In a blog post on October 10, Google revealed that its cloud service had prevented a series of DDoS attacks seven times the scale of the record blocked last year. The company also warned that these attacks could cause widespread disruption.
A man types on a computer keyboard with a screen displaying lines of code. Photo: Reuters
Intermediate DNS service company Cloudflare also confirmed that there were many DDoS waves occurring, one of which was “three times larger than before”. Amazon.com’s web services department also said the frequency of large-scale DDoS incidents is at an alarming rate.
According to Google, Amazon and Cloudflare, the wave of DDoS attacks recorded from the end of August until now, mainly takes advantage of weaknesses in HTTP/2 – the new version of the HTTP network protocol – making servers vulnerable. before millions of queries per second. No organization or individual has claimed responsibility.
DDoS is a form of denial of service attack that sends a large number of requests to the target system, causing the system to become overloaded and possibly paralyzed. This attack was born a long time ago, but is still a popular form used by cybercriminals because it is easy to deploy and difficult to leave traces.
Last year, Google recorded the largest denial of service attack in history lasting 69 minutes, with a peak of 46 million requests per second – the highest number to date. This year, Google did not state specific numbers, but emphasized that the person behind “generated more queries than the total number of article views reported by Wikipedia in the entire month of September”. Wikipedia is currently one of the 10 most visited websites in the world, attracting 4.8 billion views per month according to SimilarWeb’s 2022 data.
Bao Lam (according to Reuters )
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