Cyberattacks continue to menace Japan as more firms disclose data breaches

What happened: Several Japanese companies disclosed customer data breaches from cyberattacks on Friday, including Yamato Transport, Nikkei, Park24, Keio, Fancl, Attenir and Japan Post. Key numbers: Yamato Transport: 5.31 Why it matters: The disclosures show breaches spanning logistics, media, transport and retail firms. Park24 said it will finish deleting identity verification images by the end of this month and revise internal rules to delete such images immediately after verification. Outside experts believe Keio was targeted in a ransomware attack by the international hacker group Qilin.

Several Japanese companies disclosed customer data breaches from cyberattacks on Friday, including Yamato Transport, Nikkei, Park24, Keio, Fancl, Attenir and Japan Post.

The disclosures show breaches spanning logistics, media, transport and retail firms. Park24 said it will finish deleting identity verification images by the end of this month and revise internal rules to delete such images immediately after verification. Outside experts believe Keio was targeted in a ransomware attack by the international hacker group Qilin.