An undersea internet cable near Taiwan was damaged, and a separate study found China has been testing a bigger navy presence on the Pacific side of the island, the route allies would use to send help in a crisis.
Taiwan's annual Han Kuang military exercises this year practiced coping with a severe internet outage, with apps like TikTok going dead, and included more realistic combat scenarios than in past years.
Taiwan says a hacking campaign linked to a foreign government hit its computer systems last month, and that the attackers used artificial intelligence tools to carry it out.
Beijing announced a joint naval exercise with Indonesia in waters east of Taiwan the same day it told the Pacific Islands Forum to "properly handle" Taiwan's presence at its Palau summit — squeezing Taipei on two fronts.
As Typhoon Dolphin approached, China ordered ships to follow its traffic controls in the Taiwan Strait, the narrow sea passage between China and Taiwan.
Taiwan's president, William Lai, took part in a night-time drill practicing how leaders would be evacuated if China attacked, during the island's largest-ever military exercise.
Taiwan began its largest annual military exercise, called Han Kuang, on Wednesday, testing how well its armed forces could respond to a potential attack by China.
Current and former US officials tell Reuters the Pentagon has used almost its entire stock of long-range precision-guided missiles fighting Iran, raising questions about what would be left for a separate crisis with Russia or China.
CFR's survey of foreign-policy experts puts the odds of coherent global AI governance at a median 29 out of 100. Meanwhile nation-state hackers are already folding generative models into every stage of the intrusion lifecycle, and Taiwan is racing to build an AI defense it cannot yet fund. Three threads, one convergence.
Four separate studies published this month found China pulling ahead of the United States in several areas at once: global opinion polls now favor China over the US in most countries, China's trade surplus keeps growing, its biotech industry is running drug trials faster and cheaper, and its military has added disinformation and fake videos to its war plans for Taiwan (a self-governing island China claims).
Typhoon Bavi made full landfall in China's Zhejiang province late Saturday after brushing Taiwan and southern Japan, with more than 1.7 million people evacuated. In Taipei, commentary has sharpened on Beijing's parallel use of legal and political pressure against pro-Taiwan speech during the disruption.
As Typhoon Bavi forced thousands into shelters across Taiwan and Japan's southern islands, Taipei detected a Chinese naval vessel and official ship near its territory — coinciding with a new Chinese law that criminalizes pro-Taiwan speech among ethnic minorities.