Advanced Security in VoIP Systems

Common Threats in VoIP

VoIP systems face various threats that can compromise the privacy and quality of communications.

Main vulnerabilities

• Eavesdropping: Unauthorized call listening
• Denial of Service (DoS): Attacks that interrupt service
• Toll Fraud: Unauthorized use for expensive calls
• Vishing: Social engineering through VoIP calls

Protection solutions

1. Implement SRTP and TLS encryption
2. Use two-factor authentication
3. Configure VoIP-specific firewalls
4. Monitor traffic in real-time
5. Regularly update firmware