The average data breach now costs companies more than $3.6 million, says David Wagner. Up to 65 percent of all received emails are spam, he says. Email inbox should draw important attention as the most vulnerable point of attack. Companies ready to get serious about cybersecurity and turn their focus to securing the inbox need to consider these tools and best practices for a comprehensive and easy-to-use email security strategy. Email encryption is a critical layer of protection in your security strategy, Wagner says.”]