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Overview

CyberSolutions Inc.

CyberSolutions Inc. provides cloud-based business solutions and IT services primarily to Japanese enterprises, offering email security, messaging infrastructure, and groupware products. The company's core offerings include the CYBERMAILΣ cloud email platform and related managed services targeting corporate clients seeking secure and reliable communication infrastructure. Its competitive strengths lie in its proprietary cloud platform technology and long-standing relationships with corporate customers.

Market Cap

¥28.7B

US$183M

¥27.8B

US$177M

Stock¥1,817▼-9.15%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

—

LTM EV/EBIT

18.0

LTM PER

26.0

LTM PBR

5.9

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-11.2%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

1Jun 8, 26Full-year FY2026/04 earnings announced

2Sep 1, 26Q1 FY2027/04 earnings announced

3Oct 8, 26Cybersecurity stocks bought after hacking incidents at MrMax, GMO unit

4Oct 13, 26Security stocks bought after MrMax HD and GMO Internet subsidiary disclosed data breaches

5Oct 15, 26US CPI surprise & rising yields trigger AI/semiconductor selloff ("CoreWeave Shock") spillover

MC → EV Bridge

AI Briefing

Generating insights…

Performance & Balance

Revenue 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

95%

EquityD/E 0.05xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 83.7%

as of 2026-04-30 · Source: Annual Securities Report

Kaiko HAYASHI

44.09%

Yingying LIN

11.04%

Yingbei LIN

11.04%

DAIWA CM SINGAPORE LTD - NOMINEE OPENFIND INFORMATION TECHNOLOGY (Standing Proxy: Daiwa Securities Co. Ltd.)

5.94%

TKC Corporation

2.99%

Hitachi Systems, Ltd.

2.85%

ACA Secondaries No. 1 Investment Limited Partnership

2.42%

Custody Bank of Japan, Ltd. (Trust Account)

1.32%

Rakuten Securities, Inc. (Joint Account)

1.04%

DAIWA CM SINGAPORE LTD - NOMINEE AZUMA AKIHIRO (Standing Proxy: Daiwa Securities Co. Ltd.)

0.95%

Management

8 officers

Kaiko HAYASHI

Representative Director, President

Born Mar 1958 Apr 1988: Joined Assist Co., Ltd. Apr 1991: Joined Dun & Bradstreet Software Co., Ltd. (now SSJ Co., Ltd.) Dec 1996: Director, General Manager of Business Division; later Director, General Manager of Sales Division, same company Feb 1997: Founded Internet Security Systems K.K., Representative Director, President Apr 1997: Founded LinkAsia Co., Ltd., Representative Director, President (renamed CyberSoft Co., Ltd. in Aug 1998) Jul 2007: Joined IBM Japan, Ltd. Apr 2009: Chairman of the Board, former Cyber Solutions Inc. Jun 2010: Founded Eisa Co., Ltd., Representative Director, President May 2011: Founded Jurex Co., Ltd., Representative Director, President Jun 2011: Director, LAC Co., Ltd. May 2013: Joined Cisco Godo Kaisha Jun 2015: Director, Openfind Information Technology, Inc. (current) Dec 2022: Representative Director, President, former Cyber Solutions Inc. Jan 2023: Director, ACA Security Inc. (now the Company) May 2023: Representative Director, President of the Company (current) (ACA Security Inc. absorbed Cyber Solutions Inc. and changed its name) Mar 2024: Representative Director, Chairman, Internet Secure Services Inc.

1958-03-14

Yuichiro NISHIMAKI

Director

Apr 1995: Joined Sun Microsystems K.K. (now Oracle Information Systems Godo Kaisha) Dec 2000: Joined Nippon Baltimore Technologies K.K. (now CyberTrust Co., Ltd.) Dec 2002: Joined Ant Factory Japan K.K. (now Ant Capital Partners Co., Ltd.) Apr 2014: Joined ACA Co., Ltd. Oct 2018: Outside Auditor, Works Applications Co., Ltd. (current) Nov 2020: Representative Director, ACA Secondaries K.K. (now Second Point Capital Co., Ltd.) (current) Jan 2023: Director, ACA Security Inc. (now the Company) (current)

1971-10-07

Changjian LIAO

Director

Nov 2000: Joined Openfind Information Technology, Inc. Nov 2005: Executive Vice President, Openfind Information Technology, Inc. Apr 2009: Director, former Cyber Solutions Inc. Oct 2010: Chief Executive Officer, Openfind Information Technology, Inc. (current) May 2023: Director of the Company (current)

1971-08-17

Yukino ENOMOTO

Director

Apr 2000: Registered as attorney; joined Yokohama Sogo Law Office Apr 2007: Partner Attorney, Yokohama Sogo Law Office (current) Jun 2019: Outside Auditor, Kyosan Electric Mfg. Co., Ltd. (current) Dec 2021: Outside Director, Fixstars Corporation (current) Jan 2025: Director of the Company (current)

1971-04-19

Shoko MORIMOTO

Director

Apr 1989: Joined Motorola Japan Ltd. Apr 1995: Chief, Mobile Communications Research Department, Motorola Japan Ltd. Feb 1998: Joined IBM Japan, Ltd. Apr 2019: Distinguished Engineer, IBM Japan, Ltd. Sep 2021: Joined Kyndryl Japan K.K.; Distinguished Engineer, Kyndryl Japan K.K. Sep 2024: Joined Yamashita Technology Development LLC (current) Jan 2025: Director of the Company (current)

1965-06-24

Midori KAGAWA

Full-time Corporate Auditor

Dec 2007: Joined Shin Nihon & Co. (now EY ShinNihon LLC) Dec 2021: Full-time Corporate Auditor, Polite Co., Ltd. Dec 2021: Auditor, msh Co., Ltd. Jan 2022: Registered as Certified Public Accountant Jan 2022: Joined Kagawa CPA Office (current) Dec 2022: Director (Audit and Supervisory Committee Member), Polite Co., Ltd. Feb 2024: Full-time Corporate Auditor of the Company (current)

1981-06-28

Yoshiya ISHIMURA

Corporate Auditor

Apr 1993: Registered as attorney Apr 1993: Joined Tokyo Aoyama Law Office Jul 1997: Joined Baker & McKenzie Aug 2001: Joined Akatsuki Sogo Law Office Jun 2003: Joined Hanzomon Sogo Law Office Jun 2009: Auditor, Yamane Medical Co., Ltd. Jan 2010: Founded Omotesando Sogo Law Office, Partner Attorney (current) Jun 2017: Director (Audit and Supervisory Committee Member), Yamane Medical Co., Ltd. Feb 2024: Corporate Auditor of the Company (current)

1959-11-06

Kazunobu WATANABE

Corporate Auditor

Oct 1963: Born Apr 1987: Joined Watanabe Yoshimon Tax Accountant Office Feb 1995: Registered as Certified Tax Accountant Jun 2002: Founded Watanabe Accounting Office Tax Accountant Corporation, Representative Partner (current) Mar 2003: Auditor, former Cyber Solutions Inc. Oct 2019: Auditor, godai Co., Ltd. (current) Feb 2024: Corporate Auditor of the Company (current)

1963-10-25

Large Shareholding Reports

Openfind Information Technology, Inc.

2026-06-10

5.08%→6.25%

Openfind Information Technology, Inc.

2025-12-31

—

Openfind Information Technology, Inc.

2025-12-26

5.08%

Kaihiro HAYASHI

2025-11-27

46.56%→44.09%

Annual report (as of 2026-04-30): 44.09%

Eiei HAYASHI

2025-10-30

11.04%

Annual report (as of 2026-04-30): 11.04%

Eikai HAYASHI

2025-10-30

11.04%

Annual report (as of 2026-04-30): 11.04%

Kaihiro HAYASHI

2025-10-30

46.56%

Annual report (as of 2026-04-30): 44.09%

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-08-31

Q1 Earnings Flash

FY ending Apr 2027

CyberSolutions Inc.

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