![\"Prevent](\"https:\/\/www.codetwo.com\/admins-blog\/wp-content\/uploads\/2017\/06\/2017-06-22-Prevent_Spoofing_Blog_Image.jpg\")
<\/p>\nEnsuring email security might be one of the most important and most difficult tasks an administrator must face. Every day, servers process thousands of emails and controlling such a big mail flow is not easy. No wonder hackers focus on this channel when they plan attacks. They use various tricks to make users think that opening a suspicious attachment is a good idea.<\/p>\n
One of the tricks they use is email spoofing.<\/p>\n
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Email spoofing is a very popular attack method. The sender modifies message headers so that emails appear as sent from someone else. Hackers use it, for example, to impersonate employees of a company to obtain login credentials, personal data, or other confidential information. Two most common ways to protect your organization from external spoofing attacks are:<\/p>\n
Both ways give good results when fighting with external spoofing. The problem starts when we come across internal spoofing when one employee tries to impersonate a colleague. It might be a joke, or to achieve some benefits \u2013 either way, it can sabotage a company in a number of ways:<\/p>\n