Japanese telecommunication providers supplier NTT Communications Company (NTT) is warning virtually 18,000 company prospects that their data was compromised throughout a cybersecurity incident.
The data breach was found in early February 2025, however the actual date when the hackers gained preliminary entry to NTT’s techniques hasn’t been decided.
“NTT Communications Company found on February 5 that our services had been subjected to unauthorized entry,” reads the announcement.
“On February 6, we confirmed that some data might need been leaked externally.”
Particularly, NTT says hackers breached its ‘Order Info Distribution System,’ which held particulars on 17,891 company prospects (firms), however no information on private prospects (shoppers).
The sorts of information which will have been stolen by hackers consists of:
- Buyer title (registered contract title)
- Buyer consultant’s title
- Contract quantity
- Cellphone quantity
- E-mail handle
- Bodily handle
- Service utilization data
NTT says contracts for company smartphones and cellphones supplied straight by NTT Docomo weren’t affected by this incident.
The corporate found the breach on February 5 and blocked the risk actor’s entry to the breached system by the subsequent day.
Nonetheless, its investigation revealed on February 15 that the attackers had pivoted to a different system on NTT’s community. This system was promptly disconnected to forestall additional lateral motion, and the agency is now assured that the risk has been absolutely contained.
NTT has made it clear that it’ll not ship customized notifications to impacted prospects, so the general public announcement on its web site will stay the only real discover.
Supply: NTT
NTT’s cybersecurity troubles
Being a big telecommunications service supplier in Japan, NTT usually turns into a goal of cybercriminals trying to disrupt its operations or steal priceless information from its networks.
On January 2, 2025, the corporate suffered an enormous 12-hour service disruption on its cell providers and cost platforms, attributed to a distributed denial of service (DDoS) assault.
In Might 2020, the corporate suffered one other data breach the place hackers gained entry to its inside community once more, stealing the data of lots of of shoppers.
