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A trusted penetration testing and VAPT service, built to international standards, that simulates real-world attacks on your systems to uncover vulnerabilities and fix them before attackers can exploit them.
Penetration testing, also known as pentest or VAPT (vulnerability assessment and penetration testing), is a process where security experts simulate real-world attacks to uncover vulnerabilities in your systems, applications and networks before threat actors do.
These experts assess risk, identify security vulnerabilities and deliver a detailed report with clear remediation guidance, so you can fix weaknesses before they are exploited and stay compliant with standards such as ISO 27001, SOC 2 and PCI DSS.
A 5-step penetration testing methodology aligned with international standards and delivered by certified pentesters to uncover vulnerabilities quickly and thoroughly
Identify high-risk assets and potential attack vectors based on the MITRE ATT&CK framework.Map critical systems and uncover hidden attack surfaces.Prioritize threats and define the testing scope to maximize efficiency.
Testing everything is inefficient - we focus on what attackers will actually target.
MITRE ATT&CK Tactics in the Enterprise Matrix
Detect security weaknesses based on OWASP Top 10 & CWE standards. Prioritize remediation based on exploitability and impact severity.
A vulnerability is only a risk if it can be exploited. We identify what truly threatens your security.
Detect security flaws using OWASP Top 10 and CWE that could lead to compromise.
Validate real-world risks through controlled exploitation. Simulate privilege escalation and provide concrete Proof of Concept (PoC) evidence.
Not all weaknesses are exploitable - we focus on what matters, so you can prioritize effectively.
Validate exploitable vulnerabilities and their impact using NIST and PTES.
Evaluate the depth of intrusion (lateral movement) an attacker could achieve. Assess the risk of data exfiltration to determine the maximum business impact.
Attackers don’t stop at entry - we test how far they can go and how to stop them.
Assess how deep an attacker could go if a breach occurs.
Verify that all identified vulnerabilities have been fully remediated by the organization. Detect any new issues that may arise during the patching process.
Fixes can fail or introduce new risks - we ensure your systems stay secure.
Ensure all identified vulnerabilities are properly fixed by validating patches against CIS Benchmarks and best practices.
Get consultations from a dedicated CyStack’s security experts to deploy your penetration test efficiently and rapidly.
Traditional pentests can take weeks, or even months, to deliver a final report
The traditional model is inefficient in cost and risk coverage, and less experienced testers can leave vulnerabilities undetected
It overlooks critical attack vectors such as web apps, APIs, cloud and mobile, leaving security gaps
Reports create noise because they lack CVSS classification, attack analysis and concrete remediation guidance
Get notified about vulnerabilities the moment they are found
A team of experts with over 8 years of experience, combined with a powerful security ecosystem, optimizes both cost and turnaround time
We apply standards such as MITRE ATT&CK, OWASP and NIST to ensure comprehensive, up-to-date and continuous testing
Risk ranking with CVSS scores, remediation guidance and free retesting support, aligned with global standards
Sensitive internal data can be leaked if the vendor lacks certifications for information security and customer data protection such as ISO 27001, SOC 2, PCI DSS, HIPAA or GDPR.
A commitment to protecting customer data with global quality standards such as ISO 27001, SOC 2, PCI DSS, HIPAA and GDPR.
Choose from three approaches (black box, gray box or white box)
depending on the level of access and depth of analysis you need.
Simulates an external hacker with no prior knowledge of your internal security
Simulates an external hacker with no prior knowledge of your internal security
No prior access, simulating real-world attacks from the outside.
Targets public-facing systems such as websites, applications and APIs.
Tests your ability to block external attacks.
Simulates an insider threat or a compromised user
Simulates an insider threat or a compromised user
Uses limited access such as login credentials or user privileges.
Tests attacker actions after a partial compromise.
Detects internal risks and privilege escalation vulnerabilities.
Provides full access for
deep security analysis
Provides full access for
deep security analysis
Full information provided, including source code, system architecture and documentation.
Finds hidden vulnerabilities faster and
more comprehensively.
Ideal for compliance, secure development and advanced security testing.
Below are just some of the common vulnerabilities we test for. CyStack combines automated tools, in-depth manual analysis and real-world attack simulation to uncover hidden weaknesses and help you strengthen your defenses.
Attackers can bypass login mechanisms or steal session tokens to impersonate legitimate users.
Risk: Unauthorized access, data leakage.
Attackers submit malicious data that tricks the application into running unintended commands on the database or operating system.
Risk: Data loss, system compromise.
Missing or misconfigured permissions let attackers reach restricted areas or escalate their privileges.
Risk: System takeover, data leakage.
Attackers exploit known vulnerabilities in outdated software and unpatched systems to break in.
Risk: Malware infection, system compromise.
Weak API security lets attackers bypass authentication, inject malicious code or tamper with data.
Risk: Account takeover, data leakage.
A lack of internal controls lets attackers move freely across your systems.
Risk: Network compromise, ransomware spread.
Traditional pentests make you wait weeks, or even months, for a final PDF report.
The CyStack security platform notifies you about vulnerabilities the moment they are found, so your team can remediate them in time.
Why this matters: Seeing issues immediately enables a faster response and minimizes your window of exposure.
About CyStack
8+ Years of Deep Cybersecurity Experience
with experts featured in global Halls of Fame
Security Tools Combined With Human Expertise
creating an optimal solution and roadmap that supports your growth
Clear Reports With Concrete Remediation Steps
so your business can proactively track risk and remediate quickly
Real-Time Monitoring Built In
so your business can respond to threats at any moment
Risk-Based Prioritization
to reduce cost and focus testing on what truly matters
Comprehensive Coverage Across Every Risk Type
from network environments to internal applications and software
Our team is honored for its contributions to discovering and responsibly disclosing critical security vulnerabilities in major products and services worldwide
We do not just follow trends, we help shape them. Recognition from the international security community is the strongest assurance of the penetration testing quality you receive
BlackHat USA
BlackHat Asia
XCon focus
T2FI
FIDO APAC
Taiwan CYBERSEC
Track vulnerabilities in real time, manage remediation centrally and integrate easily into your existing workflow
A full list of every vulnerability found, classified from Critical to Informational, with expert remediation guidance
Confirms your system meets industry security and compliance standards, verified through an in-depth assessment
Awarded to systems that pass CyStack's rigorous security assessment for resilience against attacks
