China drafts new data measures; technology stocks fall over 1%

China published new draft measures on Thursday aimed at bolstering its new data security law, including definitions of what it considered “core” and “important” data.

China implemented the Data Security Law on Sept 1. which requires all companies in China to classify the data they handle into several categories and governs how such data is stored and transferred to other parties. But lawyers have criticised its ambiguities including its lack of definitions for data. 

Thursday's draft measures describe in detail three categories of data — ordinary data, important data, and core data. The authorities describe ordinary data as data with