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Home/Case Studies/Attack Surface Assessment for a Leading Securities Firm
Attack Surface Management
SecureNexus Perimeter
Leading Securities Firm

Attack Surface Assessment for a Leading Securities Firm

Deployed SecureNexus Perimeter to map the securities firm's entire external digital footprint, identifying exposed trading infrastructure, misconfigured APIs, and compliance gaps against SEBI CSCRF requirements.

Key Impact

1,800+ Assets Mapped

The Challenge

What They Were Facing

A leading securities firm operating trading platforms, depository services, and investor portals needed to comply with SEBI's Cybersecurity and Cyber Resilience Framework (CSCRF). Their external attack surface had grown organically with multiple trading platforms, market data feeds, and partner API integrations, none of which had been comprehensively inventoried.

Trading infrastructure spread across multiple data centers with no unified asset view.

SEBI CSCRF mandating comprehensive external security assessments.

Market-facing APIs and data feeds exposed without security baseline validation.

The Solution

How We Solved It

SecureNexus Perimeter was deployed for continuous external attack surface discovery and monitoring. The platform mapped all internet-facing trading infrastructure, identified exposed APIs, and correlated findings against SEBI CSCRF control requirements, giving the firm's CISO actionable, risk-prioritized remediation plans.

Trading Infra Scan

Exchange-facing asset discovery

SEBI CSCRF Mapping

Findings aligned to regulatory controls

API Exposure Audit

Market data & partner API risk assessment

Results

Measurable Impact

Quantified outcomes from this engagement.

1,800+ Assets

Full Digital Footprint

SEBI CSCRF

100% Compliance Coverage

47 Critical

Findings Remediated

1,800+Assets Mapped

Complete inventory of internet-facing trading infrastructure, portals, and API endpoints.

100%SEBI CSCRF Coverage

All external assessment requirements under SEBI CSCRF addressed and documented.

“Perimeter gave us complete visibility into our trading infrastructure's external exposure. The SEBI CSCRF alignment was exactly what our compliance team needed for the upcoming audit.”
H

Head of Information Security

Leading Securities Firm

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