Hakusensha: malicious code was added to parts of its website, sending visitors to a malicious external site

1. 2021-04-11

   From the early hours, malicious code was added to some pages of the website, so visitors were redirected automatically to a malicious external site. [1] [2]

2. 2021-04-12 17:30

   The tampered state lasted until around this time. [1] [2]

3. 2021-04-14

   The company announced the case. [2]

The company asked people who visited the website during the period to update their security software, check for infection and remove any malware. It said no personal information of users leaked. It identified the cause, restored the site and said it would strengthen information management. [2]

It would not say more than its announcement when asked, so how the access was found, its cause and what the destination site contained were not disclosed. [1]