CyberOne
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
CyberOne helps organisations protect their digital infrastructure by monitoring networks around the clock for threats, advising on security strategy, and supplying physical-access control systems that combine smart-card and RFID technology with video and sensor hardware.
Its clients span multiple industries that need to secure IT assets and meet compliance requirements. Listed on KOSDAQ, Korea's tech-focused small-cap exchange, the company operates across four lines, managed security operations, security consulting, smart physical-security systems, and cloud infrastructure services.
Summary is AI-generated and may contain errors · figures from DART filings
CyberOne is designated by Korea's Ministry of Science and ICT as both a specialist managed-security-operations firm and an information-security professional-services company, and by the Personal Information Protection Commission as a privacy-impact assessment body.
CyberOne in five facts
What does CyberOne do?
CyberOne helps organisations protect their digital infrastructure by monitoring networks around the clock for threats, advising on security strategy, and supplying physical-access control systems that combine smart-card and RFID technology with video and sensor hardware.
Where is CyberOne listed and in which sector?
CyberOne (Korean name: 싸이버원) trades under KRX code 356890 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Software.
How large is CyberOne?
Its market capitalisation was US$21.2M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were CyberOne's latest annual revenue and operating profit?
For fiscal year 2025, CyberOne reported revenue of US$25.5M, operating profit of US$312.7K and a net loss of US$957.9K, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was down 29.5% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- [Amended] Supply contract signed (voluntary)
CyberOne updated a previously disclosed supply contract with the Public Procurement Service (for the Korea Local Information Research & Development Institute), now worth US$3.06M, about 8.72% of its recent annual revenue, running through Dec 2026.
Supply contract · Sep 15 - [Amended] Supply contract signed
CyberOne updated a previously disclosed supply contract with Korea Educational Broadcasting System (EBS), now worth US$2.47M, about 15.44% of its recent annual revenue, running through Dec 2026.
Supply contract · Jul 31 - [Amended] Cash/in-kind dividend decision
CyberOne updated its declared cash dividend of US$0.02 per share, equal to about 0.9% of the recent share price.
Dividend · Apr 22 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
CyberOne reported consolidated results for FY2025: revenue of US$23.5M (−29.7% year on year), operating profit of US$230K (−97.1% year on year) and a net loss of US$1.08M (from a profit a year earlier).
Earnings · Feb 27 - Supply contract signed (voluntary)
CyberOne disclosed a supply contract with the Public Procurement Service (for the Korea Local Information Research & Development Institute), worth US$2.89M, about 8.68% of its recent annual revenue, running through Dec 2026.
Supply contract · Feb 19 - Cash/in-kind dividend decision
CyberOne declared a cash dividend of US$0.02 per share.
Dividend · Feb 4