The official website of vBulletin.com forum software suffered a data breach incident by hackers that exposed the IDs of hundreds of thousands of users.
A hacker claimed they had made off with a combined 480,000 records after an attack that led to the defacement of the vBulletin.com.
The attacker accessed customer IDs and encrypted passwords on our systems.
vBulletin.com was taken down for maintenance of the immediate aftermath of the attack, which took place.
Source: https://www.theregister.com/2015/11/03/vbulletin_forum_software_hacked_defaced/
"id": "VBU193731222",
"linkid": "vbulletin-solutions-inc.",
"type": "Data Leak",
"date": "11/2015",
"severity": "85",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"