Cybersecurity for:
Telecommunications

Why is telecommunications a target for cyberattacks?

Telecom operators are critical infrastructure upon which the entire digital economy relies. An attack on an operator does not just affect one company — it paralyzes communication for millions of users, disrupts alarm systems, mobile banking, and IoT. State-sponsored APT groups (e.g., Salt Typhoon) treat telco infrastructure as a strategic intelligence target, enabling mass surveillance and communications interception.

Simultaneously, 5G network deployment and Network Function Virtualization (NFV) introduce new attack vectors that traditional security measures do not cover.

Sector-specific challenges

SIM swapping and number hijacking

SIM swapping is an attack where a criminal socially engineers an operator into transferring a victim’s number to a new SIM card. A hijacked number provides access to SMS 2FA codes, enabling theft from bank accounts and social media account takeovers. This problem affects both individual customers and corporate employees.

5G architecture security

5G architecture based on containers, microservices, and network slicing creates new attack surfaces. API interfaces between core network components (AMF, SMF, UPF), vulnerabilities in the GTP protocol, and potential network slicing attacks require specialized security expertise.

DDoS attacks on network infrastructure

Operators repel thousands of DDoS attacks monthly. Volumetric attacks can exceed hundreds of Gbps, targeting both operator services and enterprise client infrastructure using dedicated links.

How nFlo helps telecom operators

• Security audits — network infrastructure, core network, and BSS/OSS system security assessment
• SOC as a Service — 24/7 monitoring with telco infrastructure attack detection
• Penetration testing — testing 5G interfaces, APIs, and operator systems

Key first steps

1. 5G security audit — core network architecture assessment for new attack vectors
2. SIM swapping protection — implement verification procedures and alerts
3. Network slicing segmentation — slice isolation and inter-segment traffic monitoring
4. Anti-DDoS — multi-layer protection of infrastructure and client services

Schedule a free consultation — we will discuss the security of your telecommunications infrastructure.

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• Cybersecurity for Media & Entertainment
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