One-trick pony phishing attacks are being used for compromising enterprise networks. One of the biggest initial vectors for getting the initial foothold remains email, but corporations gave up on securing email a long time ago. The recent hacks of government agencies showed that while there were email security settings, they were fairly open. In order to protect against spoofing attacks, they should lock down their email systems. There are several techniques being used to maintain the effectiveness of one-tr trick pony phish attacks.”]
Source: https://www.csoonline.com/article/3196215/risks-to-the-enterprise-from-the-one-trick-pony.html