Mistral-7B โ€” Korean Phishing Email Detection (LoRA)

ํ•œ๊ตญ์–ด ํ”ผ์‹ฑ ์ด๋ฉ”์ผ ํƒ์ง€๋ฅผ ์œ„ํ•ด Mistral-7B-Instruct-v0.3๋ฅผ LoRA ํŒŒ์ธํŠœ๋‹ํ•œ ๋ชจ๋ธ์ž…๋‹ˆ๋‹ค.

NIPA 2026 ์˜คํ”ˆ์†Œ์Šค AIยทSW ํ™œ์šฉ ์ง€์›์‚ฌ์—… (CAiON SecOps) PoC ์‚ฐ์ถœ๋ฌผ๋กœ, ์‹ค์ œ ๋ณด์•ˆ ์šด์˜ ํ™˜๊ฒฝ(ISMS ์ธ์ฆ ๊ธฐ์—…)์—์„œ ์ˆ˜์ง‘ํ•œ ๋ฐ์ดํ„ฐ๋กœ ํ•™์Šตํ•˜๊ณ  ๊ฒ€์ฆํ–ˆ์Šต๋‹ˆ๋‹ค.

๋ผ์ด๋ธŒ ๋ฐ๋ชจ

๐Ÿ‘‰ HuggingFace Spaces ๋ฐ๋ชจ

ํ”ผ์‹ฑ ์ด๋ฉ”์ผ์„ ์ž…๋ ฅํ•˜๋ฉด ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋ถ„๋ฅ˜ โ†’ ์œ„ํ˜‘ ๋ถ„์„ โ†’ ์—์ด์ „ํ‹ฑ ์กฐ์น˜ ์ œ์•ˆ๊นŒ์ง€ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์„ฑ๋Šฅ (PoC 230๊ฑด ํ…Œ์ŠคํŠธ์…‹)

์ง€ํ‘œ ํŒŒ์ธํŠœ๋‹ ์ „ ํŒŒ์ธํŠœ๋‹ ํ›„
์ •ํ™•๋„ 57.7% 100%
์˜คํƒ์œจ (FPR) 98.2% 0%
์ถ”๋ก  ์†๋„ (H100) โ€” 238.7 samples/sec
ํ•™์Šต ์‹œ๊ฐ„ (QLoRA) โ€” 8.2๋ถ„

PoC 230๊ฑด ๊ธฐ์ค€ ์ˆ˜์น˜์ด๋ฉฐ, ๋ณธ ๊ณผ์ œ์—์„œ 5,000๊ฑด ์ด์ƒ์œผ๋กœ ํ™•๋Œ€ ๊ฒ€์ฆ ์˜ˆ์ •์ž…๋‹ˆ๋‹ค.

๋ชจ๋ธ ํŒŒ์ผ

ํŒŒ์ผ ์„ค๋ช… ์šฉ๋„
adapter_model.safetensors LoRA ์–ด๋Œ‘ํ„ฐ ๊ฐ€์ค‘์น˜ GPU ์„œ๋ฒ„ (peft + transformers)
mistral-7b-phishing-ko-Q4_K_M.gguf GGUF Q4_K_M ์–‘์žํ™” CPU ์ถ”๋ก  (ctransformers)

์‚ฌ์šฉ ๋ฐฉ๋ฒ•

GPU ํ™˜๊ฒฝ (LoRA ์–ด๋Œ‘ํ„ฐ)

from transformers import AutoModelForCausalLM, AutoTokenizer
from peft import PeftModel

base = AutoModelForCausalLM.from_pretrained(
    "mistralai/Mistral-7B-Instruct-v0.3",
    load_in_4bit=True,
    device_map="auto",
)
model = PeftModel.from_pretrained(base, "joohans/mistral-7b-phishing-ko")
tokenizer = AutoTokenizer.from_pretrained("mistralai/Mistral-7B-Instruct-v0.3")

prompt = "[INST] ๋‹ค์Œ ์ด๋ฉ”์ผ์ด ํ”ผ์‹ฑ์ธ์ง€ ํŒ๋‹จํ•˜์„ธ์š”.\n\n{email_text} [/INST]"

CPU ํ™˜๊ฒฝ (GGUF Q4_K_M)

from huggingface_hub import hf_hub_download
from ctransformers import AutoModelForCausalLM

gguf_path = hf_hub_download(
    repo_id="joohans/mistral-7b-phishing-ko",
    filename="mistral-7b-phishing-ko-Q4_K_M.gguf",
)
llm = AutoModelForCausalLM.from_pretrained(
    gguf_path, model_type="mistral",
    context_length=2048, threads=4,
)

ํ•™์Šต ์ •๋ณด

ํ•ญ๋ชฉ ๋‚ด์šฉ
๋ฒ ์ด์Šค ๋ชจ๋ธ mistralai/Mistral-7B-Instruct-v0.3
ํ•™์Šต ๋ฐฉ๋ฒ• QLoRA (4-bit + LoRA r=16, alpha=32)
ํ•™์Šต ๋ฐ์ดํ„ฐ ํ•œ๊ตญ์–ด ํ”ผ์‹ฑ ์ด๋ฉ”์ผ + ์ •์ƒ ์ด๋ฉ”์ผ (๊ณต๊ฐœ ์ฝ”ํผ์Šค + ๋‚ด๋ถ€ ์ˆ˜์ง‘)
ํ•™์Šต ํ•˜๋“œ์›จ์–ด NVIDIA H100 NVL 96GB
ํ•™์Šต ์‹œ๊ฐ„ 8.2๋ถ„
LoRA ๋Œ€์ƒ ๋ ˆ์ด์–ด q_proj, v_proj, k_proj, o_proj

ํ•œ๊ตญ์–ด ํ”ผ์‹ฑ ํƒ์ง€์—์„œ์˜ ์ฐจ๋ณ„์ 

์ผ๋ฐ˜์ ์ธ ํ”ผ์‹ฑ ํƒ์ง€ ๋ชจ๋ธ์€ ์˜์–ด ๋ฐ์ดํ„ฐ ์œ„์ฃผ๋กœ ํ•™์Šต๋˜์–ด ํ•œ๊ตญ์–ด ํ”ผ์‹ฑ ๋ฉ”์ผ์˜ ํŠน์„ฑ์„ ๋ฐ˜์˜ํ•˜์ง€ ๋ชปํ•ฉ๋‹ˆ๋‹ค.

์ด ๋ชจ๋ธ์€ ๋‹ค์Œ์„ ๊ณ ๋ คํ•˜์—ฌ ํ•™์Šตํ–ˆ์Šต๋‹ˆ๋‹ค:

  • ํ•œ๊ตญ ๊ธˆ์œต๊ธฐ๊ด€ยท๊ณต๊ณต๊ธฐ๊ด€ ์‚ฌ์นญ ํŒจํ„ด (๊ตญ์„ธ์ฒญ, ๊ธˆ๊ฐ์›, ์นด์นด์˜ค, ๋„ค์ด๋ฒ„ ๋“ฑ)
  • ํ•œ๊ตญ์–ด ๊ธด๊ธ‰์„ฑ ํ‘œํ˜„ ("์ฆ‰์‹œ", "24์‹œ๊ฐ„ ๋‚ด", "๊ณ„์ • ์ •์ง€" ๋“ฑ)
  • ํ•œ๊ตญ์–ด ๋งž์ถค๋ฒ•ยท๋„์–ด์“ฐ๊ธฐ ๋ณ€ํ˜•์„ ์ด์šฉํ•œ ์šฐํšŒ ์‹œ๋„
  • ํ•œ๊ธ€-์˜์–ด ํ˜ผ์šฉ URL ํŒจํ„ด

์†Œ์Šค ์ฝ”๋“œ

์ „์ฒด ํ•™์Šต ์Šคํฌ๋ฆฝํŠธ ๋ฐ ํ‰๊ฐ€ ์ฝ”๋“œ: ๐Ÿ‘‰ github.com/jsong1230/caion-secops-poc

๋ผ์ด์„ ์Šค

MIT License โ€” ์ƒ์—…์  ์‚ฌ์šฉ ํฌํ•จ ์ž์œ ๋กญ๊ฒŒ ํ™œ์šฉ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.

๊ฐœ๋ฐœ

CPLabs (์ฃผ์‹ํšŒ์‚ฌ ์”จํ”ผ๋žฉ์Šค) โ€” NIPA 2026 ์˜คํ”ˆ์†Œ์Šค AIยทSW ํ™œ์šฉ ์ง€์›์‚ฌ์—…

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