Today I will discuss:1. WHAT IS A DDOS ATTACK?2. How To Mitigate DDoS Attacks?Gateway ⛩ to become Skilled-Cybersecurity Professional 🕴🕴🕴 https://luminisindia.com/goehm--📌📌📌WHAT IS A DDOS ATTACK?A DoS Attack (Denial Of Service) is basically a malicious attempted made by threat-actors to attack the 'Availability' of a targeted system, to its legitimate end-users. These targeted systems can be a website or a web-based application. In this attacks, hackers typically generate a large volume of data-packets or requests with the intention of overwhelming the targeted system.A DDoS attack is very much similar to DoS attack, except that attackers uses multiple compromised or controlled sources to generate the huge volumes of these requests or data-packets.DDoS attackers accomplish this by coordinating an army of compromised machines, or 'bots'. These botnets may carry out DDoS attacks with a range of malicious techniques such as:• Exhausting your bandwidth with massive volumes of traffic• Filling up your system resources with half-open connection requests• Crashing web application servers with voluminous requests for random informationA METHOD TO THE MADNESSIn general, DDoS attacks can be segregated by which layer of the OSI model they attack. They are most common at the Network (Layer 3), Transport (Layer 4), Presentation (Layer 6) and Application (Layer 7) Layers. For example,✅ UDP reflection attacks target the Network (Layer 3)✅ SYN floods target the Transport (Layer 4)✅ SSL abuse targets the Presentation (Layer 6)✅ HTTP floods, DNS query floods target the Application (Layer 7) It is the practice of either blocking or absorbing malicious spikes in network traffic and application usage caused by DDoS attacks, while still allowing legitimate traffic to flow uninterrupted._
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