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Penetration Testing
Find exploitable weaknesses across applications, APIs, and exposed services.
Offensive security / research / engineering
Cybersecurity services & penetration testing.
CYThunder provides practical cybersecurity services focused on identifying vulnerabilities, testing applications, and improving security across modern attack surfaces.
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APPLICATION SECURITYVULNERABILITY RESEARCHOFFENSIVE SECURITYSECURITY ENGINEERING
Capabilities
Security that holds up under scrutiny.
Focused services for teams that need to understand risk, validate defenses, and improve the software they ship.
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Web Application Security
Test modern web products against real attack paths and business logic abuse.
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Android Security
Assess mobile applications, platform behavior, local storage, and service boundaries.
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Vulnerability Research
Investigate security weaknesses with disciplined technical validation and clear impact.
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Security Assessment
Turn attack-surface understanding into practical findings your engineering teams can act on.
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Security Automation
Build repeatable analysis workflows that make security testing more precise and efficient.
Research areas
Curiosity with a technical edge.
Research keeps our work close to how systems actually behave. We investigate the boundaries where software, platforms, and attackers meet.
CY / LAB
Find the signal
inside the surface.
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Vulnerability Research
Technical investigation into weaknesses, exploitability, and meaningful impact.
Android Security
Mobile application behavior, platform boundaries, and attack surface analysis.
Web Security
Modern web applications, APIs, authentication, and the systems around them.
Application Security
Security properties of software from design decisions through production behavior.
Machine Learning for Cybersecurity
Thoughtful automation for finding useful security signals in complex systems.
Automated Security Analysis
Repeatable tooling that supports researchers and improves assessment quality.
About CYThunder
Make security useful.
CYThunder is a cybersecurity practice focused on offensive security, vulnerability discovery, application security, research, and practical security engineering.
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Security research should leave a system stronger than it found it.
We work at the intersection of security-focused technology and real-world software. Our work is technical, direct, and grounded in findings that teams can understand and act on.
Start a conversationSecurity approach
A method built for real-world risk.
Every engagement follows a clear path from understanding the surface to making it stronger.
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Phase 01
Discover
Map the application, technology, and attack surface before testing begins.
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Phase 02
Assess
Probe the paths an attacker could use and prioritize meaningful weaknesses.
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Phase 03
Validate
Confirm findings responsibly with evidence, scope, and practical impact.
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Phase 04
Remediate
Translate technical research into focused improvements for the product and team.
Open channel
Ready to strengthen
your security?
Have a security assessment, research opportunity, or cybersecurity challenge? Let's talk.
Contact CYThunder hello@cythunder.com