4493
Cyber Security Cloud , Inc.
株式会社サイバーセキュリティクラウド
Information & Communication
Cyber Security Cloud, Inc. provides web application security services in Japan. The company provides Waf Charm, a service that automatically operates a WAF provided in the public cloud using AI and big data; CloudFastener, a fully managed security service that manages and operates various AWS security services; sasanka, a software protection for web APIs; and CSC managed rules for AWS WAF. It also provides Cyneural, web attack AI detection technology; and WRAO, an automatic rule AI technology. In addition, it operates Cyhorus, a cyber threat monitoring team. Cyber Security Cloud, Inc. was incorporated in 2010 and is headquartered in Shinagawa, Japan.
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Overview
Filings & Signals
Ownership
Financials
▾ Collapse Charts
Income Statement
Balance Sheet
Cash Flow
Ratios & Per Share
Metric
FY 2025
EDINET ↗
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
Net Sales
¥5.1B
¥3.9B
¥3.1B
¥2.3B
¥1.8B
Cost of Sales
¥1.8B
¥1.3B
¥925M
¥664M
¥536M
Gross Profit
¥3.3B
¥2.5B
¥2.1B
¥1.6B
¥1.3B
SG&A
¥2.2B
¥1.7B
¥1.6B
¥1.2B
¥984M
Operating Income
¥1.1B
¥774M
¥550M
¥386M
¥297M
Non-Operating Income
¥6M
¥65M
¥12M
¥12M
¥5M
Interest Income
¥3M
¥4M
¥2M
¥0M
¥0M
Non-Operating Expenses
¥17M
¥6M
¥2M
¥2M
¥5M
Interest Expense
¥4M
¥4M
¥1M
¥2M
¥3M
Ordinary Income
¥1.1B
¥833M
¥560M
¥396M
¥298M
Pre-tax Income
¥1.1B
¥831M
¥559M
¥430M
¥268M
Income Taxes
¥309M
¥256M
¥132M
¥124M
¥98M
Current Tax
¥349M
¥285M
¥175M
¥136M
¥93M
Deferred Tax
¥-39M
¥-29M
¥-43M
¥-12M
¥5M
Net Income (owners)
¥822M
¥575M
¥427M
¥306M
¥170M
Comprehensive Income
¥823M
¥577M
¥428M
—
¥170M
EBITDA
¥1.2B
¥845M
¥598M
¥417M
¥333M
Goodwill Amort. (J-GAAP)
¥59M
¥28M
¥25M
¥19M
¥25M
EPS
¥81.84
¥62.36
¥45.28
¥32.61
¥18.17
Shares Outstanding
10.2M
9.2M
9.5M
9.4M
9.4M
Shares Issued (total)
10.4M
9.5M
9.5M
9.4M
9.4M
Treasury Shares
0.1M
0.3M
—
—
—
Metric
FY 2025
EDINET ↗
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
Total Assets
¥5.8B
¥3.0B
¥2.8B
¥2.2B
¥1.7B
Current Assets
¥4.7B
¥2.2B
¥2.1B
¥1.6B
¥1.3B
Cash & Deposits
¥4.0B
¥1.7B
¥1.8B
¥1.3B
¥1.1B
Trade Receivables
¥534M
¥409M
¥280M
¥211M
¥154M
Non-Current Assets
¥1.2B
¥804M
¥634M
¥536M
¥457M
PP&E
¥57M
¥75M
¥52M
¥57M
¥3M
Goodwill
¥441M
¥222M
¥177M
¥203M
¥228M
Intangible Assets
¥709M
¥398M
¥350M
¥287M
¥300M
Deferred Tax Assets
¥131M
¥94M
¥65M
¥22M
¥24M
Total Liabilities
¥1.4B
¥1.3B
¥959M
¥848M
¥765M
Current Liabilities
¥1.2B
¥1.0B
¥867M
¥664M
¥543M
ST Debt
¥99M
¥107M
¥92M
¥95M
¥62M
Taxes Payable
¥232M
¥184M
¥118M
¥105M
¥85M
Non-Current Liabilities
¥199M
¥290M
¥92M
¥184M
¥222M
Total LT Borrowings
¥178M
¥276M
¥92M
¥184M
¥204M
Deferred Tax Liab.
—
—
—
—
¥17M
Total Equity
¥4.4B
¥1.7B
¥1.8B
¥1.3B
¥945M
Capital Stock
¥1.0B
¥100M
¥444M
¥416M
¥389M
Capital Surplus
¥1.5B
¥741M
¥435M
¥407M
¥380M
Retained Earnings
¥2.3B
¥1.5B
¥915M
¥474M
¥175M
Treasury Stock
¥-380M
¥-668M
¥-0M
—
—
AOCI
¥6M
¥5M
¥3M
—
—
Equity (owners)
¥4.4B
¥1.7B
¥1.8B
¥1.3B
¥944M
Total Interest-Bearing Debt ⓘ
¥276M
¥383M
¥184M
¥279M
¥266M
Net Cash ⓘ
¥3.7B
¥1.3B
¥1.6B
¥1.1B
¥786M
NCAV ⓘ
¥3.3B
¥902M
¥1.2B
¥773M
¥488M
NCAV/Share
¥319
¥98
¥126
¥82
¥52
BV/Share
¥430
¥181
¥190
¥138
¥101
Metric
FY 2025
EDINET ↗
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
Operating CF
¥1.0B
¥634M
¥578M
¥354M
¥382M
Interest Paid
¥-4M
¥-4M
¥-1M
¥-2M
¥-2M
Interest Received
—
—
—
¥0M
—
D&A
¥66M
¥44M
¥23M
¥12M
¥10M
Goodwill Amort.
¥59M
¥28M
¥25M
¥19M
¥25M
Investing CF
¥-426M
¥-176M
¥-106M
¥-114M
¥-59M
CapEx
—
¥4M
¥0M
¥58M
¥2M
Financing CF
¥1.7B
¥-595M
¥-93M
¥41M
¥-170M
Dividends Paid
¥-27M
—
—
—
—
Share Buybacks
—
¥-800M
¥-0M
—
—
LT Debt Repaid
¥-134M
¥-151M
¥-95M
¥-87M
¥-38M
Free Cash Flow
¥1.0B
¥629M
¥578M
¥295M
¥380M
Net Change in Cash
¥2.3B
¥-88M
¥390M
¥280M
¥153M
Metric
FY 2025
EDINET ↗
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
ROE
27.1%
34.5%
23.8%
27.5%
21.1%
ROA
18.6%
19.8%
17.3%
15.8%
9.9%
EPS
¥81.84
¥62.36
¥45.28
¥32.61
¥18.17
DPS
¥5.00
¥3.00
—
—
—
BPS
¥430.17
¥181.40
¥190.13
¥137.62
¥100.66
FCF/Share
¥98
¥68
¥61
¥31
¥41
NCAV/Share
¥319
¥98
¥126
¥82
¥52
Payout Ratio
6.1%
4.8%
—
—
—
Event Timeline
S Shareholder
A Capital Signal
▾ Hide Chart
Large Shareholder Reports 29
Date Activist Stake Event Flag Demands Source
2026-04-22
Sumitomo Mitsui DS Asset Management Company, Limited
3.69%
-1.49%
change
Passive
—
2026-04-07
SilverCape Investments Limited
9.5%
+1.5%
change
Passive
—
2026-04-02
SilverCape Investments Limited
8.0%
+1.5%
change
Passive
—
2026-03-31
SilverCape Investments Limited
6.5%
initial_5pct
Passive
—
2026-02-20
Sumitomo Mitsui DS Asset Management Company, Limited
5.18%
initial_5pct
Passive
—
2025-07-10
Keiji Nishie
4.58%
-1.15%
change
Passive
—
2025-07-09
Keiji Nishie
5.73%
+1.54%
change
Passive
—
2025-07-09
Keiji Nishie
5.21%
+1.02%
correction
Passive
—
2025-07-09
Keiji Nishie
4.19%
correction
Passive
—
2025-07-09
Keiji Nishie
5.73%
+1.54%
correction
Passive
—
2025-07-08
Keiji Nishie
5.21%
change
Passive
—
2025-07-08
Keiji Nishie
4.19%
-1.02%
change
Passive
—
2025-03-13
JIC Venture Growth Investments Co., Ltd.
9.05%
initial_5pct
Passive
—
2025-03-06
Nomura Securities Co.,Ltd.
3.21%
-2.54%
change
Passive
—
2025-02-20
Nomura Securities Co.,Ltd.
5.75%
-1.97%
change
Passive
—
2025-02-06
Nomura Securities Co.,Ltd.
7.72%
-0.95%
change
Passive
—
2025-02-05
Nomura Securities Co.,Ltd.
8.67%
-2.13%
change
Passive
—
2025-02-03
Nomura Securities Co.,Ltd.
10.8%
initial_5pct
Passive
—
2025-01-28
Vector Gruop International Limited
—
exit
Passive
—
2024-12-06
Asset Management One Co., Ltd.
3.76%
-1.29%
change
Passive
—
2024-06-21
Asset Management One Co., Ltd.
5.05%
initial_5pct
Passive
—
2024-03-08
Vector Gruop International Limited
9.73%
correction
Passive
—
2024-03-01
Vector Gruop International Limited
11.42%
correction
Passive
—
2024-03-01
Vector Gruop International Limited
9.73%
-1.69%
change
Passive
—
2024-02-29
Vector Gruop International Limited
13.29%
+3.56%
correction
Passive
—
2024-02-29
Vector Gruop International Limited
9.73%
change
Passive
—
2024-02-29
Vector Gruop International Limited
15.34%
+5.61%
correction
Passive
—
2024-02-28
Vector Gruop International Limited
13.29%
change
Passive
—
2024-02-16
Vector Gruop International Limited
13.29%
change
Passive
—
Capital Allocation Signals 1
Date
Type
Amount
Summary
2026-05-22
16:00
Buyback
¥450M ¥1800.0/sh 2.4%
Cyber Security Cloud Co., Ltd. (TSE Growth: 4493) resolved on May 22, 2026 to execute a share buyback program authorizin…
Summary
Cyber Security Cloud Co., Ltd. (TSE Growth: 4493) resolved on May 22, 2026 to execute a share buyback program authorizing acquisition of up to 250,000 ordinary shares (2.43% of outstanding shares) for a maximum total consideration of ¥450 million through open market purchases on the Tokyo Stock Exchange between May 25 and July 31, 2026. The buyback is intended to enable flexible capital management in response to future changes in business environment.
Deadline: 2026-07-31
% of Shares: 2.4%
Shares: 250,000
Source (JP)
自己株式を取得することといたしました。(1)取得対象株式の種類 普通株式(2)取得し得る株式の総数 250,000株(上限)(3)株式の取得価額の総額 450,000,000円(上限)(4)取得期間 2026年5月25日~2026年7月31日(5)取得方法 取引一任契約に基づく東京証券取引所における市場買付け
Top 10 Shareholders
Ownership DNA
#
Shareholder
Shares (thou.)
% of Total
1
JICVGIオポチュニティファンド1号 投資事業有限責任組合
940,000
9.17%
2
Japan Custody Bank
株式会社日本カストディ銀行 (信託口)
583,300
5.69%
3
GMOインターネットグループ株式会社
496,800
4.85%
4
GMCM VENTURE CAPITAL PARTNERS I INC
GMCM VENTURE CAPITAL PARTNERS I INC (常任代理人 濱崎 一真)
321,200
3.13%
5
セントラル短資株式会社
248,000
2.42%
6
CACEIS BANK/QUINTET LUXEMBOURG SUB AC / UCITS CUSTOMERS ACCOUNT (常任代理人 香港上海銀行)
221,900
2.17%
7
The Master Trust Bank of Japan, Ltd. (Trust Account)
日本マスタートラスト信託銀行 株式会社(信託口)
209,800
2.05%
8
THE BANK OF NEW YORK
THE BANK OF NEW YORK 133595 (常任代理人 株式会社みずほ銀行)
157,600
1.54%
9
野村證券株式会社
154,086
1.50%
10
小池 敏弘
152,721
1.49%
Domestic Nominees
7.7%
-1.7% vs 2024
Trust bank custodians — GPIF, pensions, investment trusts
Foreign Custodians
1.5%
-0.2% vs 2024
Sub-custodians for foreign asset managers
Direct / Strategic
24.7%
-4.3% vs 2024
Named entities with disclosed investment intent
Shareholder
Trend
2023
2024
2025
JICVGIオポチュニティファンド1号 投資事業有限責任組合
NEW ENTRY
—
—
—
9.17%
NEW
Japan Custody Bank
日本カストディ銀行
8.69%
9.45%
5.69%
-3.76%
GMOインターネットグループ
NEW ENTRY
—
—
—
4.85%
NEW
GMCM VENTURE CAPITAL PARTNERS I INC
3.40%
3.49%
3.13%
-0.36%
セントラル短資
NEW ENTRY
—
—
—
2.42%
NEW
CACEIS BANK/QUINTET LUXEMBOURG SUB AC / UCITS CUSTOMERS ACCOUNT
NEW ENTRY
—
—
—
2.17%
NEW
日本マスタートラスト信託銀行
NEW ENTRY
1.21%
—
2.05%
NEW
BNY Mellon
1.67%
1.71%
1.54%
-0.17%
野村證券
NEW ENTRY
—
—
—
1.50%
NEW
小池 敏弘
NEW ENTRY
—
—
—
1.49%
NEW
VECTOR GROUP INTERNATIONAL LIMITED
last seen 2024
Exited Top 10
14.98%
9.99%
—
西江肇司
last seen 2024
Exited Top 10
6.30%
6.47%
—
東京短資
last seen 2024
Exited Top 10
—
2.50%
—
Aucfan Co., Ltd.
式会社オークファン
last seen 2024
Exited Top 10
2.99%
1.99%
—
BBH FOR GRANDEUR PEAK INTERNATIONAL OPPORTUNITIES FUND
last seen 2024
Exited Top 10
—
1.84%
—
SBI SECURITIES Co., Ltd.
式会社SBI証券
last seen 2024
Exited Top 10
3.33%
1.43%
—
小池敏弘
last seen 2024
Exited Top 10
—
1.31%
—
楽天証券
last seen 2023
Exited Top 10
2.02%
—
—
三菱UFJ銀行
last seen 2023
Exited Top 10
2.67%
—
—
Concentration (HHI)
ⓘ
387
263
171
3 fiscal years · top-10 holders per year · >2,500 HHI = high concentration · entity-resolved