Deutsche Telekom suffered a cyber attack that was responsible for causing network problems for as many as 900,000 customers over the weekend.
The network breakdown followed an attack “by external parties”, with the result that some routers used to offer phone, Internet and online TV “can no longer register on the network”
Source: https://www.databreaches.net/deutsche-telekom-warns-cyber-attack-hit-up-to-900000-customers/
"id": "DEU2154311222",
"linkid": "telekom",
"type": "Cyber Attack",
"date": "11/2016",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization's existence"