Taiwan sees cyber-attack, Chinese warplanes amid spat with China over expected Pelosi visit

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Taiwan on Tuesday was hit with a cyberattack and threatened by Chinese war planes flying near its boundary in the Taiwan Straight as tensions with Beijing have escalated ahead of an unconfirmed visit from Speaker of the House Nancy Pelosi.  

Taiwanese authorities confirmed Tuesday that the Office of the President’s website fell victim to an “overseas cyberattack” that caused the site to be down for 20 minutes, according to local reporters.  

The president’s office reportedly confirmed that Tuesday’s “attack traffic was 200 times that of a normal day.”

A J-15 fighter jet prepares to land on the Chinese navy’s Liaoning aircraft carrier during open-sea combat training, in a photo released Dec. 31, 2021. (Hu Shanmin/Xinhua via AP)

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The culprit behind the attack has not yet been revealed but came just hours before Chinese warplanes flew close to the unofficial dividing line that separates the Taiwan Strait between mainland China and Taiwan.

Chinese planes reportedly engaged in tactical moves and repeatedly “touched” the aerial boundaries before and circling back to the other side of the strait, first reported Reuters. 

Taiwanese aircraft waited on standby, the report said.

On Monday China also sent warships near the unofficial boundary one day ahead of Pelosi’s expected visit to Taiwan. 

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Chinese naval fleet passes through naval mine threat area during the China-Russia ‘Joint Sea-2021’ military drill near the Peter the Great Gulf on Oct. 15, 2021, in Russia. (Sun Zifa/China News Service via Getty Images)

The White House has said it will “not be intimidated” by China’s “saber-rattling” and has stood by Pelosi’s right to visit Taiwan. 

“China appears to be positioning itself to potentially take further steps in the coming days and, perhaps, over a longer time horizons,” National Security Council coordinator for strategic communications John Kirby said. “These potential steps from China could include military provocations such as firing missiles in the Taiwan Strait or around Taiwan.”

House Speaker Nancy Pelosi tours the parliament house in Kuala Lumpur, Tuesday, Aug. 2, 2022. (Malaysia’s Department of Information via AP)

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He said China may also look to “break historical norms” by entering Taiwan’s Air Defense Identification Zone, conducting naval activities “that cross the median line,” and more highly publicizing military exercises.

Pelosi, whose office has not confirmed whether she will be traveling to Taipei, is reportedly set to land in Taiwan Tuesday, according to local reports.

Caitlin McFall is a Fox News Digital reporter. You can reach her at caitlin.mcfall@fox.com or @ctlnmcfall on Twitter.