On this page you can read about the importance of NAT: your business name, address, and telephone number; must you display it, why you should anyway, plus tips on how to use it for SEO and protect it from spammers.
Another email spam example, this time from Fedex. Here the hacker tempts you to visit a web page that look like part of the Fedex website.
How to look out for emails that look genuine but are actually suspicious, and what to do when you find one.
A website attacked by malware, how it happens, and what to do about it.