Report and apology relating to cyber assault on our providers |

Dwango Co., Ltd.

Dwango Co., Ltd. introduced (Headquarters: Chuo-ku, Tokyo, President and CEO: Tsuyoshi Natsuno) on Niconico Information on June 8, 2024, will begin the “Niconico” service that the corporate has been working since early morning June eighth, 2024. It continues to be principally unavailable. It has been decided that this failure was attributable to a large-scale cyberattack involving ransomware, and we’re presently suspending using the service whereas we proceed to analyze and reply to know the complete extent of the injury and get better.

After confirming a cyber-attack, our firm instantly took pressing measures reminiscent of shutting down the associated servers, establishing a activity power, and making efforts to comprise the complete extent of the injury. discover, examine the trigger, and restore the system. Extra. We wish to report the findings of our investigation to date and our future actions as follows.

We sincerely apologize to all customers and associated events for the inconvenience and inconvenience we’ve precipitated.

Response historical past

Round 3:30 a.m. on June 8, an issue occurred that prevented the conventional use of all our internet providers, together with our providers “NicoNico” and “N Preparatory College.” We checked and located that round 8:00 a.m. on the identical day, a cyber assault involving ransomware was confirmed to have been attributable to an assault. On the identical day, we fashioned a activity power, and to forestall the injury from spreading, we instantly reduce communication between servers in information facilities offered by group firms, shut down the servers, and despatched Quickly cease serving our web site. providers. We additionally found that the assault had unfold to our inner community, so we shut down a few of our inner enterprise techniques and restricted entry to our inner community.
As of June 14, we’re confirming the injury scenario and creating restoration procedures with the purpose of a gradual restoration.

【June 8, 2024】
・We’ve began an investigation on account of an issue that made it unimaginable to totally use Niconico providers and a failure in a few of our inner techniques.
– He confirmed that encryption by ransomware was the reason for the failure. The usage of all NicoNico providers and a part of the interior enterprise system will probably be suspended and the server will probably be shut down.
・ Institution of a activity power
・The primary report “Concerning the scenario the place the Niconico service can’t be used” has been revealed.

【June 9, 2024】
・ Contact the police and discuss to particular exterior businesses
・ Kabukiza workplace closed
・ From KADOKAWA“In regards to the Failures of A number of KADOKAWA Group Web sites”Discover

【June 10, 2024】
・Report back to the Private Info Safety Committee (first report)
・ The second report “Concerning the scenario the place the Niconico service can’t be used” is revealed

【June 12, 2024】
・Report failure to Kanto Native Finance Bureau (Monetary Companies Company)

【June 14, 2024】
・ This announcement

The reason for the injury and the scope of the impact

Along with public cloud providers, Niconico makes use of a non-public cloud service constructed inside an information heart offered by the KADOKAWA group firm to which we belong. Amongst these, the info heart of a bunch firm was attacked by a cyber assault involving ransomware, leading to numerous digital machines being encrypted and rendered unusable. Because of this, the whole system of our internet providers, together with “Nico Nico”, was suspended.

This cyberattack by a 3rd get together was repeated even after it was detected, and even after the server within the non-public cloud was remotely shut down, it was noticed that the third get together restarted the server from distant location and making an attempt to unfold the illness. it was accomplished. So, we bodily unplugged and shut down the ability cables and communication cables of the server. Because of this, not all servers put in in information facilities offered by group firms can be utilized. As well as, to forestall additional infections, we’ve prevented our workers from coming to the Kabukiza workplace in precept, and our inner community and inner enterprise techniques have been canceled too.

The Nico Nico Douga system, posted video information, and video distribution system have been operated on the general public cloud, so there was no injury. Niconico Reside Broadcasting itself was run on a public cloud, so there was no injury, however the system that controls Niconico Reside Broadcasting’s video transmission was run on a bunch firm’s non-public cloud, so it was You possibly can’t use pictures which have modified with time.
We’re additionally investigating the standing of techniques aside from Niconico Douga and Niconico Reside Broadcasting.

■ Companies which were discontinued
・ Niconico household providers reminiscent of Niconico Douga, Niconico Reside Broadcasting, Niconico Channel, and so on.
・ Log in to a Nico Nico account with an exterior service
・Music monetization service
・ Dwango Ticket
・Store dwango jpSome includes a
・N Preparatory College * Restored for college students at N Excessive College and S Excessive College.
・ Sending items for varied initiatives

Info that could be launched

We’re presently investigating the data leak.
Though private data or bank card data has not been verified presently, we’ll proceed to analyze.

Outlook for restoration

“NicoNico” – a service that works with greater than lots of of techniques. Restoration requires checking the contents of the closed servers one after the other, saving full information, and utilizing the saved information to rebuild the Niconico Douga and Niconico Reside broadcast techniques in a protected surroundings. The precise time for restoration will depend upon the outcomes of the injury inspection, however it’s anticipated to take greater than a month, and we plan to renew providers in levels.

Future Actions

We’ll proceed to analyze the extent of the injury and the extent of the affect, in addition to investigating any data that will have been leaked.

■ About measures which have already been carried out
・ Cease utilizing affected gadgets and probably affected gadgets
・ Reset a number of accounts, strengthen inner community communication safety, and overview administration insurance policies

■ About compensation
Because of this system cancellation and repair suspension, we intend to offer compensation for the next: We’re presently discussing the main points of compensation. The interval lined by the month-to-month subscription service is June and July 2024.
・Month-to-month subscription price for prime members and paid members of Nico Nico Channel (together with Nico Nico Channel Plus)
・ Month-to-month membership price for N Preparatory College
・ Distribution of income to operators of Niconico Channel and Niconico Channel Plus
・Creator incentive pricedistribution of

■ About applications associated to Nico Nico
Till the top of July, official Niconico reside broadcast applications and channel reside broadcast applications utilizing Nico Nico Reside Broadcast and Nico Nico Channel will probably be suspended.

* Contemplating the necessity for preparation time for program manufacturing and the truth that Niconico Reside Broadcasting and Niconico Channel are month-to-month billing providers, we’ve determined to cease broadcasting reside applications on Niconico Reside Broadcasting till the top of July. Relying on this system, the published time could also be canceled or broadcast on different providers.
* The reopening date of Niconico providers, together with Niconico Reside Broadcasting and Niconico Channel, is presently unsure.
* Nico Nico Channel Plus lets you watch free content material with out logging in. Viewing and commenting on paid content material is just not out there.

■ In regards to the new model of “Nico Nico Douga (Re: Kari)” (pronunciation: Nico Nico Douga Rikari)
Though “Nico Nico” is stopped, as a primary step,“Nico Nico Douga (Re: kari)”The brand new model will probably be launched as a service on June 14, 2024 at 3:00 p.m. Our growth group created it in a brief interval of three days, and it’s a video group website with solely fundamental capabilities reminiscent of video viewing and commenting, identical to NicoNico’s first service (2006). In consideration of the service load, some movies chosen from these posted on Niconico Douga are proven. The lineup is generally made up of common movies from 2007, and you’ll watch them totally free with out an account.

* We’ll ship a separate press launch relating to “Niconico Douga (Re: Kari)”.

■ In regards to the “Nico Nico Manga” app.
We’ve already confirmed that many techniques haven’t been affected, and we’re contemplating restarting the service with a smaller model that enables fundamental actions reminiscent of studying comics, commenting, and including choices. We’re aiming for renewal by June 2024.

If new info come to mild sooner or later,Nico Nico Info、FormulaX、Company websiteWe’ll contact you every now and then. We admire your understanding and cooperation.

video message

・Apology and notification of a system failure within the KADOKAWA Group
Tsuyoshi Natsuno (Director, Chief Working Officer, President and CEO, KADOKAWA Co., Ltd.)

・Apology relating to the discontinuation of Nico Nico service and future plans
Hirotaka Kurita (Producer Nico Nico, Director Dwango COO)
Keiichi Suzuki (CTO, Niconico Service Headquarters)

Continuously Requested Questions on this difficulty

https://dwango.co.jp/information/5088891233107968/

《For press inquiries》
Dwango Co., Ltd. Public Relations Division: E-mail: [email protected]