An international cybercriminals gang had accessed Citrix servers for about six months.
The hackers were able to steal business documents, names, social security numbers, and financial information.
The company notified all the impacted customers and secured their servers from any such future attack.
Source: https://securityaffairs.co/wordpress/category/data-breach/page/48
"id": "CIT11910222",
"linkid": "citrix",
"type": "Cyber Attack",
"date": "05/2019",
"severity": "80",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"