Israel-based Check Point Software said that it has acquired Avanan, a US-Israel-based cloud email security business. Avanan. Founded in 2015, Avanan specializes in protecting email, which is where most cyber-attacks originate. With businesses moving to the cloud, the acquisition represents huge potential, said Dorit Dor, Check Point’s Chief Product Officer. With over 5000 customers, Avanan protects 2.5M email accounts.