I received an email pretending to be from my hoster Strato (known as Cronon AG) telling me that my domain I have for my IT Consulting business has been suspended because of complains they received.
This kind of email is called “Spear Phishing”: it targets only certain users that have a proven connection to the attacked brand or company. In this case, I am clearly a customer of Cronon AG because the WHO IS information shows this. (see below)
To read the original article : http://improve-your-security.org/how-to-recognize-a-targeted-malwarephishing-attack/