โ† Cloud Security Service Integration

ISMS-P 2.5.1 ์‚ฌ์šฉ์ž ๊ณ„์ • ๊ด€๋ฆฌ High Risk

์‚ฌ์šฉ์ž ๊ณ„์ • ๊ด€๋ฆฌ๊ฐ€ ์ ์ ˆํžˆ ์ˆ˜ํ–‰๋˜๊ณ  ์žˆ๋Š”๊ฐ€?

ISMS-P 2.5.1์€ ์‚ฌ์šฉ์ž ๋“ฑ๋กยทํ•ด์ง€ ๋ฐ ์ ‘๊ทผ๊ถŒํ•œ ๋ถ€์—ฌยท๋ณ€๊ฒฝยท๋ง์†Œ ์ ˆ์ฐจ๋ฅผ ์ˆ˜๋ฆฝยท์ดํ–‰ํ•˜๋„๋ก ์š”๊ตฌํ•ฉ๋‹ˆ๋‹ค. ํด๋ผ์šฐ๋“œ ํ™˜๊ฒฝ์—์„œ๋Š” IAM ๊ณ„์ • ์ƒ๋ช…์ฃผ๊ธฐ ๊ด€๋ฆฌ + ์ตœ์†Œ ๊ถŒํ•œ ์›์น™ + Access Key ์ˆœํ™˜์œผ๋กœ ๊ตฌํ˜„ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ“‹

ISMS-P ์ธ์ฆ ๊ธฐ์ค€

ISMS-P 2.5.1 ์‚ฌ์šฉ์ž ๊ณ„์ • ๊ด€๋ฆฌ ์š”๊ตฌ์‚ฌํ•ญ

2.5.1

์‚ฌ์šฉ์ž ๊ณ„์ • ๊ด€๋ฆฌ

์ธ์ฆ ๊ธฐ์ค€ ์ •์˜

"์ •๋ณด์‹œ์Šคํ…œ๊ณผ ๊ฐœ์ธ์ •๋ณด ๋ฐ ์ค‘์š”์ •๋ณด์— ๋Œ€ํ•œ ๋น„์ธ๊ฐ€ ์ ‘๊ทผ์„ ํ†ต์ œํ•˜๊ณ  ์—…๋ฌด ๋ชฉ์ ์— ๋”ฐ๋ฅธ ์ ‘๊ทผ๊ถŒํ•œ์„ ์ตœ์†Œํ•œ์œผ๋กœ ๋ถ€์—ฌํ•  ์ˆ˜ ์žˆ๋„๋ก ์‚ฌ์šฉ์ž ๋“ฑ๋กยทํ•ด์ง€ ๋ฐ ์ ‘๊ทผ๊ถŒํ•œ ๋ถ€์—ฌยท๋ณ€๊ฒฝยท๋ง์†Œ ์ ˆ์ฐจ๋ฅผ ์ˆ˜๋ฆฝยท์ดํ–‰ํ•˜๊ณ , ์‚ฌ์šฉ์ž์—๊ฒŒ ๋ณด์•ˆ์ฑ…์ž„์ด ์žˆ์Œ์„ ์ธ์‹์‹œ์ผœ์•ผ ํ•œ๋‹ค."

๐Ÿ“Œ ํด๋ผ์šฐ๋“œ ํ™˜๊ฒฝ ์ ์šฉ ํฌ์ธํŠธ

  • AWS IAM ์‚ฌ์šฉ์ž ๊ณ„์ • ์ƒ์„ฑ/์‚ญ์ œ ์ ˆ์ฐจ ์ˆ˜๋ฆฝ
  • IAM ์ •์ฑ…์œผ๋กœ ์ตœ์†Œ ๊ถŒํ•œ ์›์น™ ์ ์šฉ
  • Access Key ์ƒ๋ช…์ฃผ๊ธฐ ๊ด€๋ฆฌ ๋ฐ 90์ผ ์ˆœํ™˜
  • ๋น„๋ฐ€๋ฒˆํ˜ธ ์ •์ฑ… ๊ฐ•์ œ (๋ณต์žก๋„, ๋งŒ๋ฃŒ, ์žฌ์‚ฌ์šฉ ๊ธˆ์ง€)
  • ๋ฏธ์‚ฌ์šฉ ๊ณ„์ •/Access Key ์ •๊ธฐ ์ ๊ฒ€

โš ๏ธ ๋ฏธ์ค€์ˆ˜ ์‹œ ์‹ฌ์‚ฌ ์˜ํ–ฅ

  • ๊ฒฐํ•จ: ๊ณ„์ • ๋“ฑ๋กยทํ•ด์ง€ ์ ˆ์ฐจ ๋ฏธ์ˆ˜๋ฆฝ
  • ๊ฒฐํ•จ: ๊ตฌ๋‘/์ด๋ฉ”์ผ๋งŒ์œผ๋กœ ๊ณ„์ • ์ƒ์„ฑ
  • ๊ฒฐํ•จ: ๋ถˆํ•„์š”ํ•œ ๊ณผ๋„ํ•œ ๊ถŒํ•œ ๋ถ€์—ฌ
  • ๊ฒฐํ•จ: ํ‡ด์‚ฌ์ž ๊ณ„์ • ๋ฐ ๊ถŒํ•œ ๋ฏธ์‚ญ์ œ
๐Ÿ“„ KISA ISMS-P ์ธ์ฆ๊ธฐ์ค€ ์•ˆ๋‚ด์„œ โ†— ๐Ÿ“– ISMS-P 2.5.1 ์ƒ์„ธ ์•ˆ๋‚ด โ†—
๐Ÿ“ฐ

์‹ค์ œ ๋ณด์•ˆ ์‚ฌ๊ณ  ์‚ฌ๋ก€

๊ณ„์ • ๊ด€๋ฆฌ ๋ฏธํก์œผ๋กœ ๋ฐœ์ƒํ•œ ๋Œ€๊ทœ๋ชจ ์œ ์ถœ ์‚ฌ๋ก€

2025.11

์ฟ ํŒก ํ‡ด์‚ฌ์ž ๊ถŒํ•œ ๋ฏธํšŒ์ˆ˜ ์‚ฌ๊ณ 

ํ‡ด์‚ฌ์ž ์ธ์ฆํ‚ค ๊ด€๋ฆฌ ๋ฏธํก ๋ฐ ๊ถŒํ•œ ๋ฏธํšŒ์ˆ˜๋กœ 3,370๋งŒ ๊ฑด ์ด์ƒ ๊ฐœ์ธ์ •๋ณด ์œ ์ถœ. ์•ก์„ธ์Šค ํ† ํฐ ์„œ๋ช…ํ‚ค ์œ ํšจ๊ธฐ๊ฐ„์„ 5~10๋…„์œผ๋กœ ์„ค์ •ํ•˜์—ฌ ํ‡ด์‚ฌ ํ›„์—๋„ ์‹œ์Šคํ…œ ์ ‘๊ทผ ๊ฐ€๋Šฅ. ์นจํ•ด ์‹œ๋„ ๋ฐœ์ƒ ํ›„ 5๊ฐœ์›”๊ฐ„ ๋ฏธํƒ์ง€.

๐Ÿ’ก ๊ตํ›ˆ: ํ‡ด์‚ฌ์ž ๊ณ„์ •/๊ถŒํ•œ ์ฆ‰์‹œ ํšŒ์ˆ˜ ์ ˆ์ฐจ ํ•„์ˆ˜, Access Key ์ˆœํ™˜ ์ •์ฑ… ํ•„์š”

์ถœ์ฒ˜: M์ด์ฝ”๋…ธ๋ฏธ๋‰ด์Šค โ†—
2024

์ฐธ์ข‹์€์—ฌํ–‰ ์ง์› ๊ณ„์ • ํƒˆ์ทจ

ํ•ด์ปค๊ฐ€ ์ง์›์˜ ๊ณ„์ • ์ •๋ณด๋ฅผ ํƒˆ์ทจํ•˜์—ฌ ์‚ฌ๋‚ด ์ฃผ๋ฌธ๊ด€๋ฆฌ์‹œ์Šคํ…œ์— ์ ‘์†, ์ด์šฉ์ž์˜ ๊ฐœ์ธ์ •๋ณด๋ฅผ ์œ ์ถœ. ๊ณ„์ • ๋ณด์•ˆ ๊ฐ•ํ™” ๋ฐ ์ด์ƒ ์ ‘๊ทผ ํƒ์ง€ ์ฒด๊ณ„ ๋ถ€์žฌ.

๐Ÿ’ก ๊ตํ›ˆ: MFA ํ•„์ˆ˜ ์ ์šฉ, ์ด์ƒ ๋กœ๊ทธ์ธ ํƒ์ง€ ์ฒด๊ณ„ ๊ตฌ์ถ• ํ•„์š”

์ถœ์ฒ˜: ํŠธ๋ž˜๋ธ”์•„์ด โ†—
โšก

ํด๋ผ์šฐ๋“œ ํ™˜๊ฒฝ์˜ ์œ„ํ—˜

AWS IAM ๊ณ„์ • ๊ด€๋ฆฌ๊ฐ€ ๋ฏธํกํ•œ ์ƒํ™ฉ

๋ฏธ๊ด€๋ฆฌ (์œ„ํ—˜)

IAM User

๐Ÿ‘ค

โ†’

Admin

๐Ÿ”“

โ†‘ AdministratorAccess ์ง์ ‘ ๋ถ€์—ฌ

ํ‡ด์‚ฌ์ž ๊ณ„์ • ๋ฐฉ์น˜ + ๊ณผ๋„ํ•œ ๊ถŒํ•œ โ†’ ISMS-P 2.5.1 ๋ฏธ์ถฉ์กฑ

์ฒด๊ณ„์  ๊ด€๋ฆฌ (๊ถŒ์žฅ)

IAM User

๐Ÿ‘ค

โ†’

Group

๐Ÿ‘ฅ

โ†’

์ตœ์†Œ๊ถŒํ•œ

๐Ÿ”’

โ†‘ ๊ทธ๋ฃน ๊ธฐ๋ฐ˜ ์ตœ์†Œ ๊ถŒํ•œ

๊ณ„์ • ์ƒ๋ช…์ฃผ๊ธฐ ๊ด€๋ฆฌ + ์ตœ์†Œ ๊ถŒํ•œ โ†’ ์ธ์ฆ ๊ธฐ์ค€ ์ถฉ์กฑ

๐Ÿšจ

๋ฐœ๊ฒฌ ์‚ฌ๋ก€: IAM ์‚ฌ์šฉ์ž์—๊ฒŒ AdministratorAccess ์ง์ ‘ ๋ถ€์—ฌ, ํ‡ด์‚ฌ์ž ๊ณ„์ • ๋ฐฉ์น˜

๊ฐœ๋ฐœ์ž ๊ณ„์ •์— AdministratorAccess ์ •์ฑ…์ด ์ง์ ‘ ๋ถ€์—ฌ๋˜์–ด ์žˆ๊ณ , ํ‡ด์‚ฌ์ž ๊ณ„์ •๊ณผ Access Key๊ฐ€ 6๊ฐœ์›” ์ด์ƒ ๋ฏธ์‚ฌ์šฉ ์ƒํƒœ๋กœ ๋ฐฉ์น˜.

ํ˜„์žฌ ์ƒํƒœ - ๋ฌธ์ œ๊ฐ€ ๋˜๋Š” ์„ค์ •
# IAM ์‚ฌ์šฉ์ž - ๊ด€๋ฆฌ ์ •๋ณด ์—†์Œ
resource "aws_iam_user" "developer" {
  name = "developer-kim"
  # ํƒœ๊ทธ ์—†์Œ - ๋‹ด๋‹น์ž/๋ถ€์„œ ์ถ”์  ๋ถˆ๊ฐ€
  # ์Šน์ธ ์ด๋ ฅ ์—†์Œ
}

# AdministratorAccess ์ง์ ‘ ๋ถ€์—ฌ (์œ„ํ—˜!)
resource "aws_iam_user_policy_attachment" "admin" {
  user       = aws_iam_user.developer.name
  policy_arn = "arn:aws:iam::aws:policy/AdministratorAccess"
}

# Access Key - ์ˆœํ™˜ ์ •์ฑ… ์—†์Œ
resource "aws_iam_access_key" "developer" {
  user = aws_iam_user.developer.name
  # ์ƒ์„ฑ ํ›„ ๋ฌด๊ธฐํ•œ ์‚ฌ์šฉ
}

ISMS-P 2.5.1 ์œ„๋ฐ˜ ์‚ฌํ•ญ

โ—

๊ณ„์ • ๋“ฑ๋กยทํ•ด์ง€ ์ ˆ์ฐจ ๋ฏธ์ˆ˜๋ฆฝ

โ—

AdministratorAccess ๊ณผ๋„ํ•œ ๊ถŒํ•œ

โ—

Access Key ์ˆœํ™˜ ์ •์ฑ… ๋ฏธ์ ์šฉ

โ—

ํ‡ด์‚ฌ์ž/๋ฏธ์‚ฌ์šฉ ๊ณ„์ • ๊ด€๋ฆฌ ์ฒด๊ณ„ ๋ถ€์žฌ

๐Ÿ”

์‚ฌ์ „ ํƒ์ง€ ๋ฐฉ์•ˆ

IaC ์ฝ”๋“œ ๋ถ„์„ ๊ธฐ๋ฐ˜ ๋ฐฐํฌ ์ „ ์ ๊ฒ€

IAM ๊ณ„์ • ๊ด€๋ฆฌ ํƒ์ง€ ๋กœ์ง

ํŒ๋‹จ ์กฐ๊ฑด ์กฐ๊ฑด ๊ฐ’ ๊ฒฐ๊ณผ
๐Ÿ‘ค AdministratorAccess ์ •์ฑ…
IAM User์— ์ง์ ‘ ๋ถ€์—ฌ Critical - ์ฐจ๋‹จ
IAM Role์—๋งŒ ๋ถ€์—ฌ โ†’ MFA ์กฐ๊ฑด ๊ฒ€์‚ฌ
๐Ÿท๏ธ IAM User ํƒœ๊ทธ
๋‹ด๋‹น์ž/๋ถ€์„œ ์ •๋ณด ์—†์Œ High - ๊ฒฝ๊ณ 
๋ฉ”ํƒ€๋ฐ์ดํ„ฐ ์กด์žฌ โ†’ ๊ถŒํ•œ ๋ฒ”์œ„ ๊ฒ€์‚ฌ
๐Ÿ“œ IAM Policy
Action: * ๋˜๋Š” Resource: * High - ๊ฒฝ๊ณ 
์ตœ์†Œ ๊ถŒํ•œ ์ ์šฉ โœ“ ํ†ต๊ณผ
๐Ÿ””

์‚ฌํ›„ ๋Œ€์‘ ๋ฐฉ์•ˆ

๋Ÿฐํƒ€์ž„ ๋ชจ๋‹ˆํ„ฐ๋ง ๋ฐ ๋ฏธ์‚ฌ์šฉ ๊ณ„์ • ํƒ์ง€

๊ณ„์ • ์‚ฌ์šฉ ํ˜„ํ™ฉ ๋Ÿฐํƒ€์ž„ ๋ชจ๋‹ˆํ„ฐ๋ง ๋กœ์ง

ํŒ๋‹จ ์กฐ๊ฑด ์กฐ๊ฑด ๊ฐ’ ๊ฒฐ๊ณผ
๐Ÿ–ฅ๏ธ Console ๋กœ๊ทธ์ธ
45์ผ ์ด์ƒ ๋ฏธ์‚ฌ์šฉ High - Slack ์•Œ๋ฆผ
๐Ÿ”‘ Access Key
45์ผ ์ด์ƒ ๋ฏธ์‚ฌ์šฉ High - ์ž๋™ ๋น„ํ™œ์„ฑํ™” ๊ถŒ๊ณ 
90์ผ ์ด์ƒ ๋ฏธ์ˆœํ™˜ Critical - ์ˆœํ™˜ ํ•„์š” ์•Œ๋ฆผ
๐Ÿ‘ฅ HR ์‹œ์Šคํ…œ ์—ฐ๋™
ํ‡ด์‚ฌ์ž ๊ณ„์ • ํƒ์ง€ Critical - ์ฆ‰์‹œ ๋น„ํ™œ์„ฑํ™”

๋ชจ๋“  ์•Œ๋ฆผ์— ํฌํ•จ๋˜๋Š” ์ •๋ณด

IAM User ARN ๋งˆ์ง€๋ง‰ ๋กœ๊ทธ์ธ ์ผ์‹œ ๋ถ€์—ฌ๋œ ์ •์ฑ… ๋ชฉ๋ก ๋‹ด๋‹น์ž ์—ฐ๋ฝ์ฒ˜
โœ“

์กฐ์น˜ ๊ฐ€์ด๋“œ

์ฆ‰์‹œ ์ ์šฉ ๊ฐ€๋Šฅํ•œ ๊ถŒ์žฅ ์„ค์ •

โŒ ๋ฌธ์ œ

User์— Admin ์ง์ ‘ ๋ถ€์—ฌ, ํƒœ๊ทธ ์—†์Œ, Access Key ์ˆœํ™˜ ์—†์Œ

โœ“ ์ ์šฉ

๊ทธ๋ฃน ๊ธฐ๋ฐ˜ ๊ถŒํ•œ + ๊ด€๋ฆฌ ํƒœ๊ทธ + ๋น„๋ฐ€๋ฒˆํ˜ธ ์ •์ฑ…

๊ถŒ์žฅ ์„ค์ • (๋ณต์‚ฌํ•˜์—ฌ ์ ์šฉ)
iam-user.tf
# IAM ์‚ฌ์šฉ์ž - ๊ด€๋ฆฌ ๋ฉ”ํƒ€๋ฐ์ดํ„ฐ ํฌํ•จ
resource "aws_iam_user" "developer" {
  name = "developer-kim"

  tags = {
    Name        = "developer-kim"
    Department  = "Engineering"
    Owner       = "tech-lead@company.com"
    CreatedDate = "2024-01-15"
    ISMS-P      = "2.5.1"
    ApprovalID  = "REQ-2024-0042"  # ์Šน์ธ ์ด๋ ฅ
  }
}

# ๊ทธ๋ฃน ๊ธฐ๋ฐ˜ ๊ถŒํ•œ ๊ด€๋ฆฌ (์ง์ ‘ ๋ถ€์—ฌ ๊ธˆ์ง€)
resource "aws_iam_group" "developers" {
  name = "Developers"
}

resource "aws_iam_group_membership" "developer" {
  name  = "developer-membership"
  users = [aws_iam_user.developer.name]
  group = aws_iam_group.developers.name
}

# ์ตœ์†Œ ๊ถŒํ•œ ์ •์ฑ…
resource "aws_iam_group_policy_attachment" "dev" {
  group      = aws_iam_group.developers.name
  policy_arn = aws_iam_policy.developer_access.arn
}

# ๋น„๋ฐ€๋ฒˆํ˜ธ ์ •์ฑ… ๊ฐ•์ œ
resource "aws_iam_account_password_policy" "strict" {
  minimum_password_length        = 14
  require_lowercase_characters   = true
  require_uppercase_characters   = true
  require_numbers                = true
  require_symbols                = true
  max_password_age               = 90   # 90์ผ ๋งŒ๋ฃŒ
  password_reuse_prevention      = 24   # 24ํšŒ ์žฌ์‚ฌ์šฉ ๊ธˆ์ง€
}

๐Ÿ’ก ํ•ต์‹ฌ: IAM ์‚ฌ์šฉ์ž์—๊ฒŒ ์ •์ฑ…์„ ์ง์ ‘ ๋ถ€์—ฌํ•˜์ง€ ์•Š๊ณ  ๊ทธ๋ฃน ๊ธฐ๋ฐ˜์œผ๋กœ ๊ถŒํ•œ์„ ๊ด€๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ๋ชจ๋“  ์‚ฌ์šฉ์ž์—๊ฒŒ ํƒœ๊ทธ๋กœ ๋‹ด๋‹น์ž, ๋ถ€์„œ, ์Šน์ธID๋ฅผ ๊ธฐ๋กํ•˜์—ฌ ๊ณ„์ • ์ƒ๋ช…์ฃผ๊ธฐ๋ฅผ ์ถ”์ ํ•ฉ๋‹ˆ๋‹ค. aws_iam_account_password_policy๋กœ ๋น„๋ฐ€๋ฒˆํ˜ธ ๋ณต์žก๋„, 90์ผ ๋งŒ๋ฃŒ, 24ํšŒ ์žฌ์‚ฌ์šฉ ๊ธˆ์ง€๋ฅผ ๊ฐ•์ œํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ“š ์ฐธ๊ณ  ์ž๋ฃŒ

๐Ÿ”’ AWS IAM ๋ณด์•ˆ ๋ชจ๋ฒ”์‚ฌ๋ก€ โ†— ๐Ÿ” AWS IAM Access Analyzer โ†— ๐Ÿ‘ฅ AWS IAM Identity Center โ†—
๐Ÿ“Š

๋ฆฌํฌํŠธ ๋ฐฉ์•ˆ

ISMS-P ์‹ฌ์‚ฌ ์ฆ์  ๋ฐ ์ •๊ธฐ ๋ณด๊ณ 

๐Ÿ“‹ ์ง„๋‹จ ํ•ญ๋ชฉ

  • IAM User AdministratorAccess ์ง์ ‘ ๋ถ€์—ฌ
  • IAM User ๊ด€๋ฆฌ ํƒœ๊ทธ ์กด์žฌ ์—ฌ๋ถ€
  • ๋ฏธ์‚ฌ์šฉ ๊ณ„์ • (45์ผ ์ด์ƒ)
  • Access Key ์ˆœํ™˜ ํ˜„ํ™ฉ (90์ผ)
  • ๋น„๋ฐ€๋ฒˆํ˜ธ ์ •์ฑ… ์ ์šฉ ์—ฌ๋ถ€

๐Ÿ“… ๋ฆฌํฌํŠธ ์ฃผ๊ธฐ

์ผ๊ฐ„

์‹ ๊ทœ/์‚ญ์ œ ๊ณ„์ • ๋ณ€๊ฒฝ ์•Œ๋ฆผ

์ฃผ๊ฐ„

๋ฏธ์‚ฌ์šฉ ๊ณ„์ •/Access Key ํ˜„ํ™ฉ

์›”๊ฐ„

ISMS-P ์ฆ์  ๋ฆฌํฌํŠธ (๊ณ„์ • ๋Œ€์žฅ)

๐Ÿ“ค ๋ฐœ์†ก ๋ฐ ์ €์žฅ

๋ฐœ์†ก ์ฑ„๋„

Email Slack

์ €์žฅ์†Œ

S3 (5๋…„ ๋ณด๊ด€)
โšก

BSG ์ฐจ๋ณ„์ 

๊ธฐ์กด ๋„๊ตฌ๊ฐ€ ๋†“์น˜๋Š” ์ ๊ฒ€ ์˜์—ญ

๊ธฐ์กด ๋„๊ตฌ ๋ฐฉ์‹

๋ฏธ์‚ฌ์šฉ ์ผ์ˆ˜ ๊ธฐ์ค€ ๋‹จ์ˆœ ์ฒดํฌ

  • password_last_used > 45 days ๋น„๊ต
  • Access Key ๋ฏธ์‚ฌ์šฉ ๊ธฐ๊ฐ„๋งŒ ์ฒดํฌ
  • ์ •์  ๋ถ„์„ ๊ฒฐ๊ณผ๋งŒ ์ถœ๋ ฅ

ํ•œ๊ณ„: ํ‡ด์‚ฌ์ž ๊ณ„์ • ํƒ์ง€ ๋ถˆ๊ฐ€, ์Šน์ธ ์ ˆ์ฐจ ๊ฒ€์ฆ ๋ถˆ๊ฐ€, ๊ณผ๋„ํ•œ ๊ถŒํ•œ ์‹ฌ๊ฐ๋„ ๋ฏธ๋ถ„๋ฅ˜

BSG ์ ‘๊ทผ ๋ฐฉ์‹

IaC + Runtime + HR ์—ฐ๋™ ํ†ตํ•ฉ ์ ๊ฒ€

  • ๋ฐฐํฌ ์ „ AdministratorAccess ์ง์ ‘ ๋ถ€์—ฌ ์ฐจ๋‹จ
  • HR ์‹œ์Šคํ…œ ์—ฐ๋™ ํ‡ด์‚ฌ์ž ๊ณ„์ • ์ž๋™ ํƒ์ง€
  • ์Šน์ธ ์›Œํฌํ”Œ๋กœ์šฐ ์ด๋ ฅ ๊ด€๋ฆฌ

์ฐจ๋ณ„์ : ๊ณ„์ • ์ƒ์„ฑ โ†’ ๊ถŒํ•œ ๋ถ€์—ฌ โ†’ ์‚ฌ์šฉ โ†’ ์‚ญ์ œ ์ „ ์ƒ๋ช…์ฃผ๊ธฐ ๊ด€๋ฆฌ

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