七十七銀行 announced that it would suspend access to some services, including its website, from the 21st in response to a PHP vulnerability. Other regional banks in the Tohoku region are also carrying out emergency maintenance to suspend access to their official websites that night.
七十七銀行, headquartered in Miyagi Prefecture, announced at around 10 p.m. on the 21st that it would suspend access to some services in response to a PHP vulnerability. No information leakage has been confirmed at this point, and the bank described the measure as a precaution to ensure security.
The affected services include the bank's points program, group company websites and the top page of its banking app. Payment-related services, including online banking, are not subject to the suspension. A representative said the services are expected to resume once their safety has been confirmed.
Other regional banks in the Tohoku region also began emergency maintenance involving the suspension of access to their official websites from around 11 p.m. on the 21st. 岩手銀行, 青森みちのく銀行, 秋田銀行, 北都銀行 and 荘内銀行 announced similar measures.
A patch addressing the vulnerability was released at around 11 p.m., and some affected websites were configured to display temporary pages so that users could continue accessing them.
At this point, payment-related services such as internet banking have not been suspended.