In today’s interconnected world, telecom security is crucial for sustaining connectivity. You may question why cybersecurity is so important in the telecom sector. Cyberattacks pose a risk to all industries, but the telecom sector is particularly vulnerable for several reasons.
Certcube Labs provides complete Telecom Network Security solutions to protect against increasing threats to telecom networks. Our strategy includes comprehensive examinations, extensive reporting, bug reviews, and standardized ratings.
Certcube Labs, founded in 2018, has vast experience working across several networks. This includes web, mobile, and internet applications, as well as various tools. We stay on top of evolving cyber dangers and can identify prospective assaults for organizations like yours. Our security testing methodologies have been refined through years of experience, resulting in highly effective penetration testing approaches.
Rapid growth in the telecom business, particularly in developing regions such as Asia, Africa, and South America, has resulted in increased network expansion, value-added services, and complexity.
Security is often overlooked in favor of market development and cost reduction. Cybercriminals are attacking telecom infrastructure, especially as IP-based systems like LTE become more prevalent.
Carriers face major challenges due to rigorous telecom security rules. Our experience with telecommunications firms shows that some security concerns can be resolved, while others remain threats until cost-effective solutions are discovered. Certcube Labs is committed to tackling security challenges and enhancing telecom network security.
RISKS
“Why does cybersecurity play such a critical role in the telecom sector?” you may wonder. While it is true that the risk of cyberattacks transcends numerous businesses, the telecom sector faces special vulnerability for several convincing reasons.
- Securing Sensitive Customer Data: Telecom firms handle a large amount of sensitive consumer data, ranging from financial information to call logs. If bad actors gain access to this repository, they have the ability to commit fraud, identity theft, or even coerce individuals or businesses.
- Ripple Effects of Data Breaches: Given the telecom industry’s interconnectedness, a data breach in one organization can have far-reaching consequences. This domino effect disrupts services for numerous clients and incurs significant expenditures for organizations. In some circumstances, it might even jeopardize national security.
- Attractiveness to Threat Actors: As a crucial infrastructure sector, telecom becomes an interesting target for state-sponsored attackers looking to disrupt services or exfiltrate data. Their access to large amounts of sensitive data, including customer call records, text messages, and location information, encourages operations like intelligence collection and corporate espionage. The increasing frequency and sophistication of these assaults highlight the critical need for telecom businesses to prioritize cybersecurity.
- Exposure to “Supply Chain Attacks”: The telecom industry is also vulnerable to “supply chain attacks,” which target vendors or third-party service providers in an attempt to compromise a company’s systems and data. Prominent incidents such as the SolarWinds attack, which impacted big enterprises and government agencies, highlight the need for increased vigilance.
CHALLENGES
Telecom enterprises serve as the backbone of global connectivity, managing vast amounts of sensitive data and critical communication infrastructures. However, this pivotal role also makes them prime targets for sophisticated cyberattacks
- Advanced Persistent Threats (APTs) : Advanced Persistent Threats (APTs) are sophisticated cyber attacks designed to steal data and disrupt operations. APTs, often sponsored by nation-states or well-funded criminals, have become increasingly common in the telecommunications sector.
- DDoS Attacks : DDoS attacks are designed to overwhelm a network with excessive traffic, making it inaccessible to legitimate users. DDoS attacks are a common type of attack used by hackers in the telecommunications sector.
- Supply chain risks : External companies, including vendors, web hosting services, data management providers, managed service operators, and partners, play significant roles in the telecom business. If third parties have cybersecurity holes, hackers can utilize them to get access to the telecom network. The importance of the supply chain cannot be overstated, as even one weak link can lead to severe harm from unscrupulous actors.
- SS7 and diameter signaling threats : The vulnerability of SS7 and other protocols used by telecom providers is clear. Cybercriminals who obtain two-factor authentication tokens through phishing can leverage this vulnerability to access user accounts and steal valuable data. Implementing appropriate controls can reduce the likelihood of breaches, but some firms fail to do so, leaving their systems vulnerable.
TELCO SEC
We specialize in telecom signaling security testing, covering protocols like SS7, Diameter, GTP, and HTTP/2. We secure your network by identifying vulnerabilities, conducting penetration testing, and analyzing traffic. We offer customized solutions, advanced testing, and compliance to minimize risks and enhance security.
SS7 Security Assessment Key Testing Areas :-
Network Mapping via TCAP Vulnerabilities: Using Leveraging Transaction Capabilities Application (TCAP) vulnerabilities to create a thorough network topology and identify important infrastructure components.
Global Title (GT) and Subsystem Number (SSN) Enumeration: Systematic network exploration reveals hosted Global Titles and Subsystem Numbers, highlighting potential attack pathways.
Traffic Interception through Fake USSD Requests: Evaluating the network’s resilience against unauthorized USSD request injections, which could result in data loss or service manipulation.
SMS Spam and Flooding Attacks: Assessing vulnerability to SMS-based spam operations that may disrupt services or facilitate phishing attempts.
Denial of Service via Multiple InitDP Requests: To test network stability, exploit signaling issues in which repeated Initial Detection Points (InitDP) can overwhelm and impair essential services.
Call Interception and Information Leakage: Identifying vulnerabilities that could allow attackers to intercept calls and access important subscriber information, jeopardizing user privacy.
GTP Security Assessment Key Testing Areas:-
- Tunnel construction with Create PDP/Session Message.
- Use TEID to delete and redirect tunnels.
- Obtaining current session keys from SGW and implementing Denial of Service for 2G/3G/4G data services.
Diameter Security Assessment Key Testing Areas:-
- Authentication and Location Tracking via APN Updates: looking into the possibility that hackers could use weak APN updates to monitor subscriber whereabouts or steal authentication information.
- Denial of Service (DoS) Attacks: Evaluating the network’s ability to withstand denial-of-service (DoS) attacks that target Diameter signaling, which have the potential to disrupt vital services and negatively affect subscriber experience.
- Subscriber Profile Leakage: locating weaknesses that might compromise security and privacy by allowing subscriber profile information to be exposed without authorization.
- Prepaid to Postpaid Conversion Exploits: Assessing the possible dangers of unlawful prepaid to postpaid service conversion, which may result in billing fraud or illegal access to premium services.
- Stealing Authentication Parameters: Assessing the potential for attackers to steal authentication credentials, compromising the integrity of user authentication and access control within the network.
- Location Tracking of 4G Subscribers: Investigating vulnerabilities that may allow attackers to track the location of 4G subscribers through unsecured Diameter exchanges.
- Traffic Interception Using A PN Updates: Evaluating the risks of intercepting traffic through vulnerabilities in APN updates, which could allow attackers to eavesdrop or alter user data.
- Denial of Service (DoS) Attacks: Identifying weaknesses that could be exploited to launch DoS attacks on Diameter signaling, disrupting critical network functions and services.
- Subscriber Profile Leaks: Testing for vulnerabilities that could lead to unauthorized leakage of subscriber profile information, compromising user privacy and security.
- Prepaid to Postpaid Conversion Exploits: Assessing risks associated with fraudulent conversion from prepaid to postpaid services, potentially resulting in billing fraud and unauthorized service access.
HTTP/2 Security Assessment Key Testing Areas:-
- NF Repository Function (NRF): Evaluating the security of the Network Function (NF) Repository, a critical component in managing and storing network functions, ensuring it is resilient to unauthorized access and manipulation.
- AMF (Access and Mobility Management Function): Assessing the AMF’s robustness in handling access and mobility management, which is essential for managing user connections and mobility in the network, ensuring its security against potential exploits.
- Session Management Function (SMF): Investigating the security posture of the SMF, responsible for managing sessions within the network, and ensuring protection against session hijacking or malicious session manipulations.
- Unified Data Management (UDM): Conducting thorough testing of the Unified Data Management function, ensuring that subscriber and service data is securely handled, minimizing the risk of data leaks or unauthorized access.
- Unified Data Repository (UDR): Assessing the Unified Data Repository’s security, which consolidates subscriber and service data, to ensure proper encryption, access control, and protection against data breaches.
5G Security Testing Key Testing Area :
5G Core API Security: Assessing the security of 5G Core APIs to ensure robust
protection against unauthorized access, data breaches, and exploitation of API
endpoints.
5G Core Route Security: Evaluating the integrity of routing protocols within the 5G
Core to prevent malicious manipulation, redirection, and unauthorized network
access.
Routing Security for the Implementation of Internal Networks: Ensuring the secure implementation and operation of internal network routing, protecting sensitive data and preventing unauthorized traffic manipulation within the 5G Core.
Changing GUTI Frequency: Analyzing the vulnerabilities associated with the
frequency of the Globally Unique Temporary Identifier (GUTI), which could be
exploited to track subscribers or hijack sessions.
RAN Site Infiltration: Testing the security of Radio Access Network (RAN) sites to
detect potential entry points for attackers to compromise the 5G Core through
physical or network based infiltration.
Use of SUPI/SUCI: Investigating the secure handling of Subscriber Permanent
Identifier (SUPI) and Subscriber Unique Converged Identifier (SUCI) to prevent
identity leaks and unauthorized tracking of subscribers.
Exploitation of NEF: Assessing the security of the Network Exposure Function (NEF)
to identify weaknesses that could allow attackers to exploit network services and
compromise the overall security of the 5G ecosystem
VOLTE Security Assessment Key Testing Areas:-
- IMS and SIP Security: Evaluating the security of the IMS architecture and SIP (Session Initiation Protocol) signaling to ensure protection against unauthorized access, eavesdropping, and message manipulation, which could compromise voice services and user privacy.
- Diameter and SS7/SIGTRAN Security: Assessing the security of Diameter, SS7, and SIGTRAN protocols used in VoLTE for signaling, ensuring the integrity of subscriber data, authentication, and network traffic to prevent exploitation and interception of sensitive information.
- VoLTE Authentication and Encryption: Analyzing the robustness of authentication and encryption mechanisms within the VoLTE network, ensuring secure call setup, preventing impersonation, and safeguarding the confidentiality of voice traffic.
- Interconnection and Roaming Security: Testing the security of interconnection and roaming interfaces, which are critical for ensuring secure communication between different operators’ networks and preventing threats related to fraud, interception, and unauthorized access during roaming.
GSM/3G Core Network Security Assessment Key Testing Areas:-
- SS7 Signaling Security: Assessing the security of the SS7 signaling protocol, which is used for inter-network communication, to identify vulnerabilities that could allow attackers to intercept calls, track location, or launch denial-of-service attacks.
- Authentication and Encryption Mechanisms: Evaluating the strength of authentication and encryption protocols employed in GSM/3G networks to protect sensitive user data, prevent unauthorized access, and ensure secure communication.
- Network Access Control: Analyzing the access control mechanisms that regulate the flow of traffic within the GSM/3G network to prevent unauthorized entities from gaining access to critical network infrastructure and user data.
RAN Security Assessment Key Testing Areas:-
- Identity Impersonation (2G Free Calls): Identifying vulnerabilities that allow attackers to impersonate valid users and make unauthorized calls in 2G networks, potentially leading to fraud and service disruption.
- Making and Receiving Calls for Other Users: Testing for weaknesses that enable attackers to make or receive calls on behalf of other users, potentially exposing private communication and compromising user privacy.
- Sending and Receiving SMS on Behalf of Other Users: Assessing the potential for SMS-based attacks, where attackers could send or receive text messages on behalf of other users, leading to privacy breaches, phishing, or financial fraud.
- Voice and Data Encryption Algorithms (2G, 3G, 4G): Evaluating the strength and integrity of encryption algorithms used in voice and data transmission across multiple generations of mobile networks to prevent eavesdropping and interception.
- Integrity Protection Algorithm for 3G and 4G: Testing the effectiveness of integrity protection algorithms in preventing malicious alterations to the signaling messages and maintaining data authenticity in 3G and 4G networks.
- Randomization of Padding for 2G (3GPP Compliance): Ensuring the use of secure padding techniques in 2G communications, in line with 3GPP standards, to protect data integrity and prevent potential cryptographic attacks.
SIM card Key Testing Areas:
- Premium Number Fraud: Investigating the potential for SIM-based fraud through unauthorized premium number dialing, which could result in financial loss and network misuse.
- Location Tracking: Assessing vulnerabilities that could allow attackers to track the physical location of subscribers via SIM-based tracking methods, posing significant privacy risks.
- Subscriber Spying: Evaluating the risk of SIM-based surveillance, where unauthorized access to subscriber communications could lead to privacy violations and data breaches.
- Data Injection: Identifying weaknesses in SIM systems that could allow attackers to inject malicious data, potentially compromising the device and its communicationwith the network.
- Denial of Service (DoS): Examining the susceptibility of SIM cards to DoS attacks that could disrupt services, rendering the subscriber unable to access critical network resources.
- Call Rerouting: Testing for vulnerabilities that could allow malicious actors to reroute calls or messages, leading to unauthorized access or interception of sensitive communication.
WHY US ?
Comprehensive Expertise in Telecom Technologies
Certcube Labs excels in securing telecom technologies across 2G, 3G, 4G, and 5G networks. Our specialized team has developed advanced penetration testing and auditing tools for various telecom network interfaces, including the Air Interface, Backhaul Interface, Core Network, and Roaming Interface. We also offer user- friendly automation tools for security testing, accessible even to professionals with limited security knowledge.
Detailed Reporting and Effective Conflict Resolution
Certcube Labs excels in securing telecom technologies across 2G, 3G, 4G, and 5G networks. Our specialized team has developed advanced penetration testing and auditing tools for various telecom network interfaces, including the Air Interface, Backhaul Interface, Core Network, and Roaming Interface. We also offer user-friendly automation tools for security testing, accessible even to professionals with limited security knowledge.
Innovation Through Research and Industry Collaboration
Innovation drives Certcube Labs. Our cutting-edge telecom research lab benefits
from our GSMA Associate Membership and active involvement in the Fraud &
Security Group. Our senior experts have presented research at prestigious security
conferences such as Black Hat, Nullcon, and C0c0n.
Proven Success in Telecom Security Engagements
Certcube Labs has successfully conducted signaling security penetration tests as a
Roaming Partner, audited signaling network elements, and developed strategies to
mitigate attacks using existing infrastructure. We empower telecom NOC and SOC
teams with critical threat monitoring insights and expertise in Diameter Security
testing, firewall deployment, messaging filtering, and continuous penetration testing.