Formosa Petrochemical, Wistron and UMC say websites hit by denial-of-service on Oct 4 have resumed

According to iThome, following a wave of DDoS attacks against multiple listed companies and government agencies in Taiwan since early September, another wave of attacks occurred during the first weekend of October, targeting websites of prominent high-tech and petrochemical enterprises ^[1]. Between October 5 and 6, three listed companies—Formosa Petrochemical, Wistron, and UMC—successively issued material announcements detailing DDoS cybersecurity incidents on October 4 and confirming that their website services had resumed normal operations ^[1]. Additionally, on the afternoon of Friday, October 4, OTC-listed computer and peripheral equipment company Albatron also disclosed experiencing a similar denial-of-service (DoS) attack and stated that system recovery was underway ^[1].

Industries mainly affected: Semiconductor

Additionally, on the afternoon of Friday, October 4, OTC-listed computer and peripheral equipment company Albatron also disclosed experiencing a similar denial-of-service (DoS) attack and stated that system recovery was underway ^[1].