Application security testing
Manual web, mobile, and thick-client assessment focused on business logic, authorization, injection, and exploitable chains.
View serviceIndependent offensive security
Find the weakness before they do.
ZDayLabs helps teams expose and remove exploitable paths across applications, APIs, cloud, and infrastructure - before they become incidents.
Focused, independent assessments with remediation and retesting.
01$ map attack_surface
02$ trace trust_boundaries
03$ validate real_world_impact
04$ prioritize remediation
Application layerASSESSED
Identity & accessASSESSED
Cloud controlsASSESSED
Exploit pathsVALIDATED
Built for teams shipping critical systems
Applications
APIs
Cloud & infra
Secure releases
Security services
Offensive depth. Defensive outcomes.
Every engagement is designed around the systems that matter, the attacks most likely to work, and the fixes your team can act on.
API security assessment
Deep testing of REST, GraphQL, and service-to-service APIs for broken authorization, unsafe data flows, and abuse paths.
View serviceInfrastructure & cloud security
Assess external exposure, identity boundaries, cloud configuration, network paths, and routes to sensitive workloads.
View serviceSecure code & architecture review
Targeted source review and threat-led architecture analysis before high-risk features or major releases reach production.
View serviceAdversary simulation
Controlled, objective-driven testing that measures how preventive and detective controls hold up against realistic attack paths.
View serviceVulnerability validation
Independent exploitability analysis for disputed findings, emerging CVEs, inherited risk, and remediation verification.
View serviceHow we work
A clear path from scope to safer systems.
Testing is only useful when your team understands what is exposed, why it matters, and exactly what to do next.
Model the risk
Define critical assets, trust boundaries, likely adversaries, constraints, and the outcomes that would hurt most.
Test like an attacker
Combine manual analysis, targeted tooling, code knowledge, and exploit-chain research to uncover meaningful paths.
Prove impact safely
Validate findings within agreed rules of engagement, minimize operational risk, and capture evidence your team can trust.
Fix and verify
Deliver prioritized remediation guidance, walk engineers through root causes, and retest fixes where included.
Evidence, not theatre
Research that sharpens every assessment.
ZDayLabs’ public work includes vulnerability discovery and deep technical analysis across Java deserialization, authentication, file handling, JDBC, and enterprise software.
Browse all researchCVE-2025-10492 · JasperReports
JRLoader deserialization leading to remote code execution.
CVE-2025-6216 · TrackPlus Allegra
Authentication bypass with practical impact analysis.
CVE-2025-60785 · IceScrum
Remote code execution through JDBC injection.
CVE-2025-60786 · IceScrum
Zip Slip in project import and unsafe archive handling.
CVE-2025-11466 · TrackPlus Allegra
Arbitrary file disclosure in an enterprise application.
Ready when you are
Secure the path attackers would take.
Share the system, release, or security question you need assessed. We’ll shape a focused engagement around the risk.