LockBit Claims 5TB Data Theft in Ransomware Attack on Foxsemicon

Foxsemicon Integrated Technology Inc. (FITI), a Taiwanese semiconductor parts manufacturer affiliated with Hon Hai Technology Group, said it was hit by a ransomware attack that defaced its website and displayed a threat to leak allegedly stolen data. The attackers, identified in reporting as the LockBit ransomware gang, claimed they had stolen and encrypted 5TB of company data, including customer and employee personal information, and warned they would publish it on a darknet leak site if a ransom was not paid.

Foxsemicon told the Taiwan Stock Exchange it restored its website the same day it detected the incident, brought in security experts, and did not expect a significant impact on operations. The company did not disclose any ransom demand and had not confirmed whether customer or employee data was actually exfiltrated, while parts of its website reportedly remained inaccessible and search results continued to show the attackers' message. The incident stood out because website defacement is considered unusual for LockBit, which more commonly pressures victims through its extortion portal.