基于多层防护的高校钓鱼邮件防御体系研究

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中图分类号：TP309；TP393.4 文献标志码：A 文章编码：1672-7274（2026）02-0014-03

Research on Multi-layer Defense System for Phishing Email in Universities

HUANG Hefu

Abstract： In thecontext ofrapid AI development，phishing email attacks on universities show new characteristics of intelligence and concealment.This paper proposes amulti-layer defensesystem fromthe technical，management， and personnel dimensions， deploying SPF/DKIM/DMARC protocols，security gateways， and intellgent detection systems to form a closed-loop protection mechanism.

KeyWords： phishing email; email security; multi-layer defense; university network security; SPF/DKIM/DMARC

0 引言

钓鱼邮件攻击作为一种常见的网络安全威胁，正对高校信息安全构成严重挑战。（剩余4628字）