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‫شبكات‬ ‫في‬ ‫الحماية‬
‫الوايفاي‬
‫الذكية‬ ‫الهواتف‬ ‫مع‬
‫المحتوى‬ ‫جدول‬

‫في‬ ‫الحماية‬
WEP

‫في‬ ‫الحماية‬
WPA/WPA2

‫المنتصف‬ ‫في‬ ‫الرجل‬ ‫هجمات‬

-
‫الشرير‬ ‫التوأم‬ ‫هجوم‬

-
Jasager
WEP
T H E W I R E D E Q U I V A L E N T
P R I V A C Y
‫ال‬ ‫ضعف‬
IV
IV
‫من‬ ‫متكون‬ ‫عشوائي‬ ‫رقم‬ ‫هو‬
24
‫سري‬ ‫مفتاح‬ ‫مع‬ ‫دمجه‬ ‫يتم‬ ‫خانة‬
key
‫لفك‬ ‫كمفتاح‬ ‫للعمل‬
‫من‬ ‫المتنقلة‬ ‫الرزم‬ ‫تشفير‬
‫الراواتر‬
‫به‬ ‫المتصلة‬ ‫األجهزة‬ ‫الى‬
.
‫وجود‬
24
‫ال‬ ‫في‬ ‫خانة‬
IV
‫عدد‬ ‫فوات‬ ‫بعد‬ ‫مميز‬ ‫عشوائي‬ ‫رقم‬ ‫بتكوين‬ ‫يسمح‬ ‫ال‬
(
16،777،216
)
IV
‫المميزة‬ ‫األرقام‬ ‫نفاذ‬ ‫بعد‬ ‫السري‬ ‫المفتاح‬ ‫تغير‬ ‫يتم‬ ‫الحديثة‬ ‫الحماية‬ ‫طرق‬ ‫في‬
‫لل‬
‫ال‬
IV
‫مستخدم‬
‫رزمة‬
‫راوتر‬
WPA/WPA2

WPA2
‫للمؤسسات‬

WPA2
‫للمنازل‬
WPA2
‫للمؤسسات‬

‫الممتد‬ ‫التوثيق‬ ‫خدمات‬ ‫يستعمل‬
EAP

‫خوادم‬ ‫تقنية‬ ‫يستعمل‬
RADIUS
Ok?
Ok?
Ok
Ok
WPA2
‫للمنازل‬

‫التشفير‬ ‫لفك‬ ‫مشترك‬ ‫مفتاح‬ ‫تستعمل‬

‫الخدمات‬ ‫مجموعة‬ ‫على‬ ‫المتعرف‬ ‫رقم‬ ‫تستعمل‬
(
SSID
)
‫لجعل‬
‫أكثر‬ ‫محمي‬ ‫التشفير‬ ‫فك‬ ‫مفتاح‬
SSID (passphrase)
+ Data = Hashed
passphrase
‫الالسلكية‬ ‫المنتصف‬ ‫في‬ ‫الرجل‬ ‫هجمات‬

‫الشرير‬ ‫التوأم‬

Jasager
‫الشرير‬ ‫التوأم‬
‫ن‬ ‫استخدام‬ ‫طريق‬ ‫عن‬ ‫المستخدم‬ ‫بخداع‬ ‫تقوم‬ ‫وهمية‬ ‫شبكة‬
‫فس‬
‫األصلية‬ ‫الشبكة‬ ‫اسم‬
Airport Wi-fi
(
‫مخترق‬
)
Airport Wi-fi
(
‫األصلية‬
)
JASAGER

‫ا‬ ‫الشبكات‬ ‫كل‬ ‫ب‬ ‫االتصال‬ ‫بمحواله‬ ‫تقوم‬ ‫العادة‬ ‫في‬ ‫الذكية‬ ‫الهواتف‬
،‫لمحيطة‬
‫ا‬ ‫يقوم‬ ،‫الهاتف‬ ‫في‬ ‫سابقا‬ ‫مخزنة‬ ‫المحيطة‬ ‫الشبكات‬ ‫احد‬ ‫ان‬ ‫حالة‬ ‫في‬
‫لهاتف‬
‫اليا‬ ‫بها‬ ‫باالتصال‬
.
‫الراوت‬ ‫يقوم‬ ،‫قبل‬ ‫من‬ ‫بها‬ ‫متصل‬ ‫يكن‬ ‫لم‬ ‫وإذا‬
‫بتجاهل‬ ‫ر‬
‫الطلب‬

Jasager
‫الهوات‬ ‫من‬ ‫القادمة‬ ‫الطلبات‬ ‫كل‬ ‫على‬ ‫اليا‬ ‫بالموافقة‬ ‫تقوم‬
‫ف‬
‫قبل‬ ‫من‬ ‫بها‬ ‫تتصل‬ ‫لم‬ ‫لو‬ ‫حتى‬ ،‫الذكية‬
Jasager
‫عادية‬ ‫شبكة‬
SSL STRIP

‫المس‬ ‫يستطيع‬ ،‫االنترنت‬ ‫وخوادم‬ ‫المستخدم‬ ‫بين‬ ‫المخترق‬ ‫تدخل‬ ‫عملية‬ ‫بعد‬
‫ارسال‬ ‫تخدم‬
‫المستخدم‬ ‫الى‬ ‫البيانات‬ ‫من‬ ‫نوع‬ ‫أي‬

‫المتصف‬ ‫على‬ ‫القفل‬ ‫عالمة‬ ‫بإظهار‬ ‫ليقوم‬ ‫المتصفح‬ ‫بتعديل‬ ‫المخترق‬ ‫يقوم‬
‫لخداع‬ ‫ح‬
‫مؤمن‬ ‫موقع‬ ‫على‬ ‫بانه‬ ‫وتوهيمه‬ ‫المستخدم‬
‫شكرا‬

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الحماية_في_شبكات_الوايفاي_مع_الهواتف_الذكية.pptx

  • 2. ‫المحتوى‬ ‫جدول‬  ‫في‬ ‫الحماية‬ WEP  ‫في‬ ‫الحماية‬ WPA/WPA2  ‫المنتصف‬ ‫في‬ ‫الرجل‬ ‫هجمات‬  - ‫الشرير‬ ‫التوأم‬ ‫هجوم‬  - Jasager
  • 3. WEP T H E W I R E D E Q U I V A L E N T P R I V A C Y ‫ال‬ ‫ضعف‬ IV IV ‫من‬ ‫متكون‬ ‫عشوائي‬ ‫رقم‬ ‫هو‬ 24 ‫سري‬ ‫مفتاح‬ ‫مع‬ ‫دمجه‬ ‫يتم‬ ‫خانة‬ key ‫لفك‬ ‫كمفتاح‬ ‫للعمل‬ ‫من‬ ‫المتنقلة‬ ‫الرزم‬ ‫تشفير‬ ‫الراواتر‬ ‫به‬ ‫المتصلة‬ ‫األجهزة‬ ‫الى‬ . ‫وجود‬ 24 ‫ال‬ ‫في‬ ‫خانة‬ IV ‫عدد‬ ‫فوات‬ ‫بعد‬ ‫مميز‬ ‫عشوائي‬ ‫رقم‬ ‫بتكوين‬ ‫يسمح‬ ‫ال‬ ( 16،777،216 ) IV ‫المميزة‬ ‫األرقام‬ ‫نفاذ‬ ‫بعد‬ ‫السري‬ ‫المفتاح‬ ‫تغير‬ ‫يتم‬ ‫الحديثة‬ ‫الحماية‬ ‫طرق‬ ‫في‬ ‫لل‬ ‫ال‬ IV ‫مستخدم‬ ‫رزمة‬ ‫راوتر‬
  • 5. WPA2 ‫للمؤسسات‬  ‫الممتد‬ ‫التوثيق‬ ‫خدمات‬ ‫يستعمل‬ EAP  ‫خوادم‬ ‫تقنية‬ ‫يستعمل‬ RADIUS Ok? Ok? Ok Ok
  • 6. WPA2 ‫للمنازل‬  ‫التشفير‬ ‫لفك‬ ‫مشترك‬ ‫مفتاح‬ ‫تستعمل‬  ‫الخدمات‬ ‫مجموعة‬ ‫على‬ ‫المتعرف‬ ‫رقم‬ ‫تستعمل‬ ( SSID ) ‫لجعل‬ ‫أكثر‬ ‫محمي‬ ‫التشفير‬ ‫فك‬ ‫مفتاح‬ SSID (passphrase) + Data = Hashed passphrase
  • 7. ‫الالسلكية‬ ‫المنتصف‬ ‫في‬ ‫الرجل‬ ‫هجمات‬  ‫الشرير‬ ‫التوأم‬  Jasager
  • 8. ‫الشرير‬ ‫التوأم‬ ‫ن‬ ‫استخدام‬ ‫طريق‬ ‫عن‬ ‫المستخدم‬ ‫بخداع‬ ‫تقوم‬ ‫وهمية‬ ‫شبكة‬ ‫فس‬ ‫األصلية‬ ‫الشبكة‬ ‫اسم‬ Airport Wi-fi ( ‫مخترق‬ ) Airport Wi-fi ( ‫األصلية‬ )
  • 9. JASAGER  ‫ا‬ ‫الشبكات‬ ‫كل‬ ‫ب‬ ‫االتصال‬ ‫بمحواله‬ ‫تقوم‬ ‫العادة‬ ‫في‬ ‫الذكية‬ ‫الهواتف‬ ،‫لمحيطة‬ ‫ا‬ ‫يقوم‬ ،‫الهاتف‬ ‫في‬ ‫سابقا‬ ‫مخزنة‬ ‫المحيطة‬ ‫الشبكات‬ ‫احد‬ ‫ان‬ ‫حالة‬ ‫في‬ ‫لهاتف‬ ‫اليا‬ ‫بها‬ ‫باالتصال‬ . ‫الراوت‬ ‫يقوم‬ ،‫قبل‬ ‫من‬ ‫بها‬ ‫متصل‬ ‫يكن‬ ‫لم‬ ‫وإذا‬ ‫بتجاهل‬ ‫ر‬ ‫الطلب‬  Jasager ‫الهوات‬ ‫من‬ ‫القادمة‬ ‫الطلبات‬ ‫كل‬ ‫على‬ ‫اليا‬ ‫بالموافقة‬ ‫تقوم‬ ‫ف‬ ‫قبل‬ ‫من‬ ‫بها‬ ‫تتصل‬ ‫لم‬ ‫لو‬ ‫حتى‬ ،‫الذكية‬ Jasager ‫عادية‬ ‫شبكة‬
  • 10. SSL STRIP  ‫المس‬ ‫يستطيع‬ ،‫االنترنت‬ ‫وخوادم‬ ‫المستخدم‬ ‫بين‬ ‫المخترق‬ ‫تدخل‬ ‫عملية‬ ‫بعد‬ ‫ارسال‬ ‫تخدم‬ ‫المستخدم‬ ‫الى‬ ‫البيانات‬ ‫من‬ ‫نوع‬ ‫أي‬  ‫المتصف‬ ‫على‬ ‫القفل‬ ‫عالمة‬ ‫بإظهار‬ ‫ليقوم‬ ‫المتصفح‬ ‫بتعديل‬ ‫المخترق‬ ‫يقوم‬ ‫لخداع‬ ‫ح‬ ‫مؤمن‬ ‫موقع‬ ‫على‬ ‫بانه‬ ‫وتوهيمه‬ ‫المستخدم‬