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Why Shadow IT is Bad?
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rotomx
October 27, 2020
Business
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Why Shadow IT is Bad?
2020/10/27 LINE WORKS USER GROUP 勉強会 #LWUG で発表した登壇資料です
https://lwug.connpass.com/event/192118/
rotomx
October 27, 2020
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Transcript
1 ݸਓ͚࿈བྷπʔϧΛࣄͰʂʁ ߟ͑Δ͖ʮཧʯͱʮηΩϡϦςΟʯͱʁ גࣜձࣾҰٳࣾใγεςϜ෦ େଟ྄ -86(
2 ΞδΣϯμ ɹࣗݾհ ɹձࣾɾαʔϏεհ ɹҰٳʹ͓͚Δ-*/&803,4׆༻ ɹγϟυʔ*5ͳͥμϝͳͷ͔ ɹ͓ΘΓʹ
͡Ίʹ ɾൃද༰ݸਓͷҙݟɺݟղͰ͋Γɺॴଐ৫Λද͢ΔͷͰ͋ Γ·ͤΜɻ࣭͝͝ҙݟɺ͝૬ஊݸਓѼͯʹ͍ͩ͘͞ ɾӡ༻ϙϦγʔ͢Ͱʹมߋ͞Ε͍ͯΔՄೳੑ͕͋Γɺݱࡏద༻͞ Ε͍ͯΔ͜ͱΛอূ͢ΔͷͰ͋Γ·ͤΜ ɾ৫ͷنۀքɺจԽʹΑͬͯͯ·Βͳ͍༰͋Γ·͢ ɾҾ༻͍ͯ͠ΔΩϟϓνϟɺϩΰɺΠϥετͳͲͷը૾σʔλͷஶ࡞ݖ શͯҾ༻ݩʹؼଐ͠·͢ 3
ࣗݾհ େଟ྄3ZP0UBXB !SPUPNY ɾגࣜձࣾҰٳʢʣ ɾཧຊ෦ࣾใγεςϜ෦ ɹίʔϙϨʔτΤϯδχΞ ɾ-*/&803,4Ξϯόαμʔ ɾγεςϜاըɺΠϯϑϥɺใηΩϡϦςΟϚωδϝϯτͳͲ
5 ɹגࣜձࣾҰٳ ɹॴࡏɿ౦ژߓ۠ࡔ ɹઃɹཱɿ ɹࢿຊۚɿ ԁ ɹैۀһɿ໊ ɾ·Ͱ౦ূҰ෦্ ɾҎ߱ɺ;ϗʔϧσΟϯάεʢچɾϠϑʔʣࢠձࣾ
ɾ॓ധ༧ࣄۀɺϨετϥϯ༧ࣄۀͳͲ ձࣾɾαʔϏεհ
ձࣾɾαʔϏεհ 6 https://www.ikyu.co.jp/
7 ձࣾɾαʔϏεհ https://www.ikyu.com/special/01/goto/
ձࣾɾαʔϏεհ 8 ࣾһσʔλ https://speakerdeck.com/kensuketanaka/introduce-ikyu
ձࣾɾαʔϏεհ ҰٳDPNʢߴڃϗςϧɾཱྀؗɾିผͷ॓ധ༧αΠτʣ 9 https://www.ikyu.com/
ձࣾɾαʔϏεհ ҰٳDPNϨετϥϯʢϫϯϥϯΫ্ͷϨετϥϯ༧αΠτʣ 10 https://restaurant.ikyu.com/
ձࣾɾαʔϏεհ ҰٳDPNεύʢ্࣭ͳϗςϧɾཱྀؗɾϦκʔτεύͷ༧αΠτʣ 11 https://spa.ikyu.com/
ओͳࣾITπʔϧ ձࣾɾαʔϏεհ 12 άϧʔϓΣΞ ࣾίϛϡχέʔγϣϯ Webձٞ ి ใڞ༗ ࣾ֎ίϛϡχέʔγϣϯ
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ ಋೖͷഎܠ ɾࣾͷίϛϡχέʔγϣϯʮSlackʯΛશࣾಋೖࡁΈ ɹ→ ࣾһಉ࢜ͷΓͱΓ Slack ʹू
ɹɹ- શࣾΞφϯεɺۀ࿈བྷɺChatOpsɺࡶஊ ɾ͍ͬΆ͏ɺࣾ֎ͱͷۀ࿈བྷʮϝʔϧ or ిʯ͕த৺ ɹ→ औҾઌࢪઃʢϗςϧཱྀؗʣϨετϥϯళฮͷ୲ऀ ɹɹ- ܝࡌϓϥϯͷใมߋɺ༧ΩϟϯηϧͷϦηʔϧ ɹɹɹ→ ϝʔϧΑΓεϐʔυײͷ͋Δίϛϡχέʔγϣϯ͕ඞཁ 13
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ ಋೖͷഎܠ ɾళฮ୲ऀௐཧʑͷΦϖϨʔγϣϯʹࡴ ɹ- ύιίϯʹ͔ͬͯϝʔϧΛ࡞ɾ֬ೝ͢Δ͕࣌ؒͳ͍ ɹɹ→ εϚʔτϑΥϯͰɺΑΓΧδϡΞϧʹ࿈བྷΛ͍ͨ͠
14 ݸਓ͚࿈བྷπʔϧ͕ۀར༻͞ΕΔʮγϟυʔITʯঢ়ଶʹ
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ γϟυʔITͱ ɾձ͕ࣾѲɺཧͤͣۀར༻͞ΕΔʮITʯͷ͜ͱ - ݸਓ͚࿈བྷπʔϧɺSNSɺΫϥυαʔϏεɺະڐՄͷࢲ ɾใྲྀग़ͳͲɺใηΩϡϦςΟ্ͷϦεΫͷ͋Δঢ়ଶ
ɾৄ͘͠ޙ΄Ͳ͓͠·͢ 15
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ LINE WORKS ಋೖલ ɾࢪઃɺళฮ୲ऀͱݸਓ͚ʮLINEʯͰΓͱΓΛߦ͏ ɹ- Ӧۀ୲ʹۀ༻
iPhone Λࢧڅ ɹ- ϓϥΠϕʔτ LINE ͱ͚ͨʮۀ༻ LINE ΞΧϯτʯΛ࡞ ɹɹ→ ձࣾͰཧɺࠪͰ͖͍ͯͳ͍ঢ়ଶʢݸʑͷཧʹґଘʣ 16
ͳͥ LINE WORKS ʹͨ͠ͷ͔ ɾʮ֎෦LINE࿈ܞʯͰݸਓ͚ LINE ͱͭͳ͕Δ͜ͱ͕Ͱ͖Δ ɹ- ࢪઃɺళฮଆͷΦϖϨʔγϣϯΛม͑ͣʹࡁΉ ɾLINE
WORKS ଆͷ UI / UX ͕ LINE ͱ͍ۙ ɹ- Ӧۀ୲ଆͷڭҭίετ͕͍ ɾձࣾͰ๏ਓར༻Ͱ͖Δཧɺࠪػೳ͕ॆ࣮͍ͯ͠Δ ɹ- SAML/SSOɺࠪϩάɺΞΧϯτूதཧ 17 Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ LINE WORKS ಋೖޙ ɾγεͰ LINE WORKS
ͷΞΧϯτΛཧɺൃߦ ɹ- Ӧۀ୲ SSOʢγϯάϧɾαΠϯΦϯʣͰϩάΠϯ ɾʮ֎෦LINE࿈ܞʯʹΑΓɺࢪઃɺళฮ୲ऀͷ LINE ͱ࿈ܞ ɹ→ ձࣾͰཧɺࠪͰ͖Δ౷੍ঢ়ଶ 18
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ LINE WORKS Ҡߦͷલ४උ ɾۀ༻ iPhone Ͱ
LINE Λར༻͍ͯ͠Δࣾһͷ୨͓Ζ͠ ɹɹ→ MDMʢϞόΠϧσόΠεཧʣ͔Βར༻ऀҰཡΛग़ྗ ɾSlack ্Ͱར༻ऀʹରͯ͠ΞϯέʔτΛ࣮ࢪ ɹɹ→ ҎԼͷ4ύλʔϯʹྨ ɹɹɹ1. औҾઌͱͷ࿈བྷʹ͍ͬͯΔ ɹɹɹ2. ैۀһಉ࢜ͷࣾ࿈བྷʹ͍ͬͯΔ ɹɹɹ3. ݕূͰ͍ͬͯͯɺ࿈བྷʹ͍ͬͯͳ͍ ɹɹɹ4. Πϯετʔϧ͍ͯ͠Δ͕ɺҰ͍ͬͯͳ͍ 19
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ ઐ༻ͷ Slack νϟϯωϧΛ࡞ΓɺϦΞΫγϣϯΛͬͨΞϯέʔτ࣮ࢪ 20
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ Ξϯέʔτ݁Ռ͔Β࣮ࡍʹඞཁͳϥΠηϯεΛࢉग़ ɾΞϯέʔτͰʮऔҾઌͱͷ࿈བྷʹ͍ͬͯΔʯͱճͨ͠ਓ ɹɹ- ैۀһಉ࢜ɺ͍ͬͯͳ͍ͱճͨ͠ਓΞϯΠετʔϧΛґཔ ɾਓһܭըͱরΒ͠߹Θͤɺ৽ೖࣾһͷ༧උؚΊͨݟੵΓΛऔಘ 21
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ ใηΩϡϦςΟཁ݅ʹ͍ͭͯ CISO ૬ஊ ɾChief Information Security
Officerɿ࠷ߴใηΩϡϦςΟऀ ɾΫϥυαʔϏεಋೖ࣌ͷཁ݅ʢҰྫʣ ɹ- SAML/SSO ͰΞΧϯτཧɺϩάΠϯՄೳͳ͜ͱ ɹ- ใηΩϡϦςΟنଇʹԊͬͨظؒͷࠪϩάͷऔಘ͕Ͱ͖Δ͜ͱ 22
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ ϥΠτϓϥϯͰ SAML/SSO ͕ར༻Մೳ ɾ࠷҆ͷ༗ྉϓϥϯʢ300ԁ/݄ʣͰ SSO ͕Ͱ͖Δ
23 https://line.worksmobile.com/jp/pricing/
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ ϥΠτϓϥϯͰ SAML/SSO ͕ར༻Մೳ ɾ࠷҆ͷ༗ྉϓϥϯʢ300ԁ/݄ʣͰ SSO ͕Ͱ͖Δ
ɹɹ- SAMLɿϢʔβʔೝূΛߦ͏ͨΊͷϚʔΫΞοϓݴޠʢن֨ʣ ɹ- SSOɿҰͷϢʔβʔೝূͰෳͷϦιʔεʹϩάΠϯͰ͖Δ͜ͱ ɹɹɹɹɹ→ Ϣʔβʔݸผͷ ID / PW Λೖྗ͢Δඞཁ͕ແ͍ ɾAzure Active DirectoryʢAzure ADʣͰ SAML/SSO Λ࣮ 24
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ ΞʔΧΠϒΦϓγϣϯʢࠪϩάʣΛΦϓγϣϯͰՃՄೳ ※ ɾϓϨϛΞϜϓϥϯͷػೳʮΞʔΧΠϒʯΛՃΦϓγϣϯͱͯ͠ ɹ୯ମͰϥΠτϓϥϯʹՃͰ͖Δʢ200ԁ/݄ʣ ɹ˞ ൢചཧళଆͷΦϓγϣϯ
ɹ→ ࠷10ؒͷϩάอ͕Մೳ 25 ϥΠτϓϥϯ + ΞʔΧΠϒΦϓγϣϯ Ͱಋೖ
Ұٳʹ͓͚Δ LINE WORKS ͷ׆༻ LINE WORKS ͷҠߦɺγϟυʔITղফ ɾҠߦରऀ༻ͷ Slack νϟϯωϧΛ࡞͠ɺΞφϯε
ɾҠߦυΩϡϝϯτɺFAQ ͷ࡞ͱ Slack ্ͰͷαϙʔτΛ࣮ࢪ 26
γϟυʔITͳͥμϝͳͷ͔ 27 https://note.com/rotomx/n/n2a2d719dda76
γϟυʔITͳͥμϝͳͷ͔ ձࣾͰϥΠηϯεͷཧΛߦ͑ͳ͍ ɾࣾITπʔϧγε͕ϥΠηϯεཧΛߦ͍ͬͯΔ ɹ- ৫ͷن༻్ʹ࠷దͳϥΠηϯεΛߪೖɺׂ ͳͥμϝͳͷ͔ʢى͜Γ͏ΔϦεΫʣ ɹ- ෳਓͰͷΞΧϯτ͍·Θ͠ ɹ- ར༻نҧʢݸਓ͚ϥΠηϯεͷ༻ར༻ͳͲʣ
ɹ→ ҙਤͤͣෆਖ਼ར༻ʹͳ͍ͬͯΔ͜ͱ͕͋Δ 28
γϟυʔITͳͥμϝͳͷ͔ ձࣾͰΞΧϯτͷཧΛߦ͑ͳ͍ ɾࣾITπʔϧγε͕ΞΧϯτͷཧΛߦ͍ͬͯΔ ɹ- ೖୀࣾҟಈɺٳ৬ʹͱͳ͏ΞΧϯτঢ়ଶͷϝϯςφϯε ɹ- ୀ৬ऀࣾͷใʹΞΫηεͰ͖ͳ͘ͳΔ ͳͥμϝͳͷ͔ʢى͜Γ͏ΔϦεΫʣ ɾΞΧϯτΛఀࢭͰ͖ͣɺୀ৬ޙใΛӾཡͰ͖ͯ͠·͏ ɹ→
ػີใͷ࣋ͪग़͠ͳͲɺใ࿙͍͑ɺྲྀग़ʹͭͳ͕ΔڪΕ͕͋Δ 29
γϟυʔITͳͥμϝͳͷ͔ ౪ɾฆࣦରԠͰ͖ͳ͍ ɾձࣾࢧڅ MDM ʹΑͬͯϦϞʔτϩοΫɺॳظԽ͕Մೳ ɹ- ౪ɺฆࣦ࣌γε͔ΒϦϞʔτରԠΛߦ͏ ɾࣾITπʔϧγε͔ΒΞΧϯτͷఀࢭ͕Մೳ ͳͥμϝͳͷ͔ʢى͜Γ͏ΔϦεΫʣ ɾݸਓͷ౪ɺฆࣦ࣌ʹԿ͢Δ͜ͱ͕Ͱ͖ͳ͍
ɹ→ ѱҙͷ͋Δୈࡾऀ͔Βͷใ࿙͍͑ɺྲྀग़ʹͭͳ͕ΔڪΕ͕͋Δ 30
γϟυʔITͳͥμϝͳͷ͔ ύεϫʔυΛϦηοτͰ͖ͳ͍ ɾࣾITπʔϧ SSO ʹͳ͍ͬͯΔ͔ɺγεͰύεϫʔυͷॳظԽ ΞΧϯτϩοΫͷղআΛߦ͑Δ ͳͥμϝͳͷ͔ʢى͜Γ͏ΔϦεΫʣ ɾձࣾͰཧ͍ͯ͠ͳ͍ͨΊɺγεͰϦηοτෆՄ ɹ→ ࣗࣗͰӡӦձࣾϦηοτͷखଓ͖͕ඞཁ
ɹɹ- खଓ͖͕͔Βͳ͍ͱۀ͕ࢭ·ͬͯ͠·͏͜ͱ 31
γϟυʔITͳͥμϝͳͷ͔ ޡૹ৴ͷϦεΫ͕͋Δ ɾݸਓ͚࿈བྷπʔϧʹݸਓͷ࿈བྷઌʢ༑ਓͳͲʣ͕ೖ͍ͬͯΔ ɹ→ ݸਓͷ࿈བྷઌͱɺۀͷ࿈བྷઌʢ্࢘औҾઌͳͲʣ͕ࠞ߹͢Δ ɾݸਓ͚࿈བྷπʔϧɺද໊͕ࣔຊ໊Ͱͳ͍͜ͱ͕ଟ͍ ͳͥμϝͳͷ͔ʢى͜Γ͏ΔϦεΫʣ ɾޡͬͯݸਓͷ࿈བྷઌʹɺػີใΛૹ৴ͯ͠͠·͏ ɹ→ ҙਤͤͣɺใ࿙͍͑ɺྲྀग़ʹͭͳ͕ΔڪΕ͕͋Δ
32
γϟυʔITͳͥμϝͳͷ͔ ࠪϩάΛऔಘͰ͖ͳ͍ ɾࣾITπʔϧ্ͰͷίϛϡχέʔγϣϯϩάΛऔಘɺอ͍ͯ͠Δ ɾ༗ࣄͷࡍʹϩάͷࠪΛߦ͏ ͳͥμϝͳͷ͔ʢى͜Γ͏ΔϦεΫʣ ɾݸਓ͚࿈བྷπʔϧ৺ཧతͳڑ͕ۙ͘ͳΓɺެࢲͷ۠ผ͕͖ʹ ͘͘ͳΔ ɹ- ۀ࣌ؒ֎ͷ࿈བྷɺηΫϋϥɺύϫϋϥͳͲͷڪΕ ɹɹ→
ϩάΛࠪͰ͖ͣɺࣾһΛकΔ͜ͱ͕Ͱ͖ͳ͘ͳΔ 33
͓ΘΓʹ γϟυʔIT ใηΩϡϦςΟϦεΫͷ۸ ɾ৫ͱͯ͠ར༻͢Δʹ༷ʑͳΛ๊͍͑ͯΔঢ়ଶ ɾγεͷઐऀ͕͍ͳ͍ͱى͜Γ͍͢ ɹ- தখاۀɺٸϕϯνϟʔɺখنͳళฮͳͲ ҋӢʹར༻Λېࢭ͢Δɺ͚ͩͰҙຯ͕ͳ͍ ɾϧʔϧͰറͬͨͱ͜ΖͰΠλνͬ͜͝ ɾใηΩϡϦςΟΛ୲อͭͭ͠ɺੜ࢈ੑΛԼ͍͚͛ͯͳ͍
ɹ→ γεదͳϦεΫͷઆ໌ɺదͳࣾITπʔϧͷల։Λ 34