Most businesses today have made the switch from the traditional landline telephone system to a Voice over Internet Protocol (VoIP) system. This is because VoIP offers more benefits including cost reduction, mobility, and scalability. But just like any device that’s connected to the internet, VoIP phones can be targeted by hackers who want to steal valuable information. Here are some of the ways to tell if your VoIP system is being hacked.

#1 Redirection of internet searches to malicious sites

Being redirected to other — often potentially malicious — sites while performing an internet search is a telltale sign that your VoIP system is being hacked. Hackers may also install browser extensions and toolbars without your knowledge.

To keep your VoIP system safe from cybercriminals, always log out and when not in use.

#2 Irregularities in your call history

If you notice a consistent pattern of calls being made or coming from an unknown location or unfamiliar numbers, it’s usually an indication that your VoIP system may be under attack. Ask for a detailed copy of your call logs from your service provider so you can identify calling patterns that will allow you to pinpoint any irregularities.

#3 Fake antivirus messages pop-ups

When you or your employees see pop-up messages that say your system is infected and needs to be scanned while your VoIP system is on, do not click on those messages. They may be a sign that a hacker has already infiltrated your system. It’s best to have your system administrator or managed IT services provider (MSP) shut down the network so they can identify the source of the pop-up and scan your system for any malware.

#4 Webcams and microphones starting on their own

Webcams and microphones make VoIP phones better than traditional landlines, but cybercriminals can use these features to illegally enter your network. Hackers can use your VoIP’s webcams and microphones to spy on your business, record conversations, and collect private information. If you notice your VoIP phone’s webcam and microphone behaving strangely, report it immediately to an IT specialist or your MSP to see if your VoIP system is being breached by a cybercriminal.

#5 Sudden increase in your VoIP bills

One benefit of having a VoIP system is a more affordable monthly bill compared to a landline service. So if you see a sudden spike in your monthly bill, it’s probably an indication that your VoIP system has been hacked. When cybercriminals infiltrate your VoIP network, they can make unauthorized calls to premium numbers without your knowledge.

To keep your VoIP network safe from cybercriminals, invest in good VoIP security solutions and educate your employees on cybersecurity best practices. For more ways on how you can protect your VoIP system, contact us today.

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