Cloud Communications
Cloud Communications technology is defined as the delivery of real-time communication services—like voice, video, and messaging—over the internet, hosted by a third-party cloud provider. In the context of cybersecurity, this technology shifts the security perimeter, creating new, external risks that mirror an attacker's perspective. The security focus is on protecting the application layer (APIs) and the vast amount of sensitive customer data managed by contact centers.
CPaaS/Voice & Video APIs
The CPaaS (Communications Platform as a Service) layer provides programmable, cloud-based building blocks that developers embed directly into their applications. Vendors offer APIs for functions such as sending automated SMS alerts, integrating live voice calling, or hosting video sessions.
From a cybersecurity standpoint, the primary risk here is API and credential exposure. If an organization misconfigures access controls or accidentally exposes a CPaaS vendor's API key, an attacker can hijack the communication service. This could lead to massive financial fraud (running up usage charges) or severe reputational damage (using the service for phishing, spam, or malicious communication). The security challenge is not securing the cloud platform itself, but securing the hundreds of specific integration points, code secrets, and access tokens used to connect the custom application to the CPaaS vendor.
Customer/Contact Center
The Customer/Contact Center technology refers to the cloud-based software suite used by an organization's support, sales, and service teams to manage interactions across channels (phone, chat, email). This environment is a central repository for vast amounts of sensitive customer data.
The cybersecurity context for the Contact Center revolves around data integrity, privacy, and account protection. Since agents often handle Personally Identifiable Information (PII) and payment details, the contact center becomes a high-value target for data theft. Key risks include:
Data Exposure: Weak access controls or vulnerabilities in the agent portal could expose customer records in bulk.
Insider Threats: Compromised agent accounts (through phishing or credential stuffing) can be used by malicious actors to access, modify, or exfiltrate sensitive data, leading to severe regulatory and compliance issues.
Compliance Failure: Failing to properly secure recorded calls or chat transcripts can violate privacy regulations like GDPR or CCPA.
In summary, securing Cloud Communications requires visibility into both the programmatic interfaces (CPaaS) and the data-rich applications (Contact Center) to prevent credential abuse, fraud, and mass data breaches.
ThreatNG's capabilities provide a comprehensive defense against the cybersecurity risks inherent in Cloud Communications technology by adopting an external, attacker-centric perspective. The solution maps the components of CPaaS and Customer/Contact Center services directly to actionable security assessments.
External Discovery
ThreatNG achieves full visibility into Cloud Communications technologies through External Discovery, performing purely unauthenticated identification using no connectors, mirroring how an adversary scouts a target.
Technology Stack Investigation Module: This module identifies the specific CPaaS vendors (e.g., Twilio, Vonage) and Contact Center platforms (e.g., Zendesk, Freshworks) being used by analyzing domain records, network traffic, and publicly exposed code.
Domain Intelligence: ThreatNG discovers all subdomains and related infrastructure—such as
api-voice.company.comorsupport.company.com—that route traffic to these cloud communication vendors, thus mapping the entire communication attack surface.
External Assessment and Examples in Great Detail
ThreatNG transforms discovered Cloud Communications assets into quantifiable risk scores through its External Assessment capabilities:
Web Application Hijack Susceptibility (Customer/Contact Center): ThreatNG evaluates the security hygiene of customer-facing support portals, which often use Contact Center software. It checks for severe vulnerabilities like Subdomain Takeover Susceptibility, where a defunct support subdomain is improperly pointed, allowing an attacker to claim it and host a malicious phishing page to steal agent or customer credentials.
Code Secret Exposure (CPaaS APIs): The system continuously scours public code repositories, forums, and developer platforms for exposed credentials. If a developer accidentally posts a forgotten Vonage Video API Key to a public GitHub Gist, ThreatNG flags this. The Cyber Risk Exposure assessment is instantly updated, prioritizing the vulnerability because a compromised key allows an attacker to manipulate communication services and commit fraud.
Data Leak Susceptibility (Customer/Contact Center): This assessment specifically addresses the risk of handling sensitive customer data. It analyzes whether the organization is susceptible to data leaks via misconfigurations or exposed storage bins related to call recordings or chat transcripts. For example, if an exposed Amazon S3 bucket used by a Contact Center platform is publicly readable, ThreatNG scores this highly, indicating a severe risk of PII or PCI data exposure.
Investigation Modules and Examples in Great Detail
The Reconnaissance Hub enables security teams to quickly investigate and prioritize threats across the identified Cloud Communication assets.
Overwatch: This cross-entity vulnerability intelligence system instantly prioritizes risks across the entire attack surface. When a critical zero-day CVE is announced for a discovered CPaaS framework, Overwatch automatically correlates this vulnerability with all identified instances of that vendor across the organization's portfolio, instantly showing the impact and enabling a surgical, prioritized response to mitigate the most critical exposure first, replacing chaotic manual fire drills.
Advanced Search: This module facilitates granular investigation. A security analyst could use Advanced Search to query their entire portfolio for all instances of a specific Contact Center version identified by the Technology Stack module. They can then use filters to isolate only those instances that also show a Data Leak Susceptibility score above a certain threshold, efficiently focusing remediation efforts on the highest-risk communication assets.
Reporting and Continuous Monitoring
ThreatNG ensures that Cloud Communication risks are tracked and communicated effectively.
Continuous Monitoring: The platform constantly scans the external surface for changes—a new CPaaS test environment coming online or a Customer Service portal's SSL certificate expiring. This ensures security is assessed in real-time.
Reporting: ThreatNG generates External GRC Assessment Mapping reports, which are vital for Cloud Communication assets due to regulatory pressures. These reports demonstrate compliance posture against frameworks like GDPR, highlighting GRC gaps related to improperly secured customer data in the Contact Center environment. For instance, the report would flag if a specific chat vendor's implementation fails to enforce regional data residency rules.
Intelligence Repositories
ThreatNG’s Intelligence Repositories (DarCache) provide the context to prioritize risks. DarCache Rupture (Compromised Credentials) informs the Data Leak Susceptibility assessment by providing data on compromised usernames and passwords belonging to Contact Center agents, immediately flagging high-risk internal users. Meanwhile, DarCache Vulnerability integrates severity scores and known exploitation likelihoods, ensuring that time is not wasted patching a low-risk CPaaS API when an actively exploited one exists.
Complementary Solutions
ThreatNG's external threat intelligence cooperates seamlessly with complementary solutions. For example, the detailed, prioritized list of exposed Cloud Communication vendor vulnerabilities identified by the Overwatch module can be fed directly into a Vulnerability and Risk Management solution. Furthermore, the external exposure intelligence—such as a detected Twilio API key leak or a malicious Customer Service phishing domain—can be used to enrich alerts in a Security Monitoring (SIEM/XDR) platform, providing the necessary external context to rapidly distinguish a benign event from a confirmed, exploitable communication threat. This cooperation transforms raw external exposure into high-fidelity, actionable defense.

