1. SECURITY HACKER’S ASPECT IN WLAN ENVIRONMENT 通工所 研二 691430042 楊川民

2. Outline  Hacker ’ s evolvement  Hacker ’ s task  Hacker ’ s procedure  Attack (DOS) AP  Attack (steal) user ID and password

3. Evolvement PastNowFuture Hacker ’ group ProfessionalStudentBaby Tools Complex program Simple tools GUI CostLessLargeVery large

4. Hacker’s task  Modification of information  Masquerade  Message stream modification  Disclosure

5. Attacker Procedure  Identify machine that you want to attack  Estimating the risk and cost  Use tools that test weakness in the machine  Start attack

6. Attacker Access Point (DOS) AP Hacker request impact

7. WLAN Environment AP Send ID and password request Authorization and serve

8. AP Attack WLAN Environment HACKER request Send ID and password Authorization and serve