Taipei, June 14 -- Amid growing concerns over Chinese espionage and political infiltration, Taiwan's ruling Democratic Progressive Party (DPP) held a mandatory internal seminar at its headquarters to bolster party members' understanding of Chinese "united front" tactics and infiltration strategies, Taipei Times reported.

The party invited Foundation on Asia-Pacific Peace Studies executive director Tung Li-wen to deliver the first lecture in a new series aimed at strengthening political defences.

The session, titled "Be alert on Chinese infiltration and 'united front' tactics," analysed Beijing's espionage operations and long-term objectives toward Taiwan.

According to Tung, China utilises six primary "conduits" to carry out espionage i...