According to staff at Narejni (Orange) website, Ali Asghar Honarmand, Abbas Vahedi, Alireza Vaziri, Nasim Nikmehr, Malihe Nakhayi, Mohammad Hussein Mussazadeh and Sarah Sajadpour were arrested on Tuesday and taken to an unknown location by the Guard members.
Iranian opposition sources have said the arrests are part of a wider crackdown on individuals and organisations involved in cyber activities in Iran.
Nareji website has been a popular portal among many Iranian youths for its stories about the latest Western technologies and cultural trends news.
Last year the website was awarded the prize for best informative portal in Iran’s third annual Cyber Festival.
In recent weeks Iran’s security forces have arrested an unknown number of bloggers and website developers in an attempt to limit the public’s access to social networks.