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© tsmc_title Business | August 06, 2018

TSMC details impact of computer virus incident

TSMC has provided an update on the company’s computer virus outbreak on the evening of August 3, which affected a number of computer systems and fab tools in Taiwan.
The degree of infection varied by fab. TSMC contained the problem and found a solution. As of 14:00 Taiwan time, about 80% of the company’s impacted tools have been recovered, and the Company expects full recovery on August 6.

TSMC expects the incident to cause shipment delays and additional costs

"We estimate the impact to third quarter revenue to be about three percent, and impact to gross margin to be about one percentage point. The Company is confident shipments delayed in third quarter will be recovered in the fourth quarter 2018, and maintains its forecast of high single-digit revenue growth for 2018 in U.S. dollars given on July 19, 2018," the update reads.

Most of TSMC’s customers have been notified of this event, and the company is working closely with customers on their wafer delivery schedule. The virus outbreak occurred due to misoperation during the software installation process for a new tool, which caused a virus to spread once the tool was connected to the company’s computer network. TSMC says that data integrity and confidential information was not compromised. The company also says that it has taken actions to close this security gap and further strengthen security measures.

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July 18 2018 5:55 pm V10.0.0-2