Last ICS-CERT MONITOR report reveals that hackers had access to the systems of an unnamed manufacturing organization for several months. The attackers compromised the network of the organization and a large number of hosts were compromised. The organization hit by the hackers has a large surface of attack, the experts discovered more than 100 entry and exit points connected to the Internet, a scenario not unusual for critical infrastructure. The report also includes paragraph on Method of Exfiltration which specifically refers the Havex RAT, which has been used in the last months in cyber espionage campaigns.”]
Source: https://securityaffairs.co/wordpress/29210/security/ics-cert-report-may-aug-14.html