CyberOne싸이버원
356890 · KOSDAQ · ₩356890 · 싸이버원
- Market cap
- ₩26B
- Enterprise value
- ₩9B
- P/E
- —
- P/B
- 0.6×
- Dividend yield
- 1.6%
- ROE
- −0.8%
- Net margin
- −0.9%
Trailing 12 months from filed financial statements, as of H1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.
52-week range−56.1% from the high
₩1,810Today: ₩2,160 – ₩2,290₩4,920
Returns
- 1W−11.1%
- 1M−15.1%
- 3M−2.5%
- 6M−47.1%
- YTD−45.2%
- 1Y−51.4%
- Volume today
- 31,368
- 0.5× the 20-day average
- Traded today
- ₩70M
- Listed shares
- 11,953,825
- EPS (12 months)
- −₩27
- Earnings yield −1.3%
Upcoming dates
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Signals
Quiet- BuzzQuietBuzz 32 of 100 (50 is a normal day for this stock).
- SentimentMixedNews: A routine filing about a share cancellation, with no clear positive or negative signal. Community: 0 bullish, 0 bearish posts this week.
- MomentumWeak-14.1% over the last month; the price is below its 20-day average.
- News impactSome1 news items and filings in two weeks; 0 rated high impact, 1 medium.
Signals describe activity, not recommendations. Not financial advice.
CyberOne stock overview
CyberOne (싸이버원, KRX: 356890) is listed on KOSDAQ, in the Software sector. Cyberone is a Korean information security company founded in 2005 that provides security control services, security consulting, smart systems, security solutions and cloud services. Its shares closed at ₩2,160 on Oct 26, 2026, down 2.26% on the day, giving it a market value of ₩26B.
Key facts
- Market cap
- ₩26B
- Sector
- Software
- Latest price change
- −2.26%
- As of
- Oct 26, 2026
- Main business
- Cyberone is a Korean information security company founded in 2005 that provides security control services, security consulting, smart systems, security solutions and cloud services.
Quick answers about CyberOne
- What does CyberOne do?
- Cyberone is a Korean information security company founded in 2005 that provides security control services, security consulting, smart systems, security solutions and cloud services. It serves public institutions, financial companies and private enterprises through direct contracts, and its subsidiary X-CURE NET develops and sells information leak prevention and internal data security solutions. The company's operations are centered in Korea, with a small share of revenue from exports.
- What is the market cap of CyberOne?
- The market capitalisation of CyberOne was ₩26B at the close on Oct 26, 2026.
- Who are the largest shareholders of CyberOne?
- According to the latest official filings, the largest reported holders are Kim Yong-ok (55.84%, as of Mar 16, 2026); Yuk Dong-hyeon (8.17%, as of May 7, 2025); Kim Hee-mang (1.78%, as of Jan 23, 2025).
- When is the next earnings report from CyberOne?
- Korean companies rarely announce results dates in advance. Based on when CyberOne filed the same report in past years, its next 3q results is expected between Nov 14, 2026 and Nov 29, 2026.
Company profile
Cyberone is a Korean information security company founded in 2005 that provides security control services, security consulting, smart systems, security solutions and cloud services. It serves public institutions, financial companies and private enterprises through direct contracts, and its subsidiary X-CURE NET develops and sells information leak prevention and internal data security solutions. The company's operations are centered in Korea, with a small share of revenue from exports.
Written by AI from the company's latest annual report.
- Korean name
- 싸이버원
- Sector
- Software
- Themes
- Cybersecurity
- CEO
- 육동현
- Founded
- Jan 2005
- Listed
- Mar 2021
- Listed shares
- 11,953,825
- Fiscal year ends
- Month 12
- Website
- www.cyberone.kr/
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Recent filings
See all- Share cancellation decisionOct 23, 2026
- Amended: Major sales or supply contractSep 15, 2026
- Half-year report (Jun 2026)Aug 14, 2026
- Amended: Major sales or supply contractJul 31, 2026
- Quarterly report (Mar 2026)May 15, 2026
Titles in Korean until English translations are added.
Also known as: CyberOne / 싸이버원 / 356890 / KRX:356890
Source: KRX statistical information