Posts by Red Button

Direct to Origin DDoS Attack (D2O)

DDoS mitigation often uses an architecture in which a CDN or large reverse proxies are placed in front of the web services as a protection layer. However, sophisticated attackers will attempt to reveal the origin network or IP address and attack directly, making the mitigation layer completely useless. This attack is called ‘Direct-to-Origin’ or in…

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DNS Query Flood

DNS Query Flood is a type of DDoS attack that belongs to the application attacks family. During the attack, the attacker sends a succession of UDP packets to a DNS server in attempt to exhaust server-side assets such as CPU or memory. By that. the attack prevent the server from direct legitimate requests to zone resources. Not like…

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DNS Reflected Amplification Flood

DNS Reflected Amplification Flood is a type of DDoS attack that belongs to the application attacks family. During the attack, the attacker exploites a vulnerability in publically-accessible domain name systems (DNS) to flood the target with large number of UDP packets. This attack has two main features: Amplification: Using those DNS servers and various amplification techniques the attacker can…

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HTTP Flood

HTTP Flood is a type of DDoS attack that belongs to the application attacks family. During the attack, the attacker sends an HTTP GET or POST requests to an application or a web server. The requests sent seems legitimate containing a valide header and entire message correct and complete. However, the message body sent in an…

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UDP Flood

Family Network Attacks Attack Vector UDP Flood Variants Reflective Amplified FloodsDNS Garbage FloodUDP Port 80 Garbage Flood DRS ID 22003 Supports spoofing Yes Capture file example Description A UDP Flood is a network DDoS attack involving the sending of numerous UDP packets toward the victim. This attack can arrive from a spoofed source IP address;…

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SYN Flood

Family Network Attacks Attack Vector SYN Flood Variants Tsunami SYN Flood DRS ID 11001 Supports spoofing Yes Capture file example Description TCP SYN Flood is a network DDoS attack comprising numerous TCP SYN packets that are sent to the victim. It is one of the oldest attacks in DDoS history, yet is still very common…

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DDoS Timeline

DateEvent Sep 8thVDOS proprietors arrestSet 13thKerbs on Security website attack by a 620 Gbps DDoS attackOctober 7~Mirai botnet code released October 21st Dyn DDoS Attack ARE YOU READY ? Answer seven online questions and get a free report assessing your protection status with recommendations for improvement Free DDoS Assesment

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Dyn (DynDNS) DDoS Attack- Hebrew

  “כנראה התקפת הDDOS המורגשת ביותר עד כה”  תקציר ביום שישי ה21/10/2016, מיליוני משתמשים בצפון אמריקה וברחבי העולם חוו בעיות תקשורת עם אתרים בולטים כגון: Twitter ,Paypal ,Spotify ,AWS ועוד רבים אחרים. זאת בעקבות התקפה גדולה על שרת Dyn הנמנה בין שרתי הDNS המוכרים והמשמעותיים בתעשייה. על פי DYN ההתקפה התקיימה בין השעות 11:00-17:00. DYN, הידוע גם…

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Dyn (DynDNS) DDoS Attack

  “Probably the DDoS attack that was noticed and affected the largest number of people ever.” Executive Summary On Friday, October 21st, millions of users in North America and across the world experienced connectivity issues with many prominent sites, like Twitter, PayPal, Spotify, AWS and more. This was due to a very large attack that…

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