Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
応募課題(’25広島)
Search
BocchiMan
March 22, 2026
Education
1.3k
0
Share
応募課題(’25広島)
BocchiMan
March 22, 2026
More Decks by BocchiMan
See All by BocchiMan
セキュリティ・キャンプミニ@26in東京 Aトラック応募課題
forget1900
0
6
セキュリティ・キャンプミニ@26in東京 Bトラック応募課題
forget1900
0
5
Other Decks in Education
See All in Education
モブ社員がモブエンジニアを名乗って得られたこと_20260413
masakiokuda
4
450
理工学系 第1回大学院説明会2026|東京科学大学(Science Tokyo)
sciencetokyo
PRO
1
1.6k
0318
cbtlibrary
0
100
計算物理におけるGitの使い方 / 01-c-compphys
kaityo256
PRO
2
600
高校数学とJulia言語
shimizudan
0
150
Measuring what matters
jonoalderson
0
250
バージョン管理とは / 01-a-vcs
kaityo256
PRO
1
310
Protecting Patrons with Digital Vendors
dsalo
0
110
AWS Certified Generative AI Developer - Professional Beta 不合格体験記
amarelo_n24
1
190
Gluon Recruit Deck
gluon
0
170
Multimodal Interaction - Lecture 3 - Next Generation User Interfaces (4018166FNR)
signer
PRO
0
2.1k
SARA Annual Report 2025-26
sara2023
1
300
Featured
See All Featured
Everyday Curiosity
cassininazir
0
200
First, design no harm
axbom
PRO
2
1.2k
Accessibility Awareness
sabderemane
1
100
Why You Should Never Use an ORM
jnunemaker
PRO
61
9.8k
Claude Code のすすめ
schroneko
67
220k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
49
9.9k
Navigating Algorithm Shifts & AI Overviews - #SMXNext
aleyda
1
1.2k
Winning Ecommerce Organic Search in an AI Era - #searchnstuff2025
aleyda
1
2k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.8k
KATA
mclloyd
PRO
35
15k
Embracing the Ebb and Flow
colly
88
5k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
11
900
Transcript
ηΩϡϦςΟɾΩϟϯϓϛχ'25 ౡ։࠵ Ԡื՝ࡽ͠ ΅ͬͪ·Μ/ @forget1900
ʲ̍ʳ Ԡืಈػʹ͍ͭͯ
ճ ɹࢲ౷ܭղੳݚڀࣨʹॴଐ͠ɺ౷ܭֶͷࣝPythonɾRΛ༻͍ ͨσʔλੳΛֶश͍ͯ͠·͢ɻͱͱֶʹؔ৺͕͋Γࣗओ ֶशΛਐΊ͓ͯΓ·͕ͨ͠ɺେֶͷߨٛͰɺֶ͕҉߸ ཧූ߸ཧΛհͯ͠ใཧͱີʹ݁ͼ͍͍ͭͯΔ͜ͱΛ Γ·ͨ͠ɻಛʹɺֶతͳཧ͕͍͔ʹͯ͠ใͷ҆ఆ͔ͭਖ਼֬ͳ ୡΛ࣮ݱ͍ͯ͠Δͷ͔ͱ͍͏Έʹڧ͍ح৺Λ๊͍͍ͯ· ͢ɻɹຊϛχΩϟϯϓͷࢀՃΛ௨͡ɺ͜Ε·ͰֶΜͰ͖ͨཧ͕ ࣮ࣾձʹٕज़ͱͯ͠ͲͷΑ͏ʹ׆༻͞Ε͍ͯΔͷ͔Λਂֶ͘ͼͨ ͍ͱߟ͑ɺԠื͍ͨ͠·ͨ͠ɻ
ʲ͖̍ͭͮʳ ͜ͷߨٛͰֶΜͩ͜ͱΛԿʹཱ͍͔ͯͨ
ճ ɹຊߨٛΛ௨ͯ͡ɺใཧͷநతͳ֓೦͕ɺ࣮ࡍͷ௨৴σʔ λॲཧͷݱͰ۩ମతʹͲͷΑ͏ʹ׆༻͞Ε͍ͯΔͷ͔Λֶͼ͍ͨ ͱߟ͍͑ͯ·͢ɻ·ͨɺཧΛ࣮ʹམͱ͠ࠐΉࡍͷٕज़తͳ ɺݱࡏ໘͍ͯ͠Δ՝ͱͦͷରॲ๏ΛֶͿ͜ͱͰɺଟ֯తͳࢹ Λཆ͍͍ͨͰ͢ɻকདྷɺ͜͜ͰಘͨݟΛࣗͷݚڀʹ׆͔͢ ͱͱʹɺΑΓݎ࿚ͳ҉߸ٕज़ͷൃలʹߩݙͰ͖ΔਓࡐΛࢦ͠ ͍ͨͱߟ͍͑ͯ·͢ɻ
ʲ2ʳ TLS௨৴ʹ͓͍ͯɺΫϥΠΞϯταʔόʔ͔Βૹ৴͞Ε Δূ໌ॻͷݕূΛߦ͍·͢ɻ ͜ͷূ໌ॻݕূͷΈʹ͍ͭͯௐɺαʔόʔͷਖ਼ੑΛͲͷΑ ͏ͳखॱͰ֬ೝ͍ͯ͠Δͷ͔ɺॱংཱͯͯઆ໌͍ͯͩ͘͠͞ɻ
ճ(1/3) ɹTLS௨৴ʹ͓͍ͯɺΫϥΠΞϯτʢWebϒϥβʣଓઌͷ αʔόʔ͕ਅਖ਼ͳͷͰ͋Δ͔Λ֬ೝ͢ΔͨΊɺʮެ։伴ূ໌ॻʯ Λ༻͍ͨݕূΛߦ͍·͢ɻݕূͷྲྀΕʹ͍ͭͯҎԼͰઆ໌͢Δɻ 1. ূ໌ॻͷडྖͱ༗ޮੑͷ֬ೝ αʔόʔ͔Βૹ৴͞Εͨʮαʔόʔূ໌ॻʯΛड͚औΓɺ·ͣ༗ ޮظݶʢNot Before ʙ
Not AfterʣͰ͋Δ͜ͱΛ֬ೝ͠·͢ɻ ͋Θͤͯɺূ໌ॻ͕ࣦޮϦετʢCRLOCSPʣʹؚ·Ε͍ͯͳ͍ ͔νΣοΫ͠·͢ɻ
(2/3) 2. ॺ໊ͷݕূͱ৴པͷ࿈ͷ֬ೝ ূ໌ॻʹ༩͞Εͨσδλϧॺ໊ΛɺൃߦݩͰ͋ΔೝূہʢCAʣ ͷެ։伴Λ༻͍ͯݕূ͠·͢ɻ͜ͷࡍɺதؒೝূہ͔ΒɺOSϒ ϥβʹϓϦΠϯετʔϧ͞Ε͍ͯΔʮϧʔτCAূ໌ॻʯ·Ͱḷ Γɺ৴པͷ࿈ཱ͕͍ͯ͠Δ͔Λ֬ೝ͠·͢ɻ 3. υϝΠϯͷ߹ੑ֬ೝ ଓ͠Α͏ͱ͍ͯ͠ΔURLͷϗετ໊͕ɺূ໌ॻͷʮSubject
Alternative Name (SAN)ʯ·ͨʮCommon Name (CN)ʯʹه ࡌ͞Ε͍ͯΔ໊લͱҰக͢Δ͔Λর߹͠·͢ɻ
(3/3) 4. ݕূྃͱ҉߸Խ௨৴ͷ։࢝ ্هͷݕূ͕ͯ͢ޭͨ͠߹ɺΫϥΠΞϯταʔόʔΛਖ਼ ͳͷͱஅ͠·͢ɻͦͷޙɺڞ௨伴ͷڞ༗ʢTLSϋϯυγΣ ΠΫʣΛܧଓ͠ɺ҆શͳ҉߸Խ௨৴Λཱ֬͠·͢ɻ
ʲ3ʳ OWASP ASVSͱɺιϑτΣΞWebϓϩμΫτʹ͓͍ ͯɺͲͷΑ͏ͳׂΛͨ͢ϦετͰ͠ΐ͏͔ʁ LLMͳͲΛ༻͍ͳ͕Βௐɺࣗͷݴ༿Ͱ500จࣈҎ্Ͱ͑ͯ͘ ͍ͩ͞ɻ
ճ(1/4) OWASP ASVSʢApplication Security Verification Standardʣɺ ຊޠͰʮΞϓϦέʔγϣϯηΩϡϦςΟݕূඪ४ʯͱ༁͞Εɺ WebΞϓϦέʔγϣϯͷ҆શੑΛ٬؍తʹධՁɾ୲อ͢ΔͨΊͷ ʮڞ௨ͷͷ͞͠ʯͱͯ͠ͷׂΛՌͨ͠·͢ɻੈքతͳηΩϡϦ ςΟίϛϡχςΟͰ͋ΔOWASP͕ࡦఆ͓ͯ͠Γɺ։ൃऀηΩϡϦ
ςΟΤϯδχΞ͕ࢀর͖͢۩ମతͳཁ͕݅ମܥతʹ·ͱΊΒΕͯ ͍·͢ɻͦͷओͳׂҎԼͷ3ʹू͞Ε·͢ɻ
(2/4) ୈҰʹɺʮηΩϡϦςΟཁ݅ͷཏతͳΨΠυϥΠϯʯ ͱͯ͠ͷ ׂͰ͢ɻASVS୯ͳΔ੬ऑੑஅͷνΣοΫϦετʹཹ·Γ·ͤ ΜɻೝূɺΞΫηε੍ޚɺσʔλͷ҉߸ԽɺΤϥʔॲཧͳͲଟذʹ ΘͨΔ߲ʢϨϕϧ1Ͱ131߲ɺϨϕϧ3Ͱ286߲ʹٴͼ·͢ʣ Λཏ͓ͯ͠Γɺ͜ΕΒΛ։ൃͷઃܭஈ֊͔Βࢀর͢Δ͜ͱͰɺη ΩϡϦςΟΛޙ͚Ͱͳ͘ʮઃܭஈ֊͔ΒΈࠐΉʢSecurity by Designʣʯ͜ͱ͕ՄೳʹͳΓ·͢ɻ
(3/4) ୈೋʹɺʮϦεΫʹԠͨ͡ஈ֊తͳηΩϡϦςΟࢦඪʯ ͷఏڙͰ ͢ɻASVSͰɺΞϓϦέʔγϣϯͷॏཁʹԠͯ͡3ͭͷϨϕϧΛ ఆ͍ٛͯ͠·͢ɻશͯͷΞϓϦ͕࠷ݶຬ͖ͨ͢ʮϨϕϧ1ʯɺػ ີσʔλΛѻ͏ҰൠతͳϏδωεΞϓϦʹదͨ͠ʮϨϕϧ2ʯɺͦ͠ ͯॏཁΠϯϑϥ܉ࣄϨϕϧͷߴͳ৴པੑ͕ٻΊΒΕΔʮϨϕϧ 3ʯͰ͢ɻϨϕϧ্͕͕ΔʹͭΕɺݕূ߲͕૿͑Δ͚ͩͰͳ͘ɺ ݕূख๏มԽ͠·͢ɻྫ͑Ϩϕϧ1ͰϒϥοΫϘοΫεܗࣜͷ DASTʢಈతղੳʣ͕த৺Ͱ͕͢ɺϨϕϧ2Ҏ্ͰϗϫΠτϘοΫ
εܗࣜͷSASTʢ੩తղੳʣίʔυϨϏϡʔΛΈ߹ΘͤͨɺΑΓ ଟతͳݕূ͕ٻΊΒΕ·͢ɻ
(4/4) ୈࡾʹɺʮ৫֎ʹ͓͚Δίϛϡχέʔγϣϯͷඪ४Խʯ Ͱ͢ɻ ։ൃνʔϜͱஅϕϯμʔɺ͋Δ͍ൃݩͱडऀͷؒͰʮͲ͜ ·Ͱରࡦ͖͔͢ʯͱ͍͏߹ҙܗࠔΛۃΊ·͢ɻ͔͠͠ɺ ASVSΛڞ௨ݴޠͱͯ͠ಋೖ͢Δ͜ͱͰɺʮࠓճASVS Ϩϕϧ1ʹ ४ڌ͢Δʯͱ͍ͬͨ໌֬ͳඪઃఆ͕ՄೳʹͳΓɺ৫શମͷη ΩϡϦςΟϓϩηεͷಁ໌ੑͱ࣭Λ্ͤ͞ΔׂΛ୲͍·͢ɻ ͜ͷΑ͏ʹASVSɺٕज़తͳνΣοΫϦετͰ͋Δͱಉ࣌ʹɺ։
ൃɾӡ༻ɾධՁͷϥΠϑαΠΫϧશମΛ௨ͯ͡ιϑτΣΞͷ৴པ ੑΛࢧ͑ΔɺۃΊͯॏཁͳϑϨʔϜϫʔΫͰ͋Δͱݴ͑·͢ɻ