Defenxor
Jakarta-based managed security service provider (PT Defender Nusa Semesta, CTI Group) running a 24/7 SOC with MDR, threat intelligence and vulnerability management.
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Defenxor is the brand of PT Defender Nusa Semesta (DNS), an Indonesian IT security company founded in August 2015 by Toto Alfian Atmojo (President Director/CEO) and Memet Anwar (CTO). It has positioned itself as a managed security service provider from the start, obtained ISO 27001 certification for its SOC operations in 2016, and joined the Computrade Technology International (CTI) Group in 2017. Its SOC operates from South Jakarta.
The business is organised into three divisions: DIMS (managed security: 24/7 monitoring by analysts, SIEM, vulnerability management, network forensics and a mobile alerting app), DISC (consulting, audits, penetration testing and incident management) and DISI (security integration and appliance resale). Defenxor also publishes Dsiem, an open-source (GPL-3.0) security event correlation engine that turns an ELK stack into a SIEM, which has several hundred GitHub stars.
In 2026 Indonesian press reported that Defenxor achieved SOCRadar’s MSSP Elite certification, the top tier of that vendor’s MSSP programme, and described it as the first Asia Pacific partner to do so, after a partnership that began in 2021. The company uses SOCRadar’s extended threat intelligence platform within its managed services.
Innovation Matrix Assessment
Maintains its own open-source correlation engine (Dsiem) and has integrated external threat intelligence into its service, which is more engineering than a typical regional MSSP shows.
24/7 monitoring, VM, IR and threat intel from a local SOC give Indonesian enterprises in-country managed detection with consulting and integration under one roof.
Backed by CTI Group, one of Indonesia's larger IT distributors/integrators, and recognised by SOCRadar; no disclosed customer counts or revenue.
Standard MSSP model; the open-source SIEM is useful but does not change category economics.
ISO 27001 for SOC operations and a vendor partner certification exist, but no named customers, independent tests or incident case studies were found.
Indonesian data-protection regulation and high attack volumes support sustained demand for local SOC providers.
Why CISOs Should Care
An established in-country 24/7 SOC for Indonesian organisations that need local presence and data residency, with an option to run their own SIEM on the open-source Dsiem engine.
What Makes It Different
Publishes Dsiem, an open-source OSSIM-style correlation engine for ELK, and holds SOCRadar's top MSSP partner tier; part of CTI Group's distribution and integration ecosystem.
The Matrix Verdict
48/100 — EMERGING / UNRANKED
Defenxor is a genuine, long-running Indonesian MSSP with some engineering depth, but its model is conventional and independent outcome evidence is scarce. Scores total 29/60 (48.3), placing it in the Emerging/Unranked tier.
Editorial Note: Claims vs. Verified Findings
Independently verifiable: the Dsiem GitHub repository, the 2015 founding and 2017 CTI Group affiliation described in a university internship report, and press coverage of the SOCRadar MSSP Elite certification (which itself relays a vendor-partner statement). Vendor claims: that its SOC is among the largest in Indonesia and that it was the first APAC MSSP Elite partner. No funding, customer or headcount data is published; press reports differ on the date of the Elite status (2025 vs 2026).
Sources
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