Clarkson acknowledged that some of the stolen data might be made public, it hasn't released any additional information because of the continuing law enforcement probe.
According to the material that the company has released, cybercriminals have blackmailed it, demanding a ransom to prevent the company's data from being leaked online.
Clarkson claims that in order to get into the systems of the massive shipping company, the hackers managed to breach one user account.
The affected consumers and people have been notified by the company, which has disabled the account following the occurrence.
Source: https://securityaffairs.com/66172/cyber-crime/clarkson-security-breach.html
"id": "CLA150181223",
"linkid": "clarksons",
"type": "Breach",
"date": "11/2017",
"severity": "60",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"