Many Companies Unprepared for DNS Attacks: Survey

itman · Oct 3, 2017

Many companies are not prepared to deal with DNS attacks, and a quarter of the ones that have already been hit reported significant losses, according to a survey conducted by Dimensional Research on behalf of network security firm Infoblox.

Attacks on Domain Name System (DNS) services can have serious consequences, as demonstrated by the attack on Dyn last year. The attack, powered by the Mirai botnet, led to service disruptions for several major websites, including Twitter, GitHub, Etsy, Soundcloud, PagerDuty, Spotify and Airbnb.

The study from Dimensional Research and Infoblox, based on a survey of over 1,000 IT and security professionals worldwide, revealed that 3 out of 10 companies have already experienced DNS attacks and in most cases it resulted in downtime.

While more than half of the attacks resulted in a downtime of less than one hour, in 6% of cases the downtime lasted for between 8 and 24 hours, and some victims even reported service disruptions that lasted more than one day.

As for the financial losses caused by DNS attacks, 3% of respondents said they had lost more than $1 million, and nearly a quarter reported losses exceeding $100,000.
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http://www.securityweek.com/many-companies-unprepared-dns-attacks-survey

Minimalist · Oct 11, 2018

In the two years since Dyn went dark, what have we learned? Not much, it appears

The majority (72 per cent) of FTSE 100 firms are vulnerable to DNS attacks, nearly two years after the major Dyn outage.

A similar three in five of the top 50 companies listed in the Fortune 500 are also ill-prepared for an attack similar to the Mirai botnet-powered assault against Dyn that left much of the web unreachable in late October 2016. A large minority (44 per cent) of the top 25 SaaS providers are also vulnerable, according to stats from a DNS Infrastructure Performance Report by security firm ThousandEyes published Wednesday.
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https://www.theregister.co.uk/2018/10/11/dns_insecurity_survey/

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