Do virtual numbers comply with South Africa’s POPIA data protection regulations?

Virtual numbers can comply with South Africa’s POPIA if used with proper data handling practices, explicit consent, and secure processing aligned with the law’s requirements.

What is POPIA and its scope?

South Africa’s Protection of Personal Information Act (POPIA) is a comprehensive data privacy law enacted to regulate the processing of personal information by public and private entities. Its primary objective is to protect the constitutional right to privacy by setting conditions for lawful data collection, storage, and sharing.

The law defines personal information broadly to include any data that can identify an individual directly or indirectly. This includes names, ID numbers, contact information, and phone numbers — which directly impacts the use of virtual phone numbers for OTPs, verifications, or customer engagement.

Are virtual numbers personal information under POPIA?

Virtual phone numbers are essentially telephone numbers provided by cloud or telecom providers that route SMS or calls to a designated device or platform. Although they may seem detached from physical SIM cards or specific devices, they are still associated with individuals or organizations.

Under POPIA, any information that can identify a person is considered personal information. Since virtual numbers are used to reach or verify an individual and can be linked to their identity or account, they qualify as personal information.

This designation means businesses using virtual numbers must treat them with the same legal care and compliance obligations as other personal information types.

How to ensure POPIA compliance when using virtual numbers

Compliance with POPIA when utilizing virtual numbers involves a combination of legal, technical, and organizational measures designed to safeguard personal data. Key principles include:

• Lawful processing: Obtain valid consent or have a lawful basis to process virtual numbers.
• Purpose limitation: Use virtual numbers solely for the purposes clearly communicated to data subjects, such as OTP delivery.
• Data minimization: Only collect and store virtual numbers as needed for the intended verification or communication.
• Transparency: Inform users about how their virtual number data will be used and stored.

Additionally, organizations must implement access controls and limit who can view or handle virtual number data internally.

Recommended security measures for virtual numbers

POPIA mandates that responsible parties implement "appropriate, reasonable technical and organizational measures" to secure personal information. For virtual numbers, consider the following best practices:

• Encryption: Encrypt virtual number data both in transit and at rest to prevent unauthorized interception or access.
• Access control: Restrict access to virtual number data to only authorized personnel and systems.
• Audit logs: Maintain logs of access and processing activities involving virtual numbers for accountability.
• Regular security reviews: Conduct periodic security assessments and update controls as needed.
• Data retention policies: Delete or anonymize virtual numbers when no longer required for the purpose stated.

Consent requirements for OTPs and virtual numbers

POPIA emphasizes the importance of consent as a lawful basis for processing personal information. When delivering OTPs or verification codes to virtual numbers, organizations should:

• Obtain explicit consent: Inform users upfront and get clear permission to send SMS OTPs to their virtual numbers.
• Provide opt-outs: Allow users to withdraw consent easily if they no longer wish to receive messages.
• Use legitimate interest carefully: In some cases, sending OTPs may be justified as necessary for a contract or legitimate interest, but documentation is critical.

Transparency and user control are cornerstones of compliance when handling virtual numbers for verification purposes.

Risks of non-compliance with POPIA

Failing to comply with POPIA when using virtual numbers exposes organizations to various risks:

• Fines and penalties: The Information Regulator can impose administrative fines up to ZAR 10 million or imprisonment for severe breaches.
• Reputational damage: Data breaches or privacy violations can erode customer trust and harm brand reputation.
• Operational disruption: Enforcement actions may require halting data processing or implementing costly corrective measures.

Proactive compliance is the best way to avoid these risks and build trust with South African users.

Where to find POPIA-compliant virtual number providers

Choosing a virtual number provider that understands POPIA requirements is crucial for seamless compliance. Look for providers who:

• Offer clear data processing agreements aligned with POPIA
• Implement strong security measures such as encryption and access control
• Support transparent user consent management
• Provide service level agreements (SLAs) with data protection guarantees

By selecting a reputable service like SMSVerifier, businesses can simplify POPIA compliance while benefiting from a broad range of supported services such as WhatsApp or Google OTP verification.

Frequently asked questions