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Hit-and-run DDoS attacks causing havoc for businesses

(Image credit: Image Credit: Profit_Image / Shutterstock)

Ransomware attacks may be grabbing the headlines, but there’s more for businesses to worry about. According to a new report from cybersecurity firm Radware, so-called hit-and-run distributed denial of service (DDoS (opens in new tab)) attacks are causing havoc for businesses left and right.

Unlike traditional DDoS attacks, in which an attacker uses a botnet to send huge amounts of traffic to a server for as long as possible, hit-and-run attackers use repeated short bursts of high-volume attacks in order to avoid being deflected by anti-DDoS solutions.

These attacks are “particularly aggressive” in their attack size and frequency (the number of bursts per unit of time), the company claims, with one victim suffering multiple consistent 80Gbps bursts lasting two to three minutes and being repeated every four minutes.

While companies in finance, healthcare and technology industries were the ones to be attacked most frequently, the retail industry repelled the greatest volume.

On average, businesses are each blocking almost 5,000 malicious events per month. During Q2 2021, the average number of malicious events blocked rose by 30 percent, while volume grew by more than 40 percent year-on-year.

Sead Fadilpašić is a freelance tech writer and journalist with more than 17 years experience writing technology-focussed news, blogs, whitepapers, reviews, and ebooks. And his work has featured in online media outlets from all over the world, including Al Jazeera Balkans (where he was a Multimedia Journalist), Crypto News, TechRadar Pro, and IT Pro Portal, where he has written news and features for over five years. Sead's experience also includes writing for inbound marketing, where he creates technology-based content for clients from London to Singapore. Sead is a HubSpot-certified content creator.