"LiveJournal" has undergone a DDoS attack

This afternoon the livejournal.com service has undergone the strongest DDoS attack in the history of the service. News sites quickly trumpeted this topic, but the specifics indicated a little. There is also a video version .

LiveJournal itself on the livejournal.com domain now does not open at all (connection timeout occurs). Livejournal.ru opens, but even authorization on the service does not work.

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At 16.00, the head of the Russian LiveJournal Svetlana Ivannikova addressed the site users, explaining that the portal was attacked by hackers: “At the moment, LiveJournal does not work correctly, we confirm this information. This is due to the fact that LJ is subjected to a DDoS attack, but we cannot name its source, like the addressee. The administrators of LiveJournal are up to date and are already working on fixing the problem. ”

Information about this event is also present on LJ itself, but no details are disclosed.

Just a good continuation of the news came out: " DDoS attacks will be introduced into the Criminal Code (Articles 272-274) ."

UPD. 22:34 Moscow time. Pages LJ began to open.

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Interestingly, when it was impossible to open the LiveJournal page in the browser, LiveJournal input servers were available. During the attack, ping in their direction was normal, at about 300 milliseconds.

According to the technical director of the Hosting Community group of companies, Pavel Vasilyev, in order to disable a resource such as LiveJournal, an attack of several GB / s or several million hits per second is necessary. According to him, an attack with a capacity of "several dozen GB will not be able to withstand any resource."

According to a rough estimate of Group-IB, a botnet of 100 thousand machines could be used to attack LiveJournal. The total width of the channel from the attackers was not less than 20 Mbit / s, and the cost of the customer of such an event was about $ 2 thousand per day, according to the company.

UPD 2. April 4 - the situation is repeated . Selection of Yandex .

The blog hosting hosting of LiveJournal on April 4 ceased to function due to another DDoS-attack, the press service of the SUP company reports. The head of LiveJournal Russia Svetlana Ivannikova confirmed that the attack was caused by a hacker attack.