์˜คํƒ (False Positive), ๋ฏธํƒ (False Negative)

2022. 8. 10. 21:29ยท ๐Ÿ“š ์—ฐ์žฌ ์‹œ๋ฆฌ์ฆˆ/์ž์ฃผ ์“ฐ์ด๋Š” IT ์šฉ์–ด ์ •๋ฆฌ
๋ชฉ์ฐจ
  1. ์˜คํƒ (False Positive), ๋ฏธํƒ (False Negative) 
  2. True Positive
  3. False Positive
  4. True Negative
  5. False Negative
  6. Reference

์˜คํƒ (False Positive), ๋ฏธํƒ (False Negative) 

๋‹ค์–‘ํ•œ ๋ถ„์•ผ์—์„œ ์‚ฌ์šฉ๋˜๋Š” ์šฉ์–ด์ด์ง€๋งŒ ํƒ์ง€์— ๊ด€ํ•œ ๋‚ด์šฉ์ด๋ฏ€๋กœ IDS (์นจ์ž… ํƒ์ง€ ์†”๋ฃจ์…˜) ๊ธฐ์ค€์œผ๋กœ ์ •์˜ํ•  ์˜ˆ์ •์ด๋‹ค.


True Positive

์ •์ƒ ํŒจํ‚ท์„ ์ •์ƒ์œผ๋กœ ํƒ์ง€ํ–ˆ๊ธฐ์— ๋ฌธ์ œ๊ฐ€ ๋˜์ง€ ์•Š์Œ

 

False Positive

์ •์ƒ ํŒจํ‚ท์„ ๋น„์ •์ƒ์ด๋ผ๊ณ  ํƒ์ง€ํ–ˆ๊ธฐ ๋•Œ๋ฌธ์— ๋กœ๊ทธ๋‚˜ ๊ฒฝ๊ณ ๊ฐ€ ๋‚จ์•„ ์ด๋ฅผ ํ™•์ธํ•˜๋Š” ๋ฒˆ๊ฑฐ๋กœ์›€์ด ์ƒ๊ธฐ๊ธด ํ•˜์ง€๋งŒ ๊ณต๊ฒฉ์ด ์•„๋‹ˆ๋ฏ€๋กœ ์น˜๋ช…์ ์ธ ๊ฒฐ๊ณผ๋ฅผ ๋‚ณ์ง€๋Š” ์•Š๋Š”๋‹ค.

 

True Negative

๋น„์ •์ƒ ํŒจํ‚ท์„ ๋น„์ •์ƒ์œผ๋กœ ํŒ๋‹จํ•˜์—ฌ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ํŒ๋‹จํ•˜์˜€๊ณ  ์ด์— ๋Œ€์ฒ˜๊ฐ€ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•จ

 

False Negative

๋น„์ •์ƒ ํŒจํ‚ท์„ ์ •์ƒ์œผ๋กœ ํŒ๋‹จํ•˜์—ฌ ์•„๋ฌด๋Ÿฐ ๋กœ๊ทธ๋‚˜ ๊ฒฝ๊ณ ๋ฅผ ๋‚จ๊ธฐ์ง€ ์•Š์•„ ํ˜ธ์ŠคํŠธ๊ฐ€ ๊ณต๊ฒฉ์„ ๋‹นํ•  ์œ„ํ—˜์ด ๋ฐœ์ƒํ•˜๋ฏ€๋กœ False Negative๋ฅผ ์ค„์ด๋Š” ๊ฒƒ์ด ๊ฐ€์žฅ ์ค‘์š”ํ•˜๋‹ค.

 

 

Reference

https://certangsecurity.tistory.com/50

 

์˜คํƒ(false positive), ๋ฏธํƒ(false negative)

์—ฌ๋Ÿฌ ๋ถ„์•ผ์—์„œ ์“ฐ์ด๋Š” ๋ง์ด์ง€๋งŒ ๋ณด์•ˆ ์†”๋ฃจ์…˜์„ ๊ธฐ๋ฐ˜์œผ๋กœ ์จ ๋ณด๊ณ ์ž ํ•œ๋‹ค. ํƒ์ง€์— ๋Œ€ํ•œ ๋‚ด์šฉ์ด๊ธฐ ๋•Œ๋ฌธ์— IDS(์นจ์ž…ํƒ์ง€์†”๋ฃจ์…˜)๋ฅผ ๊ธฐ์ค€์œผ๋กœ ์ด์•ผ๊ธฐ๋ฅผ ํ•ด๋ณด์ž ์™ธ๋ถ€์—์„œ ํŒจํ‚ท์ด ์œ ์ž…๋  ๋•Œ IDS๋Š” ํ•ด๋‹น

certangsecurity.tistory.com

 

๋ฐ˜์‘ํ˜•

'๐Ÿ“š ์—ฐ์žฌ ์‹œ๋ฆฌ์ฆˆ > ์ž์ฃผ ์“ฐ์ด๋Š” IT ์šฉ์–ด ์ •๋ฆฌ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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  1. ์˜คํƒ (False Positive), ๋ฏธํƒ (False Negative) 
  2. True Positive
  3. False Positive
  4. True Negative
  5. False Negative
  6. Reference
'๐Ÿ“š ์—ฐ์žฌ ์‹œ๋ฆฌ์ฆˆ/์ž์ฃผ ์“ฐ์ด๋Š” IT ์šฉ์–ด ์ •๋ฆฌ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
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์˜คํƒ (False Positive), ๋ฏธํƒ (False Negative)
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