> JapanHacked_
[Investigating][Severity: Moderate][Unknown]

PAPYLESS: suspected unauthorized access; Renta! suspended

On October 19, Papyless disclosed that it identified possible external unauthorized access to Renta!'s servers on October 18 and suspended the e-book service for emergency maintenance. Successful intrusion and personal-data leakage were not confirmed; details, impact and reopening timing were under investigation. The initial October 18 announcement described maintenance without identifying a security incident.

Every organization listed paused its services as a precaution; none is listed as hit.

Disclosed

2026-10-19

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

Timeline

  1. Detected 2026-10-18
  2. Disclosed 2026-10-19
  3. 1 days

Attack or cause

Method
[Unknown]
Impact
[Service outage]
Entry point
Unknown

Data exposed or at risk

–

Services hit

Organizations involved

Open in organization search

Sources

  1. [1][Official]当社が運営する電子書籍販売サイト「Renta!」のサービス一時停止に関するお知らせPAPYLESS · 2026-10-19
  2. [2][News]「Renta!」停止は「不正アクセスの可能性」のためITmedia NEWS · 2026-10-19