While the attack was limited to email address and ICC-ID data, we encourage you to be alert to scams that could attempt to use this information to obtain other data or send you unwanted email.
In December 2010, CNET reported that email service provider Silverpop was the victim of a similar attack where millions of consumer records were compromised.
They have not been able to establish how exactly the hackers broke into the system, but believe it may have been through a so-called spear-phishing attack, where an employee clicked on an email or link containing malicious code.
This action follows a February attempt to exploit my name and my book as part of a spear phishing attack launched at .mil and .gov email accounts (see here and here), but this is not a new focus area for me or for my GreyLogic colleagues.
But in response to what is believed to be a phishing-style attack - where fraudsters attempt to obtain information such as by email - the company has been directly calling some of its customers.
The accused allegedly sent an email a day after the McLellands' bodies were discovered, suggesting there would be another attack unless officials responded to various demands.