How much investment can a foreigner make in the IT sector?

People falling into the following categories cannot possess more than 49% of total issued shares of the key communications companies:

– Foreign nationals or foreign governments;
– A company of which a foreign national or government is in possession of more than
15% of the total issued stocks and is the major stockholder.
A foreign national cannot become the majority shareholder of Korea Telecom.
– However, it is only possible when possessing less than 5% of shares.