Practical security measures for business VoIP systems in 2025

Voice over Internet Protocol (VoIP) systems are the lifeblood of modern business communication — and a prime target for cybercriminals. Given VoIP’s critical role in everything from sales calls to customer support, a successful breach of your VoIP systems can cripple daily operations, lead to massive data leaks, and cause financial ruin.

9 essential VoIP security measures to safeguard your business communications

Voice over Internet Protocol (VoIP) makes it easy for businesses to stay connected from anywhere, but convenience shouldn’t come at the cost of security. Cybercriminals are always looking for new ways to exploit unprotected phone systems. The good news? Keeping your VoIP setup secure doesn’t have to be complicated.

VoIP theft of service: Key strategies businesses should know

While VoIP systems offer businesses a range of benefits, they also attract thieves looking to exploit vulnerabilities in the system. One way they do this is through VoIP theft of service, which can cause significant harm, from financial loss to reputational damage.

Why protecting your VoIP and communication systems is more important than ever

From cyberattacks to human error, your business communication tools are constantly at risk. This guide explores the critical importance of securing your Voice over Internet Protocol (VoIP) and communication systems, offering practical strategies to protect your team and customers while creating a safer, more reliable environment.

Top 5 VoIP security essentials for businesses

The adoption of Voice over Internet Protocol (VoIP) systems by businesses is on the upswing due to the economic benefits and expanded features they offer. Yet, the susceptibility of VoIP systems to cyberattacks is a pressing concern. To fortify your VoIP phones against potential threats, implementing key security measures is a must.

Business essentials for battling VoIP theft of service

Voice over Internet Protocol (VoIP) offers cost-effective and flexible communication solutions. However, with its benefits come potential risks, one of which is VoIP theft of service attacks. These attacks can wreak havoc on your business operations and finances, making it essential for business owners to be well informed about this threat and take proactive measures to safeguard their VoIP infrastructure.

Is your VoIP system being hacked? Here are the signs to watch out for

In today's digital age, Voice over Internet Protocol (VoIP) technology is the backbone of many businesses. It provides an affordable and flexible way to communicate with clients and colleagues around the world. However, as with any technology that relies on the internet, VoIP systems are not immune to hacking attempts.

How to keep your VoIP system secure

Plenty of businesses, regardless of size, use internet phones. But although Voice over Internet Protocol (VoIP) systems are quickly becoming the norm, many business owners don't realize that these systems are vulnerable to attack if they are not properly secured.

TDoS: What it is and how to protect against it

Does your business use a Voice over Internet Protocol (VoIP) system? If so, you need to be aware of telephony denial-of-service, a type of attack on VoIP systems. Learn more about TDoS and how to prevent it from disrupting your operations.
What is TDoS?
A denial-of-service attack aims to crash a system by bombarding it with an overwhelming number of requests, forcing the targeted system to shut down eventually.

How to know if your VoIP system is in danger

Voice over Internet Protocol (VoIP) systems are known for enabling mobile workforces, reducing costs, and offering advanced call features. However, what many people may not know is that VoIP systems are not immune to hackers and cyberattacks. Here are the signs that might indicate that your VoIP system is being hacked.