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QuassrCyberTech is an enterprise cybersecurity firm serving organisations in India and globally, particularly those operating in regulated industries. Its work spans cybersecurity consulting, offensive security, managed defense and security engineering, helping clients strengthen resilience and address regulatory requirements. The company supports frameworks and obligations including RBI and SEBI requirements, IRDAI guidelines, the DPDP Act, CERT-In directions, ISO 27001, SOC 2 and ISO/IEC 42001.

Its services include security strategy, architecture reviews, virtual CISO support, risk and compliance assessments, web, mobile and API penetration testing, red-team exercises, cloud and Kubernetes security, infrastructure hardening, managed SOC operations, incident response, threat hunting and cyber threat intelligence. QuassrCyberTech also offers testing for LLM and AI systems, alongside security research and attack-surface monitoring.

The company develops and operates platforms including QStellar for cyber-risk and regulatory assessment, QPulse for threat intelligence published in eight Indian languages, and QRGT for continuous penetration testing. Its six-stage methodology links strategy, evaluation, testing, engineering, response and ongoing improvement, with one team delivering engagements across these practices.