# DDOS attacks decreased by 25% in Q4 2017: Verisign report | Tech News (HT Tech) > The most intense DDOS attack was a multi-vector attack which sent a flood of traffic to the targeted network for around an hour. # DDOS attacks decreased by 25% in Q4 2017: Verisign report ## The most intense DDOS attack was a multi-vector attack which sent a flood of traffic to the targeted network for around an hour. Aug 19 2022, 22:14 IST ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook.png) ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook-hover.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Share.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Shareclicked.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp-hover.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter-hover.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook-hover.png) ![Bookmark](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmark.png) ![Bookmarked](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmarked.png) ![The average DDOS peak attack size was 7.6 Gbps during Q4 2017.](https://images.hindustantimes.com/tech/rf/image_size_960x540/HT/p2/2018/03/27/Pictures/dangerous-displays-atmosphere-multiple-everywhere-government-infects_35168c32-31bc-11e8-8c5f-3c6cc031651e.jpg) The average DDOS peak attack size was 7.6 Gbps during Q4 2017. (Getty Images/iStockphoto) ![Author Photo](https://images.hindustantimes.com/tech/static/revamp/images/png/HTTech-new-circle-logo.png) ### By INDO ASIAN NEWS SERVICE There was a 25% decrease in the Distribution Denial of Service (DDoS) attacks in the fourth quarter of 2017 as compared to the third quarter, a new report said on Tuesday. Verisign, a global leader in domain names and internet security, found that the largest volumetric and highest intensity DDoS attack observed by Verisign in the fourth quarter of 2017 was a multi-vector attack that peaked at approximately 53 Gbps and over 5 Mpps. This attack sent a flood of traffic to the targeted network for about an hour, the company said in a statement. Also read click here. A DDoS is a type of Denial of Service (DoS) attack where multiple compromised systems, which are often infected with a Trojan, are used to target a single system. The average peak attack size was 7.6 Gbps, which is 850% increase compared to the third quarter but it is a 32% year-over-year decrease as compared to the fourth quarter 2016. Nearly, 40% of the total attacks were over 5Gbps, the report said. Verisign also observed that 25% of customers who experienced DDoS attacks in the fourth quarter 2017 were targeted multiple times during the quarter. 82% of DDoS attacks mitigated by Verisign in the fourth quarter employed multiple attack types. Verisign observed attacks targeting networks at multiple layers and attack types that changed over the course of a DDoS event. Catch all the Latest Tech News, Mobile News, Laptop News, Gaming news, Wearables News , How To News, also keep up with us on Whatsapp channel,Twitter, Facebook, Google News, and Instagram. 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