Voice over IP (VoIP) Penetration Testing Assesment

Voice over Internet Telephony Protocol (VoIP) is a technology that provides advanced and efficient communication solutions. We made it More Secure for you.

What is VoIP ?

Voice over Internet Protocol, commonly known as VoIP, is a technology that allows voice communication and multimedia sessions over Internet Protocol (IP) networks, such as the internet. This technology is a significant shift from traditional circuit-switched telephony and utilizes packet-switched protocols for communication, enabling features like voice calls, video conferencing, and file sharing. VoIP is widely used because it can be more cost-effective than traditional phone systems, especially for long-distance and international calls. It also offers greater flexibility as users can make and receive calls from anywhere with an internet connection, using devices like computers, smartphones, or VoIP-specific phones. Additionally, VoIP integrates with other services available over the internet, including video calls, message or data file exchange, which makes it a versatile tool for personal and business communication.

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VoIP (Voice over Internet Protocol) has become important for businesses and hence a good option for the attacker to exploit whenever left unprotected. Unlike other IT infrastructure, VoIP is also subjected to risks like interception, caller ID spoofing, Denial of Service (DoS) etc.

VoIP security is not only about call encryption, it is the level of trust that's conveyed over the text and voice network. If it is compromised, it can become a huge threat by carrying out more attacks. A VoIP security assessment is a manual assessment of the security of the VoIP infrastructure. It identifies the vulnerability in the VoIP system to reduce the risk of financial loss or unauthorized access.

Know your VoIP security risks

VoIP technology combines voice and data networks in a single platform operated via the internet, which offers numerous benefits. But organizations must be aware of vulnerabilities inherent in the technology to use it effectively.

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Vishing :

A VoIP-related risk that’s hard to prevent, vishing involves exploiting sensitive information from individuals through identity spoofing.

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Denial of Service (DoS) :

DoS attacks often target high-profile entities like banks or government agencies, disrupting their networks and blocking VoIP calls.

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Viruses and Malware :

VoIP systems, operating on softphones, are vulnerable to malware and viruses that can compromise the system and breach user privacy.

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Phreaking :

Hackers use phreaking to exploit VoIP systems and manipulate sensitive financial data, leading to excessive charges.

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Eavesdropping :

Hackers may infect business calls with malware to access and monitor audio streams, risking sensitive information.

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Spam Over Internet Technology :

Voice spam, which uses internet protocols to send unsolicited messages, can flood voicemail boxes and prevent legitimate messages from getting through.

Methodology

1. Targeted Penetration Test :

Conduct a focused penetration test on the organization’s VoIP network to identify vulnerabilities that could enable unauthorized calls, conversation interception, or attacks on the corporate network.

2. Network Traffic Analysis :

Analyze the network traffic between handsets and the VoIP controller during calls to detect vulnerabilities that might allow eavesdropping or malicious traffic injection. This provides insight into potential access levels for a malicious insider with access to a registered handset.

3. Automated and Manual Testing :

Our consultants will perform the following assessments to ensure secure deployment and configuration of your VoIP infrastructure:

4. Manual Inspection :

Inspect network traffic during VoIP calls to ensure encryption, preventing interception or eavesdropping. Perform a configuration review of your Call Manager, Session Border Controller (SBC), and handsets to ensure comprehensive security for your voice communications.

Key Benefits of VoIP Testing

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Identify vulnerabilities

Detects vulnerabilities and flaws in VoIP systems by pinpointing security gaps and deficiencies in network structure, protocols, and system configurations.

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Provide Insight

Helps identify potential threats to communication, ensuring that organizational processes remain secure and undisturbed.

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Protect Against Voice Phishing

Supports organizations in defending against voice phishing, implementing comprehensive protection measures for VoIP channels to guard against voice-related scams.

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Improve Security

Examines the entire VoIP communication system for security gaps and aids organizations in strengthening their security posture.

Experience & Certificate

Our multi-disciplined team holds a broad range of knowledge and skills and holds a number of certifications in order to demonstrate their capability and experience.

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What Client’s Say About Us

What Client’s Say About Us

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Frequently asked questions about infrastructure pentesting

  • A penetration test, often called a pen test, is a simulated cyberattack on a computer system, network, or web application to identify security vulnerabilities that could be exploited by malicious hackers.

Penetration Test (Pen Test)

  • Purpose: Simulates real-world attacks to identify and exploit vulnerabilities.
  • Scope: Comprehensive, often includes manual testing and creative attack strategies.
  • Outcome: Detailed report with exploited vulnerabilities, potential impacts, and remediation steps.
  • Frequency: Typically conducted periodically (e.g., annually or biannually).
  •  

Vulnerability Scan

  • Purpose: Automatically identifies known vulnerabilities in systems and applications.
  • Scope: Broad, automated scans that check for known issues using databases of vulnerabilities.
  • Outcome: Generates a list of detected vulnerabilities with severity ratings.
  • Frequency: Often performed regularly (e.g., monthly or quarterly).

In essence, a pen test is more thorough and simulates actual attacks, while a vulnerability scan is a quicker, automated check for known issues.

Penetration tests are typically performed by ethical hackers or security professionals known as penetration testers or pen testers. These individuals have specialized skills and knowledge in cybersecurity and ethical hacking. They may work for:

  • Cybersecurity firms: Companies that specialize in providing security services.
  • In-house security teams: Larger organizations often have their own dedicated security teams.
  • Freelancers: Independent security consultants who offer their services on a contract basis.

Pen testers use a variety of tools and techniques to simulate attacks and identify vulnerabilities, helping organizations strengthen their security posture.

A penetration test typically involves several key steps to thoroughly assess the security of a system. Here are the main phases:

1. Planning and Scoping
2. Reconnaissance
3. Scanning
5. Exploitation
6. Post-Exploitation
7. Reporting

Penetration testing is a critical component of cybersecurity, involving a systematic approach to identify and address vulnerabilities in a system. The process typically begins with planning and reconnaissance to gather information about the target. Then, testers scan the system, identifying and exploiting vulnerabilities using a mix of automated tools and manual techniques. The final steps involve analyzing the results, reporting the findings, and providing recommendations for strengthening the system’s security. This methodical process ensures that security measures are not only in place but also effective against potential cyber threats.

Penetration testing tools are essential for identifying and addressing security vulnerabilities in various systems. Some of the most commonly used tools include Metasploit, known for its exploit development and testing framework, and Astra, which is favored for its diverse infrastructure assessment capabilities. Acunetix is often chosen for automated testing, while Kali Linux is preferred by technical users for its comprehensive suite of testing tools. These tools, among others, provide cybersecurity professionals with the means to conduct thorough and effective security assessments.

The duration of a penetration test can vary widely depending on several factors, including the scope of the test, the size of the environment, and the specific goals set by the organization. Generally, a typical penetration test can take anywhere from one to six weeks. This includes all stages of the process, from planning and execution to analysis, documentation, and the presentation of findings. It’s important to note that these are general estimates, and the actual time may differ based on the complexity of the systems being tested and the depth of the test required.

Penetration testing is a critical security measure that should be performed regularly to protect against evolving cyber threats. The frequency of penetration testing can vary based on several factors, including the nature of your organization, its risk profile, and any applicable regulatory or compliance requirements. Generally, it is recommended to conduct penetration tests at least once a year, but more frequent testing may be necessary for high-profile or high-value organizations. Additionally, retesting should be carried out after any significant changes to your IT environment or when new vulnerabilities are discovered.

Penetration Testing as a Service (PTaaS) is an innovative cybersecurity solution that blends automated tools with human expertise to conduct thorough vulnerability assessments. This service model allows for continuous and dynamic security testing, integrating seamlessly into the software development lifecycle. PTaaS platforms offer a more efficient and flexible approach to identifying and mitigating potential security threats, enabling organizations to rapidly deploy tests and address vulnerabilities with expert guidance.

Utilizing a CREST accredited penetration testing company is crucial because it ensures that the testing is conducted by professionals who adhere to high standards of knowledge, skill, and ethical behavior. CREST, which stands for the Council of Registered Ethical Security Testers, sets the industry benchmark for quality cybersecurity services. Companies with CREST accreditation have proven their expertise through rigorous examinations and are committed to continuous professional development to stay abreast of the latest security threats and testing techniques. This accreditation provides businesses with the confidence that their cybersecurity is thoroughly evaluated, aligning with global best practices and regulatory requirements.

After penetration testing is completed, the ethical hacker compiles a report detailing the vulnerabilities discovered, which the organization can then use to strengthen its security measures. This process often includes a review of the findings, development of a remediation plan, and potentially a retest to validate the effectiveness of the implemented changes. Penetration tests can indeed be performed remotely, utilizing advanced algorithm-based technologies that mimic an ethical hacker’s tools and techniques, allowing for comprehensive security assessments without the need for physical presence.

Choosing a penetration testing supplier is a critical decision that can significantly impact your organization’s security. It’s important to consider certifications, experience, methodologies, and client testimonials when making this choice. Certifications like CEH and CISSP indicate a provider’s expertise, while experience in your industry suggests familiarity with specific security challenges. Methodologies should align with established frameworks like OWASP or NIST, and detailed reports should be provided. If your current supplier meets these criteria and you’ve been satisfied with their service, it may be beneficial to continue the partnership. However, regularly reviewing and comparing options can ensure you’re receiving the best service for your needs.

Penetration testing, commonly referred to as pen testing, is a critical cybersecurity practice that involves simulating cyberattacks to identify vulnerabilities in a system. While it is an essential component of a robust security strategy, it must be carefully managed to minimize disruptions to business operations. Strategies such as conducting tests during off-peak hours, using test copies of live systems, and clear communication with stakeholders can help ensure that business operations continue smoothly during a pen testing exercise.

The cost of penetration testing can vary widely depending on several factors such as the scope of the test, the size of the organization, the complexity of the systems being tested, and the expertise of the testing team. Generally, prices can range from as low as $1,000 to over $100,000. For most organizations, the average cost tends to be between $10,000 and $35,000. It’s important to consider that while upfront costs may seem significant, the investment in a penetration test can be invaluable in protecting against potential security breaches.

PCI DSS Penetration Testing Services

Utilise our PCI compliance penetration testing services that offer great value, technical expertise and remediation plan. We guarantee no fuss around scheduling, retests, or report delays in a PCI test.