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S E O U L | M A Y 3 , 2 0 2 3

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AWS Native Security 서비스를 활용한
Perimeter Security
김형주
팀장
SK쉴더스

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Zero Trust Architecture, 네트워크 보안의 패러다임
Perimeter Security Materialization
Native Security Materialization CASE
Remember
Agenda

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© 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved.
Zero Trust Architecture,
네트워크 보안의 패러다임

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ZTA, 네트워크 보안 패러다임
ZTA, “네크워크 상 일부 행위자는 적대적이며, 이를 완전히
보호하기 위해서는 진입점이 너무 많다는 가정하에
운영될 수 있는 네트워크 보안 패러다임” by Gartner
Thomas Lintemuth,
"네트워크 보안은 복잡할 수 있지만 다른 모든 정보 보안
시스템의 기본입니다.＂ By Gartner
[ 주제 ]
- On-Prem. Perimeter와
동일 수준의 Cloud Perimeter
: ZTA 활용,
가장 기본적인 Perimeter Security 구현

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별첨#1. Cloud Workload 보호 모델
인증
접근제어
암호화
Perimeter
Security Visibility
DLP & Audit
And so on.

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© 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved.
Perimeter Security Materialization
: In-Built(Native) or Third-Party Tools

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3rd Party
- Compliance 대응
- 정책의 일관성
- 편리한 사용성
WAF
Web
Server
Internet
Workstation
DDoS
FW
IPS
On-Premise
SIEM
DDoS
Logging
ALB
VPC
Auto Scaling Group
FW
WAF
UTM
Amazon Route53
IPS
Amazon S3

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Logging
Amazon CloudFront
AWS Network Firewall
5-Tuple
Domain
IPS
(Suricata)
ALB
Auto Scaling Group
VPC
AWS WAF
AWS Shield
Advanced
Amazon
Route53
Amazon CloudWatch
Amazon Kinesis
Amazon S3
3rd Party SIEM
- 고가용성
- IT 부서 협업 용이
- 도입/구축 신속성 등
In-Built(Native)

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3rd-Party 및 Native 특징 비교
Cloud 3rd Party AWS Native
Compliance 대응
제조사의 기술지원
사용성(편의성)
하이브리드 클라우드
가용성
신속성(도입/구축)
탄력성
자동화

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© 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved.
Native Materialization CASE

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Native Perimeter Security Materialization Model
Amazon
CloudWatch
Amazon Kinesis
Amazon S3 3rd Party SIEM
Amazon CloudWatch Metrics
Metrics
Logging
보안 관제/운영 센터
관제/운영
Amazon CloudFront
AWS Network Firewall
5-Tuple
Domain
IPS
(Suricata)
Application
Load Balancer
Auto Scaling Group
VPC
AWS WAF
AWS Shield
Advanced
Amazon
Route53
①
② ③
④
VPC
Amazon EC2

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#1. AWS Shield Advanced(L7. DDoS)
⊙ A기업, 신규 웹서비스 운영
⊙ DDoS 공격으로 서비스 중단
⊙ 3rd-Party / SaaS ?
⊙ AWS Shield Advanced ?
☞ 내부 보안 정책
☞ 한정된 예산
☞ 대응 시간
☞ 관제∙운영 Knowledge
⊙ AWS Shield Advanced 적용
: 보안 정책, 예산, 대응시간 극복
⊙ 24 X 365 관제∙운영 서비스
: Knowledge 이슈 해소

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#2. AWS Network Firewall(FW)
⊙ B기업, StartUp 핀테크 기업
⊙ All Cloud 환경
⊙ 보안 부재(Self Innovation)
⊙ 가장 기본적이며 효율적인
보안대책?
☞ 트래픽 추정 곤란
(신규/폐기/확장 빈발)
☞ 담당 인력채용 이슈
⊙ AWS Network Firewall(F/W) 적용
: Traffic 변동성 해소
⊙ 잦은 정책 변동, Expert(보안) 부재
: NP for AWS, 방화벽 운영서비스

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#3. AWS Network Firewall(IPS)
⊙ C기업, 제조업, Top-Down
⊙ 일부 서비스 All Migration(AWS)
⊙ 내부 보안조직 활용
: Perimeter Security 구현
⊙ IPS Rule : Managed Service
☞ Customizing !
☞ Professional
Knowledge & Mgmt.
⊙ SK쉴더스 "NP for AWS“ 서비스 中
AWS IPS 관제 운영 서비스 도입
⊙ 원격관제 & Rule Mgmt.

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#4. AWS WAF
⊙ D기업, E-커머스
⊙ 초기 Needs : AWS WAF
: 최우선 - Availability
⊙ 보안관제 서비스 선택
☞ Rule Customizing !
☞ 24 x 365
☞ 대용량 로그 처리
(월 10 Tb +)
⊙ log 유효성 분석, 저장방식 효율화
등 최적화 서비스 적용
: 월 3Gb + → 분석 & Cost
⊙ 원격관제 & Rule Mgmt.
AWS WAF

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© 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved.
Remember

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First, ZTA faithful to the Basic
Second, ZTA considering business
strategy

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별첨#2. Cloud 보안 프레임워크 by SK쉴더스
Cloud 보안 프레임워크 by SK쉴더스

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Thank you!
© 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved.
김형주
(hyung0925@sk.com)