Focusing on the emerging internet, changed the company name to "InterQ Inc." and fully entered the internet business.
Launched the world's first non-member internet connection and service business "interQ ORIGINAL." This marked the start of access business.
Started a membership-based corporate internet connection service "interQ MEMBERS" with no credit card required, allowing immediate online sign-up and use.
Launched a free domain registration, email, and homepage service "interQ OFFICE" for corporations.
Selected as the only commercial domain name registrar in Asia and Japan by ICANN.
Started the internet business and became the first independent internet venture and internet service provider in Japan to go public (Securities Code: 9449) after 3 years and 8 months.
Launched the Discount Domain Dotcom (now Onamae.com) service, marking the start of the domain business.
Cobalt Networks Inc. partnered with the company to launch "inter Q All-in-One Server," a high-quality, low-cost data center service.
"InterQ Inc." changed its company name to "Global Media Online Inc." (now: GMO Internet Group Inc.) and relocated its headquarters to Cerulean Tower, 26-1 Sakuragaoka, Shibuya-ku.
Started electronic certificate issuance and other information security services, as well as electronic authentication business, from May 13, 2003. Established Japan GeoTrust and entered the information security and electronic certificate (server certificates, corporate authentication, personal authentication, etc.) markets.
Belgian electronic certification authority "GlobalSign NV" joined the group.
Started offering "Security-Enhanced Site Seal (Proven Existence & Eavesdropping Prevention Site)."
GMO GlobalSign launched the world's first "One-Click SSL" service that automates the process from certificate purchase to installation with a single click.
"GMO Internet Inc." (now: GMO Internet Group Inc.) launched the internet provider service "GMO TokuToku BB," a core service for access business.
GMO Internet Group significantly expanded its employee benefits facilities and opened "Synergy Cafe GMO Yours."
As part of GMO Internet Group’s employee benefits facilities, opened the nursery "Kids Room GMO Bears."
GMO GlobalSign established a more robust operational system.
It was revealed that DigiNotar, a Dutch certification authority formerly affiliated with the government, was hacked and issued 531 certificates by mistake. In response to this globally shocking incident, GMO GlobalSign stopped issuing certificates for two days, conducted a comprehensive system inspection and measures, and established a more robust operational system.
Ubisecure, a Finnish IAM software company, joined GMO GlobalSign.
Obtained simultaneous certification for international standards "ISO27001 (Information Security Management)" and "ISO22301 (Business Continuity Management)" as of October 21, 2019. Demonstrated that GMO GlobalSign meets strict international standards ensuring the confidentiality, integrity, and availability of entrusted resources and data in information security and business continuity.
GMO GlobalSign obtained both "ISO27001" and "ISO22301" certifications as a certification authority.
Full-scale entry into the cybersecurity business.
Started offering "Security-Enhanced Site Seal (Cyber Attack Prevention Site)."
GMO Cybersecurity by Yell conducted investigations using IoT forensic technology, such as recovering and analyzing information recorded on digital devices, and received a letter of appreciation and a shield from the Nagano Prefectural Police Headquarters.
Establishment of a joint venture company "GMO Preferred Security Inc."
Merged with its consolidated subsidiary GMO Solution Partners Inc.
Transitioned to the Tokyo Stock Exchange Prime Market.
GMO Internet Inc. was established. The internet infrastructure business operated by GMO Internet Group Inc. was succeeded by GMO Ad Partners Inc., and the company name was changed to "GMO Internet Inc."
Transferred the internet infrastructure business operated by GMO Internet Group Inc. to GMO Ad Partners Inc., and changed the company name to "GMO Internet Inc."
Strengthening overseas internet infrastructure business.
Acquired shares of 8 consolidated subsidiaries of GMO Internet Group Inc., totaling 11 subsidiaries including the acquired companies: GMO-Z.com RUNSYSTEM Joint Stock Company (Vietnam), GMO Ransystem Inc., GMO-Z.com NetDesign Holdings Co., Ltd. (Thailand), NetDesign Host Co., Ltd. (Thailand), NetDesign Paragon Co., Ltd. (Thailand), GMO-Z.com ACE Co., Ltd. (Myanmar), GMO-Z.com Lao., Ltd. (Laos), GMO-Z.com Philippines, Inc. (Philippines), GMO-Z.com Mongolia LLC (Mongolia), GMO-Z.com Cryptonomics (Thailand) Co., Ltd. (Thailand), GMO-Z.com Holdings (Thailand) Co., Ltd. (Thailand)
Strengthening overseas internet infrastructure business.
Acquired shares of 8 consolidated subsidiaries of GMO Internet Group Inc., totaling 11 subsidiaries including the acquired companies: GMO-Z.com RUNSYSTEM Joint Stock Company (Vietnam), GMO Ransystem Inc., GMO-Z.com NetDesign Holdings Co., Ltd. (Thailand), NetDesign Host Co., Ltd. (Thailand), NetDesign Paragon Co., Ltd. (Thailand), GMO-Z.com ACE Co., Ltd. (Myanmar), GMO-Z.com Lao., Ltd. (Laos), GMO-Z.com Philippines, Inc. (Philippines), GMO-Z.com Mongolia LLC (Mongolia), GMO-Z.com Cryptonomics (Thailand) Co., Ltd. (Thailand), GMO-Z.com Holdings (Thailand) Co., Ltd. (Thailand)
Establishment of a new company for cyber countermeasures Mitsubishi UFJ Bank and GMO (GMO Internet Group, GMO Cyber Security by Yellare)
GMO establishes a new company for cyber attack countermeasures for government agencies and infrastructure companies
Establishment of GMO National Security Inc.
Group representative Kumagai's post [GMO Conference Spring Cyber Security 2026 Thanks]
[Press Release] GMO Brand Security Survey, "Actual Situation of Email Security in Local Governments" Two-thirds of 862 local governments nationwide have not implemented impersonation countermeasures
[Press Release] GMO Brand Security Survey, "Actual Situation of Email Security in Major Brands" ~ Only 4.8% of the top 50 domestic brands have effective settings for SPF/DMARC to block impersonation emails ~
[Press Release] Establishment of a new company "GMO National Security Inc." that supports cyber attack countermeasures in response to security clearance system
GMO Cybersecurity by Yell, appointed Ms. Kana Shinoda as an outside director - Strengthening governance by leveraging international insights from the founder of Japan's security international conference "CODE BLUE."
GMO Internet Group challenged the world's top cybersecurity competition "DEF CON 34" CTF across the group - Selected from over 200 white hackers, returning skills honed worldwide to society.
GMO Cybersecurity by Yell built the AI-based cybersecurity platform "AI White Hacker by GMO" - Fusing frontier AI and white hacker insights to enhance vulnerability investigation, diagnosis, and defense.
GMO Internet has issued a notice to customers about unauthorized access to its Onamae.com Desktop Cloud service. The company apologized for the inconvenience and announced compensation for losses incurred through unauthorized transactions in customers’ trading accounts. The notice was released on November 6, 2026.
Unauthorized access to the "o名前.com Desktop Cloud" service we provide resulted in transactions against customers' wishes, causing losses. In the fourth report dated October 24, we notified the compensation details and began individual contact with contracted customers. Please refer to the fourth report for details. You can contact us via the dedicated form or by phone.
GMO Internet apologized for the inconvenience and concern caused by unauthorized access to its Onamae.com Desktop Cloud service. As of October 30, 2026, the company said it had begun contacting customers and announced information concerning condolence payment procedures and alternative services.
GMO Internet apologized to customers and stakeholders for the unauthorized access to "Onamae.com Desktop Cloud". It announced that it has begun direct communication with customers under contract regarding the procedures for receiving compensation and the provision of alternative services, as outlined in the fourth report dated October 24.
GMO Internet published its sixteenth report on the unauthorized access to Onamae.com Desktop Cloud, as of October 29, 2026, at 20:50 JST. The report covers tips received through the GMO Cybercrime Bounty and thanks those helping provide information and prevent its spread, while apologizing for the inconvenience and concern caused.
As of 20:50 on October 29, 2026, the status of the response is being communicated regarding the provision of information to "GMO Cybercrime Eradication Reward." The number of information submissions will be announced at 18:00 from Monday to Friday, excluding holidays, and we express gratitude for cooperation in providing information and preventing dissemination, and again apologize to users and stakeholders.
GMO Internet has obtained promising information believed to help identify those responsible for the unauthorized access and plans to submit it to the police and relevant authorities on October 29, 2026. The company has received 270 tips through the “GMO Cybercrime Bounty.”
We have obtained strong information that is believed to lead to the identification of the perpetrator, and we plan to submit it to the police and relevant authorities on October 29, 2026. The "GMO Cybercrime Eradication and Reward" site had 270 information submissions as of 11:30 a.m. on that day. We express gratitude for cooperation in providing information and preventing dissemination, and we are working to prevent the spread of damage.
This report provides an update on the response to the unauthorized access to Onamae.com Desktop Cloud that occurred on October 28, 2026. It describes how 113 tips were received within six hours of the launch of the GMO Cybercrime Prevention and Bounty Website, efforts to prevent the incident from spreading on X, and initiatives to prevent further damage. It also expresses apologies to those involved and gratitude for their cooperation.
We deeply apologize for the inconvenience caused to our customers by this unauthorized access. Within six hours of launching the “GMO Cybercrime Prevention and Bounty” website, we received 113 reports, and we continue our efforts to prevent the information from spreading. We are still taking measures to prevent the damage from spreading.