simplywall.st GMO Internet Group Hit by Cyber Attack Exposing Customer Data
Article Content
- •GMO Internet Group's Onamae.com platform suffered a cyber attack exposing customer data.
- •The company has committed to reimbursing affected users amid ongoing scrutiny.
- •Despite the attack, analysts believe the stock may be undervalued at ¥3,392.
GMO Internet Group disclosed a cyber attack on its Onamae.com platform, leading to the exposure of customer data and unauthorized foreign exchange trades. The company has pledged to reimburse affected users as it faces scrutiny over the incident. This attack follows a challenging period for GMO Internet Group, with a 20% drop in stock price over the past 90 days. The incident raises concerns about the company's cybersecurity measures and trust in its financial services. Analysts suggest that despite the recent setback, the stock may still be undervalued at ¥3,392 compared to a fair value of ¥4,166. The company is focusing on integrating AI and cybersecurity projects to stabilize its earnings. The attack has not been linked to a specific vulnerability or exploit method in the articles.
Ask AI about this cluster
Answers cite the sources they use
Timeline
More articles in this cluster (4)
Following this threat?
Track GMO Internet Group in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Common questions
What customer data was exposed?
What steps is GMO Internet Group taking post-attack?
How has the stock price been affected?
Continue Reading
China-Linked Hackers Exploit PHP2Shell Vulnerabilities to Breach U.S. Government Systems On October 21, 2026, the PHP development team released patches for two critical vulnerabilities in PHP, known as PHP2Shell (CVE-2026-109618 and CVE-2026-109619), which allow unauthenticated remote code execution. These vulnerabilities were actively exploited by a suspected China-linked threat actor who compromised 25… 
Volt Typhoon's Silent Train Network Targets US Critical Infrastructure The Chinese state-sponsored hacking group Volt Typhoon has been linked to a covert network called Silent Train, which has exploited at least four zero-day vulnerabilities over three years. This network utilizes rapidly rotating chains of compromised SOHO routers, IoT devices, and enterprise infrastructure to access…