Denial of Service (DoS) and DDoS Attacks
📘 Cyber Security & Ethical Hacking
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📅 Nov 05, 2025
⏱ Estimated reading time: 1 min
DoS / DDoS attacks are attempts to make a system, website, or network unavailable by overwhelming it with traffic or requests.
Key Points:
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DoS: Single source floods the target
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DDoS: Multiple compromised systems attack together
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Goal: Disrupt normal service, crash servers, or slow down response
Common Methods:
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Flooding with excessive traffic (HTTP, ICMP, UDP)
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Exploiting server vulnerabilities
Prevention:
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Firewalls and intrusion detection systems
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Rate limiting & traffic filtering
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Anti-DDoS services (Cloudflare, AWS Shield)
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Network redundancy and load balancing
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