Online travel giant ibibo Group-owned ticketing platform RedBus suffered a cyber attack incident in October 2016 that exposed the email addresses of customers.
A server storing logs compromised, which contained some email addresses.
The company immediately launched investigation into the incident and asked customers to reset their passwords as a precaution.
Source: https://www.databreaches.net/redbus-confirms-hack-says-no-sign-of-user-passwords-being-stolen-yet/
"id": "RED1845622",
"linkid": "redbus_2",
"type": "Cyber Attack",
"date": "10/2016",
"severity": "25",
"impact": "1",
"explanation": "Attack without any consequences"