S&J Corp
5599.T
Tokyo Stock Exchange1,100.00
JPY
-20.00
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S&J Corp
5599.T
(Tokyo Stock Exchange)
Recent
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1,100.00
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div
yld
- -
ROIC.AI
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- Business
- S&J Corporation (5599.T), founded in 2008 and headquartered at 8F Hibiya Building, 1-1-1 Shimbashi, Minato-ku, Tokyo, Japan, operates as a cybersecurity services provider primarily serving clients across Japan. The company delivers consulting services including security advisors, incident response, email security, vulnerability diagnosis, and security products; security operation center (SOC) services encompassing monitoring and operations via its proprietary cloud-based KeepEye endpoint detection and response (EDR) platform powered by SOC Engine, as well as third-party EDR products; managed detection and response (MDR) with integrated endpoint, network, and cloud monitoring; Active Directory monitoring; computer security incident response team (CSIRT) establishment and operation; security governance strategy development incorporating zero trust and digital transformation considerations; and sales/support for various cybersecurity products targeting small businesses to large enterprises. In recent developments, S&J conducts an ongoing equity buyback program initiated February 2025, with tranches completed in April 2025 acquiring 110,200 shares for ¥119.99 million and updates through late April; its Active Directory monitoring service receives the Encouragement Award in the Security Operations Support category at the Japan Security Awards 2025 announced November 28, 2025; President Nobuo Miwa provides expert commentary on ransomware incidents including the Askul attack by a Russia-linked hacker group, featured in Tokyo Shimbun, Jiji Press, and Sankei News on October 31, 2025; and the company hosts cybersecurity seminars such as the November 25, 2025 online session on ransomware countermeasures beyond UTM/EDR and the September 2025 Cyleague Executive Security Forum on cyber resilience. With 114 employees as of November 2025, S&J lists on the Tokyo Stock Exchange Growth Market and maintains a philosophy of delivering optimal security services to foster client business growth.