EresusSecurity

Red Team Operations
— Financial Services

Offensive security testing customized for Financial Services risk profiles. Uncover critical vulnerabilities with our dedicated Red Team Operations experts.

Free Scoping Call

Financial Services Vulnerability Intelligence

Banks, fintechs, and financial institutions handle the most sensitive data in the digital economy. A single compromised API endpoint can expose millions of customer records and trigger regulatory penalties exceeding $100M.

The risks our real-world Red Team Operations engagements have found around Financial Services:

Business Logic Flaws in Transaction Processing

Relevant to Red Team OperationsHigh

Race conditions and logic errors in concurrent transaction processing that enable double-spending, negative balance exploitation, and fee bypass.

Broken Object-Level Authorization (BOLA)

CriticalCVE-2023-34362

API endpoints exposing financial data through manipulable object references, allowing attackers to access other customers' account balances, transaction histories, and PII.

Insecure Direct Object Reference in Payment APIs

CriticalCVE-2024-3400

Payment processing endpoints vulnerable to IDOR attacks enabling unauthorized fund transfers, invoice manipulation, and payment redirection.

JWT Token Forgery and Session Hijacking

HighCVE-2022-23529

Weak JWT implementations in banking applications allowing token signature bypass, session fixation, and account takeover through algorithm confusion attacks.

Attack Surface

  • Core banking APIs
  • Mobile banking apps
  • Payment gateways
  • Trading platforms
  • Open banking integrations
  • ATM networks

Mandatory Regulations

PCI-DSSSOXGLBAPSD2DORABasel III IT Risk

Proof-Driven Methodology

01

Asset Recon

Attack surface mapping & asset enumeration

02

Risk Modeling

Penetration testing beyond automated scanners

03

Exploit Chaining

PoC validation for every finding

04

Quality & Reporting

Remediation code + free retest

Frequently Asked Questions

What is your average lead time?

Once the contract is signed and the scope is clear, we typically begin testing within 3 to 5 business days.

Will our systems experience downtime?

No. We employ safe-exploitation methodologies that protect business continuity.

How does the free re-test process work?

If you patch the reported vulnerabilities within 30 days, we provide an additional round of manual verification at no extra cost.

Why Eresus Security?

Proof-Driven Reporting

Every finding is validated with a real exploit. No scanner noise — only proven risks.

Offensive Security Expertise

Specialized team in AI security, API pentesting, Red Team operations, and cloud security review.

Retest Support

Fixes are revalidated within the agreed engagement scope. Remediation guidance and developer-friendly notes are included.

Evidence-Ready Deliverables

Report format designed to support internal review, remediation tracking, and evidence-oriented workflows.

Validate Your Security Posture

Don't rely on scanner outputs. We execute the same techniques real attackers use — in a controlled environment, for you.

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