Is Your AV System an Open Door for Hackers? Top 6 Security Threats & How to Stop Them

In 2026, audiovisual (AV) technology is no longer just "plug-and-play" equipment—it is a critical, networked component of corporate IT infrastructure. From smart boardrooms to digital signage, these devices are increasingly connected to company networks, creating a lucrative, yet often overlooked, attack surface for cyber-criminals.

With 61% of small and medium businesses experiencing cyberattacks in the past year, your AV infrastructure could be the weakest link in your security chain.

Here are the top six AV security threats to prioritize and actionable steps to strengthen your defense.

1. Unauthorized Access & Device Hijacking

Many AV devices—video conferencing endpoints, digital signage players, and room control processors (e.g., Crestron, AMX)—come with default credentials like "admin" or "1234". Hackers scan the internet to take control of these devices, turning them into botnets, disrupting meetings, or flashing obscene content on digital displays.

* Best Practice: Change all default passwords upon installation. Implement strong, unique passwords for every device.

2. Eavesdropping and Corporate Espionage

Modern cameras and microphones are always connected. Unsecured AV systems can be exploited to listen to or record confidential meetings. The average speech privacy breach costs Fortune 1000 companies over $53 billion annually.
* Best Practice: Use physical camera covers (privacy shutters) when not in use and deploy encrypted audio/video transmission protocols.

3. Lateral Movement & Network Infiltration

Attackers often target "easier" IoT devices—such as a poorly secured networked projector or an IP-connected speaker—to gain a foothold in the network. Once inside, they move laterally to access the company’s internal IT network, servers, and sensitive data.
* Best Practice: Network Segmentation. Place all AV equipment on a dedicated VLAN (Virtual Local Area Network) separate from the main corporate IT network.

4. Ransomware & Malware

AV control systems are critical to meeting room operations. Attackers are increasingly locking down these processors or displays, demanding cryptocurrency ransom to restore operational control.
* Best Practice: Keep regular backups of control system configurations and maintain an incident response plan to isolate infected devices.

5. Data Leaks via Outdated Firmware

Outdated firmware is a goldmine for attackers, allowing them to exploit known vulnerabilities for unauthorized data access. A single unpatched display can bridge a secure network to the internet.
* Best Practice: Regularly check vendor websites for patches and firmware updates. If a device is no longer supported by the manufacturer, replace it.

6. Data Interception (Man-in-the-Middle)

If AV audio/video streams are sent over the network without encryption, they can be intercepted. This is particularly dangerous for remote meetings where sensitive intellectual property is discussed.
* Best Practice: Ensure all AV over IP traffic is encrypted using robust standards like AES (Advanced Encryption Standard) and protocols such as HTTPS/SRTP.

Key Recommendations to Strengthen Your AV Security

To protect your business from these evolving threats, adopt a proactive "Security by Design" approach.

1. Enforce Multi-Factor Authentication (MFA): Require MFA for any remote management access to AV equipment.

2. Apply the Principle of Least Privilege: Limit user access to AV management software—not everyone needs admin rights.

3. Disable Unused Ports and Services: If you are not using FTP, SSH, or specific ports on a device, turn them off to reduce the attack surface.

4. Physically Secure Equipment: Lock AV racks, wall-mount displays, and lock unused USB/HDMI ports to prevent physical tampering.

5. Employee Training & Awareness: Educate staff to recognize phishing scams that could give attackers entry to the network.

Conclusion: AV and IT convergence is a reality. By viewing your AV equipment as part of your IT network—and applying the same rigorous security protocols—you can turn a potential vulnerability into a secure communication asset.

If you need help securing your audiovisual systems, contact the experts at Hartley AV Inspections today for a security audit.