數據保衛戰：面對勒索病毒威脅，中小企業如何建立不可摧毀的「數位長城」？

Name: John System
Address: Shop 33, 1/F, Sang Woo Building, 227-228 Gloucester Road, Wan Chai, Hong Kong Island, 000000, HK
Telephone: +85221159219
Price range: HK$660+