫͷࣾһͷ ΞΫηε͕ෆਖ਼ϩάΠϯ ͷஹީͱͯ͠ݕग़͞Εͨʜ
ϝʔϧαʔό͔Βͷ%/4 ௨৴͕ෆਖ਼ͳ׆ಈͱఆ ͞Ε͍ͯͨʜ ͭΒ͍ Ξϥʔτʹग़͖ͯͨαʔϏ εͷ༰͕Α͘Θ͔Βͳ͍ɻ Ͳ͏அ͢Εʜ
ফΛແͨ͘͢Ίʹ 9 w ݕͷϧʔϧͰෆཁͳΞϥʔτΛআ֎͢ΔΑ͏ௐ͢Εྑ͍͕ɺ w ʮͪΌΜͱௐޙͷϧʔϧ͕ಈ͔͘Θ͔Βͳ͍ʜʯ w ʮෆཁͱஅ͢ΔϩδοΫΛϧʔϧʹॻ͚ͳ͍ʜʯ w ʮෆཁͱஅ͢ΔͨΊʹՃͰใΛूΊͳ͍ͱແཧʜʯ
Security as Code 10
Security as Code ʢϩάऩूͱੳʣ 11 w ݕʹؔΘΔॲཧΛίʔυԽ͢Δ͜ͱͰղܾ w มߋޙͷϧʔϧΛςετՄೳ w
Ξϥʔτఆ݅ͷߴ͍هड़ྗ w ࣗಈతͳՃσʔλऩूʹΑΔলྗԽ w όʔδϣϯཧʹΑΔอकੑͷ্
3rd Party Services ΞϥʔτॲཧͷύΠϓϥΠϯ 12 S3 ϩάσʔλ Ξϥʔτͷݕग़ ؔ࿈ใͷऩू ΞϥʔτͷධՁ
ରԠঢ়گͷڞ༗ ؔ࿈ใͷू Ξϥʔτͷ௨ 3rd Party Services Internal Data Source
Ξϥʔτͷݕग़ 13 w 4ʹసૹ͞Εͨϩά͔ΒΞϥʔτ Λݕग़͢ΔͨΊͷॲཧ w ηΩϡϦςΟϓϩμΫτ͕Ξϥʔτ ͱͯ͠ൃใͨ͠ϩάͷநग़ w ͦͷଞɺϩάͰෆ৹ͳߦಈ͕͋ͬͨ
߹ʹΞϥʔτͱͯ͠ൃใ Ξϥʔτݕग़-BNCEB ʢݕग़ϧʔϧʣ োൃੜ࣌ʹॲཧ࠶։Λ ༰қʹ͢ΔͨΊ,JOFTJT %BUB4USFBNΛར༻ ฒྻॲཧͷͨΊͷ %JTQBUDIFS S3 Bucket SNS S3 Bucket S3 Bucket SNS SNS Lambda Kinesis data stream Lambda Lambda Lambda Lambda SNS
͜͜ʹ۩ମྫ 14 ಛఆͷυϝΠϯ໊ΛؚΉ63-͔ͭɺ ಛఆͷݕ໊Ͱ͋Εޡݕͱఆ͢Δ ಛఆͷαΠτͰ0QFO44-ؔ࿈ͷ%P4͕ޡݕग़͞Εͯ͠·͏έʔε
15 ಛఆͷλάΛͭΠϯελϯεͰ͋Γɺ ಛఆͷυϝΠϯ໊ʹؔ͢ΔൃใͰ͋Εޡݕͱఆ͢Δ ϝʔϧαʔό͔Βෆਖ਼ར༻υϝΠϯͷ%/4ΫΤϦ͕ૹ৴͞ΕΔέʔε
Ξϥʔτؔ࿈ใͷऩू 16 w ֎෦͔Βͷऩू w ྫʣϚϧΣΞؔ࿈ใαΠτ w ྫʣαϯυϘοΫεαΠτ w ෦͔Βͷऩू
w ྫʣؔ࿈Ϣʔβͷߦಈϩά w ྫʣΞΫηεݩσόΠεͷใ Ξϥʔτʹؔ࿈ͨ͠ϩά ͷ౸ணΛͭͨΊͷ%FMBZ ใऩूͷ݁ՌΛ ͭͨΊͷ%FMBZ Ξϥʔτݕͷ௨ ใऩूͷ݁ՌΛ ͭͨΊʹ%FMBZ ใऩू -BNCEB Lambda Lambda Lambda Lambda Lambda Lambda DynamoDB SNS SNS Step Function Step Function
DynamoDB Step Function Lambda Lambda Lambda (1) Invoke (2) Invoke
(3) Invoke ΞϥʔτͷධՁ 17 w Ξϥʔτʴऩूͨؔ͠࿈ใ͔ΒϦ εΫධՁͯ݁͠ՌΛ௨ w ෳͷใΛΈ߹ΘͤΔ͜ͱͰΑ Γਫ਼ີͳධՁ͕Մೳ w ίʔυͱͯ͠هड़͓ͯ͘͜͠ͱͰ୭ ͕ͲͷΑ͏ͳҙਤͰϩδοΫ͕मਖ਼ ͞Ε͔ͨΛѲ͍͢͠ ௨ͳͲ ϦεΫධՁ -BNCEB ใऩूޙʹൃಈ ؔ࿈ใΛूੵ ؔ࿈ใΛϚʔδ ධՁྃͷ௨
͜͜ʹ۩ମྫ 18 ීஈͱҟͳΔΞΫηεΛݕग़͢ΔΞϥʔτ͔ͭɺ ΫοΫύουॴ༗ͷσόΠεͰ͋ͬͨ߹ɺڴҖແ͠ͱධՁ͢Δ ௨ৗͱҟͳΔωοτϫʔΫɾϢʔβ͔ΒͷΞΫηεΛݕग़ͨ͠ΞϥʔτͷධՁ
·ͱΊ 19 w αʔϏεͷنछྨΛ૿͢ʹ͋ͨΓɺηΩϡϦςΟࢹσʔ λͷछྨɾྲྀྔҎ֎ʹΞϥʔτରԠͷεέʔϥϏϦςΟΛߟ͑ͳ͍ ͱͳΒͳ͍ w ΞϥʔτݕɾੳɾධՁͷॲཧΛίʔυԽ͢Δ͜ͱʹΑͬͯɺ୲ ऀͷෛՙΛܰݮ͠ͳ͕ΒࢹۀΛܧଓͰ͖Δ
Thank you!!