DDoS attacks could soon be bigger and more dangerous than ever

Date:
Tue, 08 Mar 2022 11:06:45 +0000

Description:
Experts say this years biggest DDoS attack could be tens of thousands of
times bigger than those recorded so far.

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Threat actors have finally started using a Distributed Denial of Service ( DDoS ) method that has the potential to be hundreds of times stronger than
the strongest recorded attacks.

Cybersecurity researchers from Akamai recently published a report in which they detailed discovering a DDoS attack that abuses middleboxes, reaching 11Gbps and 1.5 million packets per second.

We say finally, because this type of attack was first theorized almost a year ago by security researchers at the University of Maryland and the University of Colorado at Boulder. Hundreds of thousands of misconfigured servers

The researchers paper noted there is an entire swarm of misconfigured servers out there, counting more than 100,000 endpoints , that could be abused to amplify the data threat actors use in their DDoS attacks.

These servers, also known as middleboxes, are usually deployed by nation-states and used to censor unwanted content, block pirated content, porn, or gambling sites.

The misconfiguration part lies in the fact that these servers dont follow transmission control protocol specifications that demand a three-way
handshake before establishing a connection.

Akamai says threat actors are already targeting sites in the banking, travel, gaming, media, and web-hosting industries. Read more

DDOS attacks: how to prevent and protect your business against them

DDoS attacks soared to new highs in 2021

The average DDoS attack only lasts a few minutes

Amplification works by spoofing the targets IP address, and bouncing relatively small amounts of data at a misconfigured server used for resolving domain names, syncing computer clocks, or speeding up database caching.

When the server responds, it sends up to hundreds of times bigger data packets, easily overwhelming the spoofed target. According to the
researchers, the amplification factor ranges from 54 times, to an astonishing 51,000 times.

Discussing Akamais findings with ArsTechnica , Kevin Bock, the lead
researcher behind the research paper published by the University of Maryland and the University of Colorado at Boulder, said he wasnt surprised.

We expected that it was only a matter of time until these attacks were being carried out in the wild because they are easy and highly effective. Perhaps worst of all, the attacks are new; as a result, many operators do not yet
have defenses in place, which makes it that much more enticing to attackers. Heres our rundown of the best firewalls right now

Via: ArsTechnica



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Link to news story: https://www.techradar.com/news/ddos-attacks-could-soon-be-bigger-and-more-dang erous-than-ever/


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