Web & API Penetration Testing Services
Exploit-driven testing for business-critical endpoints, auth, and data flows.
- OWASP Top 10 + real abuse cases
- Authorization and multi-tenant review
- Proof of impact with safe constraints
Services Clear scope • Clear deliverables • Clear outcomes
Cybersecurity services for applications, cloud, consulting, compliance, and incident readiness.
Lex delivers penetration testing services, VAPT, security consulting, cloud security assessments, network penetration testing, incident response readiness, and compliance programs that reduce risk without slowing engineering.
Core services
Pick one service or combine them into a continuous security program.
Cloud Security Assessments & IAM Hardening
Hardening and least-privilege patterns for cloud identity, infrastructure, and CI/CD.
- IAM role review and rightsizing
- Secure baseline for services and networking
- Terraform/CI guardrails (where required)
Security Hardening & Architecture Review
Configuration and architecture reviews to remove fragile, high-risk patterns.
- Secrets handling and token lifecycle
- SSO, MFA, session controls
- Secure SDLC checkpoints
Monitoring & Detection Engineering
Turn logs into usable signal with tuned alerts and clear ownership.
- Log coverage mapping
- Use-case driven detections
- Alert tuning and runbooks
Incident Response Services & Tabletop Exercises
Playbooks and drills so incident response is calm, fast, and measurable.
- Tabletop exercises
- IR roles, comms, and escalation paths
- Post-incident hardening roadmap
Compliance Readiness & Security Audit Support
Translate controls into engineering reality: evidence, cadence, ownership, and audit support.
- SOC 2 / ISO 27001 readiness (controls + evidence)
- Evidence maps and templates
- Fintech: audit trails for AML/KYC workflows
Specialized cybersecurity engagements
Focused pages for the cybersecurity services buyers search for most often.
Web application penetration testing
Auth, session, business-logic, admin workflow, and sensitive data-flow testing.
API penetration testing
API authorization testing, token review, rate limits, and multi-tenant isolation checks.
Vulnerability assessment and penetration testing
Coverage plus exploit validation so remediation is prioritized by real business risk.
Cloud security assessment
Cloud posture, IAM hardening, secrets review, and high-signal logging coverage.
Security audit services
Technical security review for applications, cloud, IAM, logging, and compliance evidence.
Incident response readiness services
Playbooks, tabletop exercises, coverage checks, and clear escalation paths.
Cybersecurity consulting
Security consulting for architecture reviews, hardening priorities, and ongoing advisory support.
Network penetration testing
Internal network testing for exposed services, lateral movement, segmentation, and privilege escalation.
Mobile application security testing
Android and iOS testing for token storage, transport security, API trust, and mobile auth flows.
Compliance, AML & regulated environments
We help teams map controls to real systems, ship remediations that stand up to audit, and build reliable evidence. For fintech teams, that includes auditability and security controls around AML/KYC operations.
Major audit programs
- ISO/IEC 27001, 27017, 27018, 27701
- SOC 2 (Type I / Type II)
- PCI DSS
- ISO 22301 (business continuity)
AML/KYC workflow security
- Audit trails for onboarding, KYC, and risk decisions
- Role-based access, approvals, and segregation of duties
- PII protection and data minimization
- Monitoring for account takeover and fraud paths
NIST CSF
CIS Controls
OWASP ASVS
MITRE ATT&CK
Lex supports readiness and control implementation; certification and attestation are completed by your chosen auditor or certification body.
What you get
The output is designed to be immediately actionable for leadership and engineering.
Engineering package
- Repro steps and impact evidence
- Fix guidance and secure patterns
- Regression checklist (and tests where appropriate)
Executive package
- Risk narrative and prioritization
- Roadmap with owners and timelines
- Clear scope and assumptions
Not sure what you need?
Tell us your stack and your biggest concern. We'll recommend the smallest engagement that gets you clarity and momentum.
FAQ
A few common questions about Lex engagements.
How long does a penetration test take?
Typical engagements run 1 to 3 weeks depending on scope, environments, and required retesting. We confirm timeline during kickoff after scoping.
Do you provide remediation support and retesting?
Yes. We provide fix guidance and can validate remediation for critical findings. Retesting can be scheduled as part of the engagement.
What deliverables do we get?
You receive a prioritized report with evidence and remediation guidance, plus an executive summary and a roadmap your team can execute.
Can you support clients globally?
Lex supports teams across time zones and can deliver engagements remotely for clients in India, the USA, Europe, and Australia.
Do you sign NDAs and handle sensitive data?
Yes. We can sign NDAs and align on data handling requirements as part of scope and access planning.