Ph. D prepared by : mohammad nassar

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• Arab Academy for Banking &Financial Sciences

• Faculty of Information Systems & Technology - Department of CIS

• Information System Security
• Ph.D

• Prepared by : mohammad nassar

• Prepared To: Dr. lo’ai tawalbeh

• Denial of Service Attack (DoS)

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• Learning Objectives

• TYPES OF ATTACKS.
• Definitions of DoS and DDoS attacks .
• Costs of DoS attacks for victim organizations.
• Classification of DoS attacks.
• Strategic Firewall Placement.
• Default Deny.
• Detecting DDoS Attacks by Monitoring the Source IP addresses.
• Example.
• Conclusion.

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• TYPES OF ATTACKS

• Nontechnical attack

• Technical attack

• Denial-of-service
• attack

• Malicious code

• Sniffing

• Spoofing

• Virus

• Worm

• Trojan horse

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• • DoS (Xizmatni rad etish) hujumi oldini olishga qaratilgan
• qonuniy foydalanuvchilar, tizim resursiga ruxsat berilgan kirish . Buzg'unchi maqsadli kompyuterga uning resurslarini ortiqcha yuklash maqsadida ma'lumotlar paketlarini yuborish uchun maxsus dasturiy ta'minotdan foydalanadi.
• • DDoS (tarqatilgan xizmat ko'rsatishni rad etish hujumlari)
• Xizmatni rad etish hujumi, bunda tajovuzkor Internetdagi iloji boricha ko'proq kompyuterlarga ma'muriy ruxsatga ega bo'ladi va maqsadli kompyuterga ko'plab ma'lumotlar paketlarini yuborish uchun bir nechta kompyuterlardan foydalanadi.

• DoS and DDoS attacks xususiyatlari

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• Distributed Denial-of-service (DDoS) attack