????? (Man-in-the-middle Attack)

1
????? (Man-in-the-middle Attack)

• A0953318 ???

2
?????????

• ??ARP??????,??????ARP??????????,????IP???MAC??????
  ????ARP?????,????????????ARP??,?????ARP?????

3
????
4
(No Transcript)
5
?????????

• ????????,????????
• ?????????????????
• ????????????,????????????????,??????
• ?????????,??????????,??????

6
??

• ???????! ?????????
• ?Prg Trojan????????????????????????????
• ???????Prg Trojan???,?????????????????????????????
  ?????
• ?Prg Trojan??????????????????,???????????,????????
  ??????????????????

7
ARP spoofing(ARP??)
8
ARP spoofing(ARP??)
9
???????

• ??????
• ????????,?????????,??????????
• ???????????????,????????????????,????????????
• ?????????(HMAC)
• ?????????,??? HMAC ?????????,??????????????