We have seen an increase in SQLi attacks in the last few days, how WEDOS Global Protection can help us with this

Thanks to central log monitoring, we keep a detailed track of all traffic that goes to our customers’ websites for LowCost, NoLimit, WebSite and WMS services. We can find those under attack very quickly and hide them behind WEDOS Global Protection (if they use our DNS). Most of them are L7 attacks with a large number of requests (someone is simply calling your site with tens to hundreds of thousands of requests per minute). However, the number of SQLi attacks has been increasing in recent days.

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Strongest DDoS attack of 2022 rewrites last year’s record

In recent weeks, cyberspace has been a war zone. Of course, not everything is Russia’s fault. The current chaos is also being exploited by a number of organized groups, so we are seeing more phishing, application layer attacks with extortion, and traditional DDoS attacks. But let’s not forget that Russia demonstrated its new HermeticWiper data-erasing malware early in the war. It quickly spread beyond Ukraine. It can affect you too. So our challenge still stands – back up your data to yourself wherever you have it!

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WEDOS stands for Ukraine!

At the very beginning of Russia’s war with Ukraine, we officially and publicly condemned this invasion of Ukraine by Russian armed forces. Instead of a video from our server room, we put a big flying Ukrainian flag on our website. This flag was also put on our Russian website wedos.ru. We have issued statements in Ukrainian colours on various subpages, we have prepared an article Ongoing cyber war may affect you too, get ready for it! and sent it to all our customers by email. We couldn’t stand by and each of us wanted to do something. At least help in some way and show your disapproval.

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February night DDoS attacks exceeded 133 Gbps, peaked at 300 Gbps

On the night of 18.02.2022 to 19.02.2022, we experienced the strongest DDoS attacks on our infrastructure since April 2021, when we were hit by probably the strongest attacks in the history of the Czech Internet. Back then, for a brief moment, it managed to clog three 100 Gbps routes. This time it wasn’t so much about power but length, and apart from a few customers, no one noticed the attacks.

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Two more examples of application layer attacks on our customers

Last month, we showed you in the article “DDoS extortion cases on the application layer are starting to appear ” how the extortion and subsequent DDoS attack on a customer’s website takes place. We know that these cases are gradually increasing, but the pace is accelerating unpleasantly. In addition, we can see from the analysis of logs that attackers are trying to mask their attacks better, trying new methods and looking for the limits of protection.

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Cases of application layer DDoS extortion are beginning to emerge

Extortion by DDoS attack is nothing new. Large botnets can carry out a fairly powerful attack nowadays, which can easily clog several 100 Gbps routes(we have already seen this happen). Fortunately, they are relatively rare because they are expensive. Medium attacks (above 10 Gbps) are encountered more frequently (even several times a month). And smaller ones (under 10 Gbps) are almost a daily occurrence. However, this classical kind of brute force attack (in terms of data volume or packet count) is relatively well detected and filtered. It is worse with application layer attacks, such as those that try to pass themselves off as normal traffic.

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How the strongest DDoS attack in the Czech Republic took place

Since the early morning hours of Monday 05.04.2021, our website and our infrastructure have been the target of very strong DDoS attacks, so strong that it is probably the strongest DDoS attack in the Czech Republic to date. We have prepared technical background and charts for this attack. This is just to let you know what can commonly happen on the Czech Internet.

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How we “slept through” the most powerful DDoS attack ever launched against us and nobody noticed

Just a week ago, I bragged on social media how we were hit by another major DDoS attack after a long time (traffic was up to 32 Gbps with 5-minute averages). Well, we almost missed the record holder. Or rather, they overslept because we didn’t even notice.

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