Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Web Vulnerabilities: A Field Guide

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Ruan Brandão Ruan Brandão
February 08, 2019
Technology
160
0

Web Vulnerabilities: A Field Guide

Slides for the talk presented at RubyFuza & Friends 2019.

Avatar for Ruan Brandão

Ruan Brandão

February 08, 2019

More Decks by Ruan Brandão

See All by Ruan Brandão
Top 10 OWASP: As maiores ameaças para sua aplicação web
Avatar for Ruan Brandão ruanbrandao
0
32
Desenvolvimento de jogos com Elixir
Avatar for Ruan Brandão ruanbrandao
0
44
Algoritmos Racistas
Avatar for Ruan Brandão ruanbrandao
0
110
Software Ethics
Avatar for Ruan Brandão ruanbrandao
2
370
Narrativas no Desenvolvimento de Software
Avatar for Ruan Brandão ruanbrandao
0
300
Ética no Desenvolvimento de Software
Avatar for Ruan Brandão ruanbrandao
4
930
Aplicando o Método Científico no Desenvolvimento de Software
Avatar for Ruan Brandão ruanbrandao
2
290
Internet Personalizada
Avatar for Ruan Brandão ruanbrandao
0
74

Other Decks in Technology

See All in Technology
AWS Agent Registry の基礎・概要を理解する/aws-agent-registry-intro
Avatar for Renya Kujirada ren8k
3
410
スクラムの中で AI-DLC workflow を 使い始めて3ヶ月の振り返り
Avatar for 株式会社カミナシ kaminashi
0
130
AI時代のガードレールとしてのAPIガバナンス
Avatar for 草薙昭彦 nagix
0
310
データ定義の混乱と戦う 〜 管理会計と財務会計 〜
Avatar for wonohe wonohe
0
150
Oracle AI Database@AWS：サービス概要のご紹介
Avatar for oracle4engineer oracle4engineer
PRO
4
2.4k
Good Enough Types: Heuristic Type Inference for Ruby
Avatar for Shia riseshia
1
310
Percolatorを廃止し、マルチ検索サービスへ刷新した話 / Search Engineering Tech Talk 2026 Spring
Avatar for Visional Engineering ＆ Design visional_engineering_and_design
0
150
Practical TypeProf: Lessons from Analyzing Optcarrot
Avatar for Yusuke Endoh mame
0
1.1k
「責任あるAIエージェント」こそ自社で開発しよう！
Avatar for みのるん minorun365
9
2.2k
Chasing Real-Time Observability for CRuby
Avatar for White-Green whitegreen
0
260
Revisiting [CLS] and Patch Token Interaction in Vision Transformers
Avatar for yu4u yu4u
0
400
20260428_Product Management Summit_Loglass_JoeHirose
Avatar for 広瀬丈 loglassjoe
3
3.8k

Featured

See All Featured
Principles of Awesome APIs and How to Build Them.
Avatar for Keavy McMinn keavy
128
17k
The Illustrated Children's Guide to Kubernetes
Avatar for Chris Short chrisshort
51
52k
Build The Right Thing And Hit Your Dates
Avatar for Maggie C. maggiecrowley
39
3.1k
Self-Hosted WebAssembly Runtime for Runtime-Neutral Checkpoint/Restore in Edge–Cloud Continuum
Avatar for Yuki Nakata chikuwait chikuwait
0
490
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
62k
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
66
8.4k
Everyday Curiosity
Avatar for Cassini Nazir cassininazir
0
200
Git: the NoSQL Database
Avatar for Brandon Keepers bkeepers
PRO
432
67k
Optimising Largest Contentful Paint
Avatar for Harry Roberts csswizardry
37
3.6k
Unsuck your backbone
Avatar for Amy Palamountain ammeep
672
58k
The Language of Interfaces
Avatar for Des Traynor destraynor
162
26k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
Avatar for soudai sone soudai
PRO
199
73k

Transcript

  1. GOOD MORNING RUBYFUZA ☕

  2. RUAN BRANDÃO SOFTWARE ENGINEER AT MAGNETIS (WE ARE HIRING) TWITTER

    TIMELINE CURATOR @RUANBRANDAO /RUAN-BRANDAO

  3. Photo by Rafaela Biazi on Unsplash

  4. São Paulo

  5. Paulínia - São Paulo

  6. Pipa - Rio Grande do Norte

  7. Made in "

  8. CYBER ATTACKS

  9. WEB VULNERABILITIES A FIELD GUIDE FOR

  10. THE WEB HTTP HTTPS TLS SSL Databases Servers Credentials TCP/IP

    DNS Clusters Cache Browsers

  11. USING COMPONENTS WITH KNOWN VULNERABILITIES

  12. None

  13. UPDATE YOUR APPLICATION DEPENDENCIES Security tip #1

  14. INJECTION ‣ SQL ‣ NOSQL ‣ CODE ‣ COMMANDS

  15. INJECTION VULNERABILITIES ALLOW ATTACKERS TO RUN CODE ON YOUR APPLICATION

    SERVERS

  16. SQL INJECTION

  17. XKCD, available at https://xkcd.com/327/

  18. None

  19. BE CAREFUL WITH THE ORDER METHOD

  20. CODE INJECTION & COMMAND INJECTION

  21. BE EXTRA CAREFUL WITH EVAL AND BACKTICKS

  22. BE CAREFUL WITH CONSTANTIZE

  23. CROSS SITE SCRIPTING (XSS)

  24. CROSS SITE SCRIPTING ALLOWS ATTACKERS TO RUN CODE ON YOUR

    APPLICATION USERS BROWSERS
  25. None
  26. None
  27. None

  28. RAILS DOES THE HARD WORK

  29. BE CAREFUL WITH THE RAW AND HTML_SAFE

  30. NEVER TRUST USER INPUT Security tip #2

  31. BROKEN ACCESS CONTROL

  32. None
  33. None
  34. None
  35. None

  36. BE CAREFUL WITH ACCESS TO SENSIBLE DATA Security tip #3

  37. BROKEN AUTHENTICATION

  38. DO NOT REINVENT THE WHEEL. UNLESS YOU REALLY, REALLY, KNOW

    WHAT YOU ARE DOING. Security tip #4

  39. AND MUCH MORE… ‣ CROSS-SITE REQUEST FORGERY (CSRF) ‣ REMOTE

    CODE EXECUTION (RCE) ‣ SENSITIVE DATA EXPOSURE ‣ SECURITY MISCONFIGURATION
  40. None

  41. Photo by Patrick Tomasso on Unsplash

  42. https://owasp.org

  43. None

  44. Photo by Barn Images on Unsplash

  45. STATIC CODE ANALYSIS

  46. None

  47. TOOLS STATIC CODE ANALYSIS TOOLS

  48. TOOLS STATIC CODE ANALYSIS TOOLS

  49. TOOLS STATIC CODE ANALYSIS TOOLS GitHub - Available at https://github.blog/2017-10-11-a-more-connected-universe/

  50. SECURITY SCANNERS

  51. TOOLS SECURITY SCANNER TOOLS http://www.arachni-scanner.com/

  52. PENETRATION TESTS (PENTESTS)

  53. SECURITY IS NOT A PRODUCT. SECURITY IS AN ONGOING PROCESS.

    Security tip #0

  54. THANK YOU! ❤ @RUANBRANDAO /RUAN-BRANDAO