Canadian Security Intelligence Service website was targeted in a denial-of-service (DoS) attack that resulted in the website going down temporarily.
Although no information was breached in the incident the CSIS took additional preventive measures.
Source: https://www.itgovernanceusa.com/blog/canadian-security-intelligence-service-website-taken-offline
"id": "CAN195026422",
"linkid": "canadian-security-intelligence-service-service",
"type": "Cyber Attack",
"date": "07/2015",
"severity": "100",
"impact": "2",
"explanation": "Attack limited on finance or reputation"