Teams at SISA Information Security Pvt Ltd

Prepares accurate customer invoices using the correct legal entity and approved commercial terms. Reviews contracts and commercial documents, tracks billing milestones, identifies missing documentation, expired contracts, disputes, and billing holds, and coordinates with Sales and Delivery to resolve issues. Processes authorized credit and debit notes while maintaining documentation for invoice cancellations and amendments. Escalates deviations from contractual terms to the Revenue Manager.

Conduct penetration testing and secure code reviews across web, mobile, API, and thick-client applications. Identify and exploit OWASP Top 10, SANS CWE Top 25, and business logic vulnerabilities using manual and automated techniques. Communicate project status, support remediation with development and product teams, retest fixes, and follow up on unresolved vulnerabilities. Lead report walkthroughs with stakeholders and apply relevant security standards.

Perform network security assessments, including port scanning, service enumeration, vulnerability validation, basic exploitation, and manual false-positive reduction. Analyze network vulnerabilities, assess risk using CVE and CVSS, and document technical findings with evidence, impact, and remediation recommendations. Apply network security standards, frameworks, and threat models. Preferred experience includes scripting, firewall reviews, Active Directory, PCI DSS, ISO 27001, and related compliance benchmarks.