NTT Docomo, certainly one of Japan’s main telecommunications and IT service suppliers, skilled an enormous disruption on January 2, 2025, after a Distributed Denial of Service (DDoS) assault focused its community infrastructure.
The assault resulted in widespread service irregularities affecting prospects for almost 11 hours, from 5:27 a.m. till 4:10 p.m.
Companies Impacted
The cyberattack induced vital delays and difficulties with a number of key providers, together with:
- Goo providers, Docomo’s widespread portal for web searches and content material.
- The OCN prime web page, a key interface for web connections.
- d Menu Information, a information aggregation service.
- Lemino’s search operate.
- d Pay’s procuring search operate.
- GOLF me, a golfing-related app.
Although the providers had been largely restored by the afternoon, restoration measures have prompted delays in updating content material, leaving some methods with restricted performance.
Clients have been suggested to examine every service’s respective web site for the newest updates.
Reason for the Assault
In keeping with an official assertion from NTT Docomo, the disruption was attributed to a DDoS assault, which flooded the corporate’s servers with an amazing quantity of automated visitors, resulting in community congestion.
A lot of these cyberattacks are designed to exhaust server assets and render providers inaccessible to customers.
Individually, Docomo’s dPayment system confronted intermittent disruptions between 10:50 a.m. and 11:08 a.m. on the identical day.
Nonetheless, the corporate clarified that this was unrelated to the DDoS assault and has since been resolved.
In a public apology, NTT Docomo acknowledged the frustration brought on by the extended service outage.
The corporate emphasised that guaranteeing service stability stays a prime precedence. “We deeply apologize to our prospects for the inconvenience induced,” the corporate mentioned in its assertion.
Whereas Docomo has successfully mitigated the rapid influence of the DDoS assault, the corporate has not disclosed particulars on the perpetrators or the size of the assault.
As restoration measures proceed, Docomo assured prospects that it’s working to strengthen its cybersecurity defenses to forestall comparable incidents sooner or later.
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