News

DDoS attack detection and prevention

• October 28, 2016 28 Oct'16

  Risk & Repeat: DNS DDoS attacks raise concerns over IoT devices

  In this Risk & Repeat podcast, SearchSecurity editors discuss the DDoS DNS attacks on Dyn and what they mean for DNS providers, IoT device manufacturers and enterprises.

• October 26, 2016 26 Oct'16

  Clapper, Flashpoint: Dyn DNS DDoS attacker likely not a state actor

  As the dust settles around the Dyn DNS DDoS attack, the perpetrator is most likely not a state actor, according to the director of national intelligence and Flashpoint.

• October 24, 2016 24 Oct'16

  Questions still loom after Dyn DNS DDoS disrupts internet access

  Users and companies suffer after Dyn DNS DDoS attacks disrupt access to top sites; links to the Mirai botnet raise more questions, as Dyn mops up.

• October 21, 2016 21 Oct'16

  Dyn hit by massive DNS DDoS, Eastern U.S. bears brunt of attacks

  At least two DNS DDoS attacks on Dyn are disrupting access to many popular websites, users and companies on the Eastern U.S. are impacted.

• September 26, 2016 26 Sep'16

  Powerful DDoS attacks leveraging IoT devices hit several companies

  A series of potent, record-setting DDoS attacks hit several targets last week and apparently used IoT malware to infect and leverage a large number of internet connect devices.

• August 09, 2016 09 Aug'16

  More DDoS DNS amplification attacks use SSDP than NTP

  Black Hat: New research finds DDoS DNS amplification attacks are more likely to use SSDP than NTP and DDoS attacks may generally be smaller than reported.

• July 22, 2016 22 Jul'16

  DNS DDoS attack shuts down Library of Congress websites for three days

  A DNS DDoS attack hit the Library of Congress, disrupting various Library services and websites for three days before IT staff was able to restore normal functionality.

• May 22, 2015 22 May'15

  2015 DDoS attacks on the rise, attackers shift tactics

  News roundup: New research highlights the changing nature of DDoS attack frequency and methodology. Plus: New malware strains double in second half of 2014; two new address bar spoofing vulnerabilities.

• April 02, 2015 02 Apr'15

  Massive GitHub DDoS attack tied to Chinese government

  Security experts say the largest DDoS attack in GitHub history, which lasted five days, was the work of the Chinese government.

• January 29, 2015 29 Jan'15

  The politics of DDoS response

  Reports of a 'hack back' DDoS attack by Sony stirred up acceptable use questions.

• November 21, 2014 21 Nov'14

  SSDP DDoS attacks driving up average DDoS sizes

  New research shows that average DDoS attacks are growing larger and more prevalent as attackers have moved to exploit SSDP, the latest protocol to be abused for its amplification factor.

• June 25, 2014 25 Jun'14

  Enterprises fix NTP amplification, but many DDoS techniques remain

  NTP amplification had led to several recent massive DDoS attacks. Despite the good news, researchers say many other DDoS techniques remain unfixed.

• April 29, 2014 29 Apr'14

  DDoS trends: Attackers vary DDoS size to cloak other attacks

  A new report indicated malicious actors are hiding behind DDoS attacks, successfully installing malware and stealing sensitive data undetected.

• April 03, 2014 03 Apr'14

  NTP-based DDoS attacks on the rise, but SYN floods still more perilous

  NTP-based DDoS attacks are increasing, but a report warns that SYN floods are still more likely to cause enterprises damage.

• February 12, 2014 12 Feb'14

  Vendor reports largest-ever NTP reflection-driven DDoS attack

  CloudFlare says a huge new DDoS attack targeting NTP hit speeds of nearly 400 Gbps. The company's CEO warns more such attacks are imminent.