Penetration Testing
— Telecommunications
Manual validation and exploit-focused Penetration Testing. We help Telecommunications-based companies proactively secure their digital assets before attackers strike.
Free Scoping CallTelecommunications Vulnerability Intelligence
Telecom operators manage the backbone of digital connectivity. Compromised telecom infrastructure enables mass surveillance, call interception, and disruption of emergency services.
SS7/Diameter Protocol Exploitation
Legacy signaling protocol vulnerabilities enabling call interception, SMS redirection, location tracking, and two-factor authentication bypass across the global telecom network.
5G Network Slicing Isolation Failures
Insufficient isolation between 5G network slices allowing cross-slice data leakage, resource exhaustion, and unauthorized access to enterprise-dedicated network segments.
SIM Swapping and eSIM Hijacking
Social engineering and API exploitation enabling unauthorized SIM profile transfers, account takeover, and interception of SMS-based authentication codes.
BSS/OSS Platform Vulnerabilities
Business and Operations Support Systems with SQL injection, privilege escalation, and API authorization flaws enabling access to subscriber data and billing manipulation.
Attack Surface
- Core network elements
- BSS/OSS platforms
- Customer self-service portals
- 5G RAN infrastructure
- IoT connectivity platforms
- CDN and edge compute
Mandatory Regulations
Proof-Driven Methodology
Surface Discovery
Attack surface mapping & asset enumeration
Advanced Testing
Manual testing beyond automated scanners
Proven Exploitation
PoC validation for every finding
Solution-Driven Delivery
Remediation code + free retest
Frequently Asked Questions
How is the Penetration Testing schedule determined?
After a preliminary analysis where we map all targets, we calculate the man-day effort and present a finalized schedule.
Do you help remediate the vulnerabilities?
Absolutely. Our report includes specific remediation advice tailored to your tech stack and infrastructure.
Are reports valid as legal compliance documents?
Prepared using globally recognized methodologies (OWASP, NIST), our reports act as formal reference documents for auditors.
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.
Free Retest Guarantee
We retest your fixes for free. Remediation code and developer support included.
Audit-Ready Deliverables
Reports accepted in ISO 27001, PCI-DSS, SOC2, GDPR, and HIPAA audit processes.
Related Service Areas
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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