If Your Company Still Has an On-Prem Phone System – Know the Security Risks

When it comes to cybersecurity, every IT professional and business owner knows that hackers don’t sleep. Yet, one often-overlooked vulnerability in many organizations is sitting right in their offices—on-premise phone systems. While on-prem systems were once the norm, they’re now lagging behind in security, leaving your communication network—and potentially your entire business—at risk.

 

This article will unpack the security challenges posed by on-prem phone systems, highlight the advanced safeguards of UCaaS (Unified Communications as a Service), and explain why partnering with a technology broker is critical to making the right choice for your business communications.

 

Why On-Prem Phone Systems Fall Short in Security

 

On-prem phone systems are physical setups housed within your building, and while they grant full control over your infrastructure, they’re not as ironclad as they may seem. Here’s where the cracks appear in their security foundation:

 

Limited Maintenance and Updates

 

With an on-prem phone system, staying secure requires regular software updates, system patches, and hardware maintenance. Unfortunately, many businesses face resource constraints or simply don’t have the time to consistently monitor and apply updates. This delay creates vulnerabilities that cybercriminals can easily exploit.

 

What’s at stake:

  • Outdated software provides an easy entry point for hackers.
  • Missed patches may result in exposure to known flaws.

 

High Susceptibility to Phishing and Toll Fraud

 

On-prem systems are particularly vulnerable to toll fraud, where attackers hijack phone lines to rack up expensive charges by making long-distance or international calls. Additionally, phishing attacks targeting employees may direct them to connect to fake numbers or links embedded in calls, creating further risk exposure.

 

What’s at stake:

  • Unexpectedly high phone bills in the thousands.
  • Loss of sensitive employee or customer data.

 

No Built-in Disaster Recovery System

 

Natural disasters, power outages, or server downtime can bring on-prem systems to a complete halt. The lack of an efficient disaster recovery strategy could mean hours—or even days—without communication, leaving your business and its reputation vulnerable.

 

What’s at stake:

  • Revenue loss due to halted operations.
  • Damaged business credibility.

 

Limited Scalability Poses Risks

 

Adding new lines or locations to on-prem systems often involves expensive hardware upgrades and a higher risk of misconfigurations during expansions. Misconfigurations, in turn, can lead to cybersecurity vulnerabilities.

 

What’s at stake:

  • Security loopholes stemming from poorly implemented extensions.
  • Ballooning costs for expansion and maintenance.

 

The takeaway? While on-prem systems offer localized control, the lack of modernized security measures leaves significant gaps in protecting your communications infrastructure.

 

How UCaaS Strengthens Communication Security

 

Unified Communications as a Service (UCaaS) is a cloud-based solution that integrates voice, video, messaging, and other collaboration tools into a single secure platform. Unlike on-prem systems, UCaaS solutions are designed to prioritize security at every level of communication.  Here’s how UCaaS keeps your business safe from cyber threats:

 

Advanced Encryption

 

UCaaS platforms encrypt all data—whether it’s a voice call, video meeting, or file transfer. This ensures that sensitive business information is protected from interception.

 

What you gain:

  • End-to-end encrypted communication.
  • Peace of mind knowing that data remains confidential.

 

Automatic Updates and Patching

 

Forget about manually scheduling updates; UCaaS regularly applies updates and patches to its systems automatically, so you’re always protected against emerging threats.

 

What you gain:

  • Real-time protection from vulnerabilities.
  • A fully compliant system with the latest security standards.

 

Built-In Disaster Recovery and Redundancy

 

UCaaS providers offer redundancy across multiple data centers, meaning your services automatically switch to an operational backup center in case of failure.

 

What you gain:

  • Uninterrupted service even during disasters.
  • Rapid recovery from outages with minimal downtime.

 

Sophisticated Fraud Detection

 

UCaaS leverages AI to monitor call traffic and detect suspicious activity, such as toll fraud attempts. Some services immediately alert your team or automatically block fraudulent behavior in progress.

 

What you gain:

  • Protection from unnecessary costs and malpractice.
  • Immediate threat mitigation without waiting for human intervention.

 

UCaaS is much more than a phone system; it’s a comprehensive solution designed to protect your communications while keeping your entire team connected.

 

Shopping for a New Phone System – Let My Resource Partners Simplify the Process

 

Choosing the right phone system—whether on-prem or UCaaS—can be overwhelming due to the numerous providers and features available.  My Resource Partners’ technology advisors have already done all the homework for you.  We offer a FREE Phone System Evaluation that simplifies the process by offering:

 

  • Tailored Solutions:  We recommend solutions based on your specific business needs, such as compliance features like HIPAA or GDPR.

 

  • Access to Multiple Providers:  Instead of being limited to a single vendor, our advisors give you access to a wide range of providers and pricing options.

 

  • Long-Term Savings:  Our technology advisors negotiate the most aggressive pricing and terms – you’ll save 35% versus going direct.

 

  • Expert Guidance on Security:  We have access to the leading solutions engineers to guide you through implementing critical security features like encryption and fraud detection.

 

Partnering with a technology brokerage firm like My Resource Partners ensures you get a secure, cost-effective, and future-proof phone system tailored to your needs.

 

Protect Your Business Communications Today

On-prem phone systems come with significant security risks. By switching to a secure UCaaS platform with a broker’s help, you can safeguard your business and focus on growth with peace of mind.

 

Click Here to Schedule Your FREE Phone System Evaluation

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