Lock in $30 Savings on PRO—Offer Ends Soon! ⏳
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
An introduction to AppSec?
Search
Jérémy Courtial
October 23, 2018
Programming
0
47
An introduction to AppSec?
What is Application Security? Why it's important and how it can be implemented in tech teams?
Jérémy Courtial
October 23, 2018
Tweet
Share
More Decks by Jérémy Courtial
See All by Jérémy Courtial
sudo give the cloud
mrartichaut
0
26
Secure by design: introduction to threat modeling
mrartichaut
0
52
Taming secrets with Vault
mrartichaut
0
86
Lead Tech: Empowering the team
mrartichaut
0
48
Web Platform Security
mrartichaut
0
48
go doSomeThing()
mrartichaut
0
53
Practical Cryptography : Data Encryption
mrartichaut
0
62
Practical Cryptography : Password Hashing
mrartichaut
1
74
HTTP/2 : One connection to rule them all
mrartichaut
1
62
Other Decks in Programming
See All in Programming
モデル駆動設計をやってみようワークショップ開催報告(Modeling Forum2025) / model driven design workshop report
haru860
0
260
手軽に積ん読を増やすには?/読みたい本と付き合うには?
o0h
PRO
1
170
Cap'n Webについて
yusukebe
0
130
AIコーディングエージェント(Manus)
kondai24
0
170
從冷知識到漏洞,你不懂的 Web,駭客懂 - Huli @ WebConf Taiwan 2025
aszx87410
2
1.9k
開発に寄りそう自動テストの実現
goyoki
1
830
大体よく分かるscala.collection.immutable.HashMap ~ Compressed Hash-Array Mapped Prefix-tree (CHAMP) ~
matsu_chara
1
220
著者と進める!『AIと個人開発したくなったらまずCursorで要件定義だ!』
yasunacoffee
0
130
リリース時」テストから「デイリー実行」へ!開発マネージャが取り組んだ、レガシー自動テストのモダン化戦略
goataka
0
130
認証・認可の基本を学ぼう前編
kouyuume
0
190
生成AIを利用するだけでなく、投資できる組織へ
pospome
1
290
LLM Çağında Backend Olmak: 10 Milyon Prompt'u Milisaniyede Sorgulamak
selcukusta
0
120
Featured
See All Featured
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
Rails Girls Zürich Keynote
gr2m
95
14k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
10
720
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
128
54k
Statistics for Hackers
jakevdp
799
230k
How Fast Is Fast Enough? [PerfNow 2025]
tammyeverts
3
390
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
47
7.9k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.5k
The Art of Programming - Codeland 2020
erikaheidi
56
14k
Producing Creativity
orderedlist
PRO
348
40k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
StorybookのUI Testing Handbookを読んだ
zakiyama
31
6.4k
Transcript
An introduction to AppSec Jérémy Courtial Software Security Architect @JeremyCourtial
AppSec?
Application Secucirty?
It’s not just about firewall
Combination of 3 bugs leading to privilege escalation https://newsroom.fb.com/news/2018/09/security-update/
Unpatched Apache Struts with critical Remote Execution vulnerability. (Plus lake
of defence in depth?)
« Application security encompasses measures taken to improve the security
of an application often by finding, fixing and preventing security vulnerabilities. » Wikipedia
It not just about finding & fixing It’s how applications
are made
Security is not a feature It’s a property like performance
and reliability
Security should be addressed at each step of the development
lifecycle
Design Implementation Vetification Release Security requirements Training Architecture reviews Threat
modelling Documentation Secure coding Code reviews Static analysis Dynamic analysis Pen testing Secure environnement Monitoring Incident Response Requirements & trainings
Requirements & trainings Use HSTS Must be HTTPS-only Have anti-CSRF
mechanism See Spring-Security ? Security checklists
Design Feedbacks-oriented meeting before any major changes enters development. Identifying
subjects that need closer follow-ups. Ensuring best practices. Architecture reviews
Impl. Static analysis Code analysis: Looks for common vulnerabilities pattern
in code. Composition analysis: Looks for vulnerable dependencies.
Impl. Static analysis Code analysis Composition analysis
Verification Dynamic analysis Looks for common vulnerabilities in live applications.
OWASP ZAP
Release Secure environment Up-to-date infrastructure (« patch, patch, patch… »)
Host hardening: system, Docker, k8s, etc. Protected and segmented networks
Who ?
None
Security champions One per team/platform Infuses security in daily activities
Security owner Owns the threat model Leads structural projects Harmonises
practices Leans on champions
Security team Varies skills: - DevSec - Pen testing -
Network & system - Compliance - …
How ?
Don’t be a faceless gate
Support Help Devs to produce more secure apps! Tools, guidance,
feedback, even code!
Partnership Communicate goals, roadmaps, challenges, etc. We all want to
ship ours (secure) products Shared responsibility
Get out of the way: automate, automate! Setup meaningful and
actionable alerts DevOps: ride the wave
Security is impor Last challenge: awareness
openrday.oodrive.fr Come talk about dev, security, etc.
Thank you!