Senior Security Engineer (Blue Operations)

Seoul, South Korea

Coupang

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ํšŒ์‚ฌ ์†Œ๊ฐœย 

์ฟ ํŒก์€ ๊ณ ๊ฐ ๊ฐ๋™ ์‹คํ˜„์„ ์œ„ํ•ด ์กด์žฌํ•ฉ๋‹ˆ๋‹ค. ๊ณ ๊ฐ๋“ค์ด "์ฟ ํŒก ์—†์ด ๊ทธ๋™์•ˆ ์–ด๋–ป๊ฒŒ ์‚ด์•˜์„๊นŒ?" ๋ผ๊ณ  ๋งํ•  ๋•Œ, ๋น„๋กœ์†Œ ์šฐ๋ฆฌ์˜ ๋ฏธ์…˜์„ ์‹คํ˜„ํ•˜๊ณ  ์žˆ์Œ์„ ์•Œ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ณ ๊ฐ๋“ค์˜ ์‡ผํ•‘๊ณผ ์‹์‚ฌ, ์ƒํ™œ ์ „๋ฐ˜์„ ํŽธํ•˜๊ฒŒ ๋งŒ๋“ค๊ฒ ๋‹ค๋Š” ์œ ์ผํ•œ ์ง‘๋…์œผ๋กœ ์ฟ ํŒก์€ ์ˆ˜์–ต ๋‹ฌ๋Ÿฌ ๊ทœ๋ชจ์˜ ์ด์ปค๋จธ์Šค ์‚ฐ์—… ์ „๋ฐ˜์˜ ํ˜์‹ ์„ ์ด๋Œ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์ฟ ํŒก์€ ๊ฐ€์žฅ ๋น ๋ฅด๊ฒŒ ์„ฑ์žฅํ•˜๋Š” ์ด์ปค๋จธ์Šค ๊ธฐ์—… ์ค‘ ํ•˜๋‚˜๋กœ, ๊ตญ๋‚ด ์ปค๋จธ์Šค ์—…๊ณ„์—์„œ์˜ ๋…๋ณด์ ์ธ ์ž…์ง€์™€, ๊ณ ๊ฐ ์‹ ๋ขฐ๋ฅผ ๊ตฌ์ถ•ํ–ˆ์Šต๋‹ˆ๋‹ค.ย 

์ฟ ํŒก์€ ์Šคํƒ€ํŠธ์—… ๋ฌธํ™”๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ํ•œ ๊ธ€๋กœ๋ฒŒ ๋Œ€ํ˜• ์ƒ์žฅ์‚ฌ๋ผ๊ณ  ์ž๋ถ€ํ•ฉ๋‹ˆ๋‹ค. ์ด๊ฒƒ์ด ์ฐฝ๋ฆฝ ๋‹น์‹œ์˜ ๊ธฐ๋ฏผํ•จ์„ ์œ ์ง€ํ•˜๋ฉฐ, ์‹ ๊ทœ ์„œ๋น„์Šค๋ฅผ ๋Š์ž„์—†์ด ์ถœ์‹œํ•˜๋ฉฐ ๋น„์ฆˆ๋‹ˆ์Šค๋ฅผ ํ™•์žฅํ•ด ๋‚˜๊ฐ€๋Š” ์šฐ๋ฆฌ์˜ ์„ฑ์žฅ ๋™๋ ฅ์ž…๋‹ˆ๋‹ค. ์ฟ ํŒก์˜ ๋ชจ๋“  ์ž„์ง์›์—๊ฒŒ๋Š” ๊ธฐ์—…๊ฐ€ ์ •์‹ ์„ ๊ฐ–์ถ”๊ณ  ์ƒˆ๋กœ์šด ํ˜์‹ ๊ณผ ์ด๋‹ˆ์…”ํ‹ฐ๋ธŒ๋ฅผ ์ถ”์ง„ํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐํšŒ๊ฐ€ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. ์ฃผ์ € ์—†์ด ์ผ์— ๋›ฐ์–ด๋“ค์–ด ์„ฑ๊ณผ๋ฅผ ์ด๋ฃจ๊ณ ์ž ํ•˜๋Š” ๊ณผ๊ฐ์„ฑ์ด, ๋ฐ”๋กœ ์ฟ ํŒก์ด ์ผํ•˜๋Š” ๋ฐฉ์‹์˜ ๋ณธ์งˆ์ž…๋‹ˆ๋‹ค. ์ฟ ํŒก์—์„œ๋Š” ์—ฌ๋Ÿฌ๋ถ„ ์ž์‹ , ๋™๋ฃŒ, ํŒ€ ๊ทธ๋ฆฌ๊ณ  ํšŒ์‚ฌ ์ „์ฒด๊ฐ€ ๋งค์ผ ์„ฑ์žฅํ•˜๋Š” ๋ชจ์Šต์„ ๋ชฉ๊ฒฉํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.ย 

์ฟ ํŒก์˜ ๋ชจ๋“  ์ง์›์€ ์ปค๋จธ์Šค์˜ ๋ฏธ๋ž˜๋ฅผ ๋งŒ๋“ค๊ฒ ๋‹ค๋Š” ์ฟ ํŒก์˜ ๋ฏธ์…˜์— ์ง„์‹ฌ์ž…๋‹ˆ๋‹ค. ์šฐ๋ฆฌ๋Š” ๊ณ ๊ฐ์˜ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•ด ๋‚˜๊ฐ€๊ณ , ์ „ํ†ต์ ์ธ ๊ด€๋…๊ณผ ํ†ต๋…์— ๋งž์„œ๋ฉฐ ์‹คํ˜„ ๊ฐ€๋Šฅํ•œ ํ•œ๊ณ„๋ฅผ ๋›ฐ์–ด๋„˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ๊ณ ๊ฐ€์šฉ์„ฑ (always-on) ๊ณผ ์ตœ์ฒจ๋‹จ์˜ ์•ž์„  ๊ธฐ์ˆ  (high-tech), ์ดˆ์—ฐ๊ฒฐ์‚ฌํšŒ (hyper-connected world) ์—์„œ์˜ ๋†€๋ผ์šด ์—…๋ฌด ๊ฒฝํ—˜์„ ์›ํ•˜์‹ ๋‹ค๋ฉด, ์ง€๊ธˆ ๋ฐ”๋กœ ์ฟ ํŒก์— ํ•ฉ๋ฅ˜ํ•˜์„ธ์š”.

ย ํŒ€ ์†Œ๊ฐœย 

Blue Team์€ ์ฟ ํŒก์—์„œ ๋ฐœ์ƒํ•˜๋Š” ๋ชจ๋“  ์‚ฌ์ด๋ฒ„ ์‚ฌ๊ฑด์„ ๋กœ๊ทธ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๊ณ  ์œ„ํ˜‘์„ ํƒ์ง€ํ•ด ๋น ๋ฅด๊ฒŒ ๋Œ€์‘ํ•จ์œผ๋กœ์จ ํ”ผํ•ด๋ฅผ ์ตœ์†Œํ™” ํ•˜๋Š” ์—ญํ• ์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค. Blue Team์€ ์ด๋Ÿฐ ๋ชฉํ‘œ๋ฅผ ๋‹ฌ์„ฑํ•˜๊ธฐ ์œ„ํ•ด SOC(Security Operation Center)์™€ ์นจํ•ด์‚ฌ๊ณ ๋Œ€์‘ ์ „๋ฌธ ์กฐ์ง์ธ DART(Detection And Response Team)ํŒ€, ์—…๋ฌด ์ž๋™ํ™”์™€ Blue Team์— ํ•„์š”ํ•œ ๊ฐœ๋ฐœ์„ ๋‹ด๋‹นํ•˜๋Š” Blue EngineeringํŒ€, ์นจํ•ด์‚ฌ๊ณ  ํƒ์ง€ ๋Šฅ๋ ฅ ํ–ฅ์ƒ์„ ์œ„ํ•œ Detection EngineeringํŒ€๊ณผ Blue Team ์—์„œ ์šด์˜ํ•˜๋Š” ๋‹ค์–‘ํ•œ ๋ณด์•ˆ ์†”๋ฃจ์…˜๊ณผ ์žฅ๋น„๋“ค์„ ํšจ๊ณผ์ ์ด๊ณ  ์•ˆ์ •์ ์œผ๋กœ ์šด์˜ํ•˜๋Š” Blue Ops Team์œผ๋กœ ๊ตฌ์„ฑ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.

์—…๋ฌด ๋‚ด์šฉ

  • ์ด๋ฉ”์ผ ๋ณด์•ˆ ์ธํ”„๋ผ ์„ค๊ณ„, ๊ตฌํ˜„ ๋ฐ ์ ์šฉ ์ง„ํ–‰
  • ์ด๋ฉ”์ผ ๋ณด์•ˆ ์†”๋ฃจ์…˜ ๋ฐ ๊ฐ์ข… ๋ณด์•ˆ ์†”๋ฃจ์…˜ ์šด์˜๊ณผ ๋ชจ๋‹ˆํ„ฐ๋ง
  • Microsoft 365, G suite ๋“ฑ ํด๋ผ์šฐ๋“œ ๊ธฐ๋ฐ˜ ์„œ๋น„์Šค ๊ฐ์ข… ๋ณด์•ˆ ์ •์ฑ… ์„ค์ •
  • Microsoft 365, G suite ๋“ฑ ๋กœ๊ทธ ๋ถ„์„ ๋ฐ ๋ฉ”์‹œ์ง€ ์ด์Šˆ ํ™•์ธ ๋ฐ ์กฐ์น˜
  • ํ”ผ์‹ฑ, ์ŠคํŒธ, ์•…์„ฑ์ฝ”๋“œ ๋“ฑ์˜ ์ด๋ฉ”์ผ ๊ธฐ๋ฐ˜ ๊ณต๊ฒฉ์„ ์‹๋ณ„ํ•˜๊ณ  ๋Œ€์‘
  • ์ด๋ฉ”์ผ ๋ณด์•ˆ ์†”๋ฃจ์…˜ ํ…Œ์ŠคํŠธ, ๋„์ž… ๋ฐ ์šด์˜, ๋ชจ๋‹ˆํ„ฐ๋ง
  • ์ด๋ฉ”์ผ ๊ด€๋ จ ํƒ์ง€ ์ •์ฑ… ๊ฐœ๋ฐœ ๋ฐ Playbook ์ˆ˜๋ฆฝ
  • ์ด๋ฉ”์ผ ๋ณด์•ˆ ๋ชจ๋ธ, ์ ˆ์ฐจ, ๊ฐ€์ด๋“œ๋ผ์ธ ์ˆ˜๋ฆฝ ๋ฐ ์—…๋ฐ์ดํŠธ ์ง„ํ–‰
  • ์ด๋ฉ”์ผ ๋ฐ ์Šค๋ฏธ์‹ฑ ์‚ฌ๊ณ  ๋ฐœ์ƒ ์‹œ ์‹ ์†ํ•œ ๋Œ€์‘๊ณผ, ๋ณด๊ณ  ๋ฐ ํ”ผํ•ด ์ตœ์†Œํ™”๋ฅผ ์œ„ํ•œ ์กฐ์น˜ ์ˆ˜ํ–‰
  • ์•…์„ฑ ๋ฉ”์ผ ๋ชจ์˜ ํ›ˆ๋ จ ์ง„ํ–‰ ๋ฐ ๋ณด๊ณ ์„œ ์ž‘์„ฑ
  • ์ตœ์‹  ์ด๋ฉ”์ผ ๋ณด์•ˆ ๊ธฐ์ˆ  ๋ฐ ๋™ํ–ฅ ์—ฐ๊ตฌ ๋ฐ ์‹œ์Šคํ…œ ์ ์šฉ
  • ์—…๋ฌด ์™ธ ์‹œ๊ฐ„์˜ ์‚ฌ๊ณ  ๋ฐ ์ด์Šˆ์— ๋Œ€๋น„ํ•œ On-call

์ž๊ฒฉ ์š”๊ฑด

  • ์ด๋ฉ”์ผ ๋ณด์•ˆ ์‹œ์Šคํ…œ ๋ฐ ์†”๋ฃจ์…˜ ์šด์˜ ๊ฒฝํ—˜ 3๋…„ ์ด์ƒ
  • Microsoft 365, G suite ๋“ฑ ํด๋ผ์šฐ๋“œ ๊ธฐ๋ฐ˜ ์„œ๋น„์Šค ์šด์˜ ๊ฒฝํ—˜
  • Microsoft 365, G suite ๋“ฑ ๋ณด์•ˆ ์ •์ฑ… ์„ค์ • ๋ฐ ์ ˆ์ฐจ ์ˆ˜๋ฆฝ ๊ฒฝํ—˜
  • ์•…์„ฑ ๋ฉ”์ผ ๋ชจ์˜ ํ›ˆ๋ จ ์ง„ํ–‰ ๊ฒฝํ—˜
  • SPF, DKIM, DMARC ๋“ฑ์˜ ์ด๋ฉ”์ผ ์ธ์ฆ ๊ธฐ์ˆ ์— ๋Œ€ํ•œ ์ดํ•ด์™€ ์‹ค๋ฌด ๊ฒฝํ—˜
  • ์ด๋ฉ”์ผ ํ—ค๋” ๋ถ„์„, ์œ„ํ˜‘ ๋ถ„์„ ๋ฐ ๋Œ€์‘์— ๋Œ€ํ•œ ๊ฒฝํ—˜๊ณผ ๋Šฅ๋ ฅ
  • ์ด๋ฉ”์ผ ํŠธ๋ž˜ํ”ฝ ๊ด€๋ จ ์ง€์‹ ๋ณด์œ  ๋ฐ ๋ณด์•ˆ ์ •์ฑ… ๋ฐ ์ ˆ์ฐจ ์ˆ˜๋ฆฝ ๊ฒฝํ—˜
  • ๊ฐ์ข… ์•…์„ฑ ์ฝ”๋“œ, ํ”ผ์‹ฑ ์›น์‚ฌ์ดํŠธ ๋“ฑ ๋ถ„์„ ๊ฒฝํ—˜
  • ๋„คํŠธ์›Œํฌ ๋ณด์•ˆ ๋ฐ ์‹œ์Šคํ…œ ๋ณด์•ˆ์— ๋Œ€ํ•œ ๊ธฐ๋ณธ์ ์ธ ์ง€์‹ ๋ณด์œ 
  • ๊ฐ์ข… ๋ณด์•ˆ ์†”๋ฃจ์…˜ ์šด์˜ ๋ฐ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ฒฝํ—˜
  • Python, Go, JavaScript ์™€ ๊ฐ™์€ ์ปดํ“จํ„ฐ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์–ธ์–ด ์‚ฌ์šฉ ๋Šฅ๋ ฅ ๋ณด์œ 
  • SIEM ๋˜๋Š” Splunk ์‚ฌ์šฉ ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„
  • On-premise, Cloudํ™˜๊ฒฝ(AWS, Azure, GCP๋“ฑ) ๊ธฐ๋ณธ์ ์ธ ์ง€์‹ ๋ณด์œ 
  • ๋›ฐ์–ด๋‚œ ๋ถ„์„๊ธฐ์ˆ  ๋ฐ ๋ฌธ์ œํ•ด๊ฒฐ ๋Šฅ๋ ฅ ๋ณด์œ 
  • ๋ฐ์ดํ„ฐ์™€ ํ†ต์ฐฐ๋ ฅ์„ ๊ทผ๊ฑฐ๋กœ ์‚ฌ๋žŒ๋“ค์„ ์„ค๋“ํ•˜๊ณ  ๊ณต๊ฐ๋Œ€๋ฅผ ํ˜•์„ฑํ•ด๊ฐˆ ์ˆ˜ ์žˆ๋Š” ๋›ฐ์–ด๋‚œ ์˜์‚ฌ์†Œํ†ต ๋Šฅ๋ ฅ ๋ณด์œ 
  • ์ปดํ“จํ„ฐ ํ˜น์€ ์‚ฌ์ด๋ฒ„๋ณด์•ˆ๊ด€๋ จ ํ•™์‚ฌํ•™์œ„ ์ทจ๋“์ž ๋˜๋Š” ๋™๋“ฑํ•œ ์ˆ˜์ค€์˜ ์‹ค๋ฌด ๊ฒฝํ—˜ ๋ณด์œ 

์šฐ๋Œ€ ์‚ฌํ•ญ

  • ์ž๋™ํ™” ๋ฐ ์Šคํฌ๋ฆฝํŠธ(Python, Go, Linux shell, Powershell ๋“ฑ) ๊ฐœ๋ฐœ ๊ฒฝํ—˜
  • ์‚ฌ์ด๋ฒ„ ๋ณด์•ˆ ๊ด€๋ จ ์ž๊ฒฉ์ฆ (์˜ˆ: CISSP, ์ •๋ณด์ฒ˜๋ฆฌ๊ธฐ์‚ฌ, ์ •๋ณด๋ณด์•ˆ๊ธฐ์‚ฌ ๋“ฑ)
  • SQL ์ฟผ๋ฆฌ, ๋ฐ์ดํ„ฐ ์‹œ๊ฐํ™” ๋“ฑ ๋ฐ์ดํ„ฐ ๋ถ„์„๊ด€๋ จ ์—…๋ฌด ์ง€์‹(Splunk, ELK Stack)
  • ํด๋ผ์šฐ๋“œ ํ”Œ๋žซํผ(์˜ˆ: AWS, Azure, GCP) ๊ด€๋ จ ์ง€์‹
  • E-commerce ์‚ฌ์—…๊ด€๋ จ ์—…๋ฌด ํ”„๋กœ์„ธ์Šค ์ „๋ฌธ ์ง€์‹
  • OWASP, MITRE ATT&CK ๊ด€๋ จ ์ง€์‹ ๋˜๋Š” ์ ์šฉ ๊ฒฝํ—˜

* Salary range is an estimate based on our InfoSec / Cybersecurity Salary Index ๐Ÿ’ฐ

Job stats:  9  0  0

Tags: AWS Azure Blue team CISSP DART E-commerce ELK GCP JavaScript Linux MITRE ATT&CK OWASP PowerShell Python SIEM SOC Splunk SQL

Region: Asia/Pacific
Country: South Korea

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