A1 Telekom, the largest internet service provider in Austria, experienced a security breach amid a malware infection.
The company suffered a malware infection in November 2019 but its security team detected the malware a month later, and removing the infection was more problematic than it initially anticipated.
Source: https://www.databreaches.net/hackers-breached-a1-telekom-austrias-largest-isp/
"id": "A1T2156311222",
"linkid": "a1-telekom-austria-group",
"type": "Breach",
"date": "11/2019",
"severity": "60",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"