Spear phishing is the new kid on the block which has been giving sleepless nights to email security folks. Spear Phishing is a specialized and more targeted type of phishing attack.
The Rediffmail Pro integrated Spear Guard filter can solve this problem.
It uses the following to identify and block Spear Phishing attacks even in their initial stages and also saves you from the inconvenience of dealing with multiple vendors to protect your email infrastructure.: