Cyber Security Cloud
cscloud.co.jp
Actively hiring
Web Security & DDoS Protection
Cybersecurity
View 14 jobs
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Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
How Cyber Security Cloud hires
Truth index
D 53/100
Ghost roles
78%
Stale roles
0%
Reposted roles
0%
Cyber Security Cloud scores D on the Alion truth index (A is best, E worst), measured over 18 open roles re-checked against its own hiring board: 78% look like ghost listings, 0% have gone stale and 0% are the same role posted again. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
Cyber Security Cloud is a Tokyo company founded in 2010 that provides web application firewall products and attack intelligence. Its cloud based services protect websites and applications using rule sets built from its own analysis of attack traffic. The company serves e-commerce, gaming and financial customers in Japan and abroad.
Tech stack
Technologies named in job postings at Cyber Security Cloud over the last 12 months, by layer, with the share of postings for each.
Technologies in use
29
Postings analysed
15
Stack modernity
82/100AI adopter
Languages
Python27%
Ruby20%
TypeScript20%
Kotlin7%
Frameworks & libraries
LangChain7%
PoC Library7%
Ruby on Rails7%
Cloud & platforms
Windows93%
AWS67%
GCP60%
Azure47%
AI & ML
LLM7%
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Full Cyber Security Cloud tech stack
29 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
52/100
Stable
Open positions
18
1 opened / 1 closed in 30 days
Median time-to-fill
228 days
faster than 7% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
25% ▲
Security
25% ▲
Leadership
25% ▼
Product
25% ▲
Activity Timeline
Added SIEM to stack
Oct 2026
New location: Tokyo
Oct 2026
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Tokyo
Tokyo
Japan
HQ
18 open roles 4 posted in 90 days 56% engineering $73k Avg Salary
hires for Security, Backend, AI/ML
Jobs
$38k – $51k per year • In office • Tokyo
Kotlin
Model Context Protocol
LLM
DevOps
GCP
AWS
Cybersecurity
Keycloak
Management
Slack
Notion
Google Workspace
Apply
$45k – $76k per year • In office • Tokyo
Python
TypeScript
Ruby
Ruby on Rails
DevOps
Terraform
Ansible
GCP
Zabbix
GitHub Actions
Prometheus
Azure
CI/CD
AWS
Kubernetes
Grafana
Amazon ECS
Amazon CloudWatch
Windows
Management
Confluence
Jira
Apply
$51k – $76k per year • In office • Tokyo
Azure
AWS
Windows
Cybersecurity
SIEM
Apply
$51k – $95k per year • In office • Full-Time • Tokyo
Python
TypeScript
Ruby
Terraform
Ansible
GCP
Zabbix
GitHub Actions
Prometheus
Azure
CI/CD
AWS
Kubernetes
Grafana
Amazon ECS
Amazon CloudWatch
Windows
Management
Confluence
Jira
Apply
$48k – $76k per year • In office • Full-Time • Tokyo
Windows
Management
Slack
Google Workspace
Apply
Apply
In office • Full-Time • Tokyo
Python
LangChain
DevOps
GCP
Azure
AWS
Windows
Chips/EDA
PoC Library
Apply
$45k – $76k per year • In office • Full-Time • Tokyo
Python
TypeScript
Ruby
Terraform
Ansible
GCP
Zabbix
GitHub Actions
Prometheus
Azure
CI/CD
AWS
Kubernetes
Grafana
Amazon ECS
Amazon CloudWatch
Windows
Management
Confluence
Jira
Apply
$51k – $76k per year • In office • Full-Time • Tokyo
GCP
AWS
Amazon S3
Windows
Cybersecurity
OWASP Top 10
Apply
$57k – $83k per year • In office • Full-Time • Tokyo
GCP
AWS
Amazon S3
Windows
Cybersecurity
OWASP Top 10
Apply