The hardware your clients forgot about is what attackers go for first

The hardware your clients forgot about is what attackers go for first

Loading the Elevenlabs Text to Speech AudioNative Player...

TL;DR

  • Hardware vulnerabilities are one of the most overlooked attack vectors in SMB environments, and IoT is making it worse. 

  • Default passwords, unpatched firmware, legacy devices and disabled encryption are the top entry points attackers use. 

  • MSPs need a structured vulnerability management process, not a one-time audit. 

  • Weekly automated scanning, physical access controls and firmware discipline close most of the gap. 

  • enhanced.io SOCaaS includes vulnerability scanning and remediation reporting built specifically for MSPs. 

I review MSP environments before we onboard them. The same pattern shows up almost every time. Endpoint protection looks reasonable. The firewall has a current ruleset. And then I check the device list and find a managed switch running 2019 firmware, three IP cameras with default credentials and a building management controller that nobody on the team knew was on the network. 

That is the hardware layer, and for most MSP clients right now, it is wide open. 

Why hardware vulnerabilities are getting worse, not better 

The growth of IoT and industrial IoT devices has expanded the attack surface for every client an MSP manages. Laptops and phones are not the whole picture anymore. Smart building systems, environmental sensors, networked printers, IP cameras and industrial controllers are all on the same corporate network as client data. 

Most of these devices were not built with security as a priority. Manufacturers focused on functionality and cost. When an attacker finds an unpatched IoT sensor running outdated firmware with a default password, they do not need a clever exploit. They are already in. 

The 10 hardware vulnerabilities your clients are most exposed to right now 

1. Default passwords left unchanged 

This is still the most common hardware vulnerability in SMB environments. Devices ship with default credentials. Clients install them. Nobody changes the password. The attacker buys the same device, finds the default in the manual and walks straight in. Fix it before the device touches the network. 

2. Unprotected local access ports 

Managed Ethernet ports, serial interfaces and USB access points on network hardware give an attacker physical access without needing credentials. In shared buildings or sites with multiple tenants, this is a real risk. Lock the comms room. Enforce physical access controls. Audit who has keys. 

3. Outdated device firmware 

IoT manufacturers do not have dedicated security teams. Firmware patches are slow, irregular and sometimes nonexistent. But outdated firmware is exploitable firmware. Build firmware version tracking into your asset inventory and treat a firmware update as a standard part of device management, not an optional extra. 

4. Custom and proprietary chipsets 

High-end workstations and data center hardware often run purpose-built chipsets that do not receive the same security scrutiny as mass-market silicon. Security reviews happen less frequently. Patches take longer. When a vulnerability surfaces, it sits exposed for longer than it should. 

5. Missing or broken encryption 

Operational technology devices are increasingly connected to corporate networks, but many do not encrypt data in transit or at rest. An attacker who intercepts network traffic or physically removes a device can access sensitive information with no further effort. Verify encryption is enabled. Do not assume it is. 

6. Unsupported and end-of-life devices 

A device that functions is not the same as a device that is secure. End-of-life hardware receives no patches. Every new vulnerability that gets published is a permanent, unfixed hole in your client's environment. Identify unsupported devices in every environment you manage and start the conversation about replacement before an incident starts it for you. 

7. Long product lifecycles in high-value equipment 

Industrial equipment, vehicles and critical infrastructure components are designed to run for 10 to 20 years. The security assumptions baked in at manufacture are often outdated within 2 years. The longer the lifecycle, the longer the exposure window. Factor this into your risk conversations with clients in those sectors. 

8. Hardware and software compatibility gaps 

Older hardware often cannot run modern security software. EDR agents require minimum OS versions. Encryption tools need processing headroom that old devices do not have. The result is a class of devices sitting in your client's environment that cannot be protected with the tools you have. Flag them. Replace them. Do not leave them connected and unmonitored. 

9. Security requirements outpacing hardware development 

Hardware takes years to develop and certify. Security threats move in months. By the time a new device reaches the market, the threat model it was designed against is often outdated. This is especially true in regulated sectors. Build in regular hardware refresh cycles and do not wait until something fails. 

10. No reliable in-field update mechanism 

Many IoT sensors and edge devices operating in constrained environments cannot accept remote software updates. They require manual intervention to patch. In practice, that means they never get patched. If you cannot update a device reliably and remotely, that device is a permanent vulnerability. Document it. Isolate it. Replace it when you can. 

What good hardware vulnerability management looks like in practice 

Vulnerability management is not a one-time scan. It is an ongoing process of identifying, prioritizing and closing exposure across your clients' environments. 

Start with a complete hardware asset inventory. You cannot protect what you cannot see. Every device connected to the network should be in your asset register with firmware version, support status and patch history recorded. 

Run automated vulnerability scans on a weekly cadence. Manual audits are not frequent enough in environments that are adding new devices constantly. Automated scanning catches new exposures before attackers do. 

Enforce physical security. Lock the comms room. Control who can access hardware directly. Treat physical access as seriously as you treat network access, because an attacker with 5 minutes at a patch panel can undo a lot of security work. 

Do third-party due diligence before any new hardware goes on the network. Ask vendors about patch frequency, security track record and end-of-life timelines before your client signs a purchase order. 

Build a decommissioning process. Old devices that are no longer needed should be wiped and removed, not left on the network because nobody got round to unplugging them. 

How enhanced.io helps MSPs manage hardware vulnerabilities 

Our SOCaaS includes weekly vulnerability scanning that identifies, prioritizes and provides remediation instructions for hardware-level exposure across all your client environments. You get a clear remediation report showing what is connected, what is at risk and what to do about it, with plain-language summaries for client conversations and technical detail for your team. 

That is not a scan you run once during onboarding. It runs every week, so you catch new devices before attackers do. 

Want to see what is exposed in your clients' environments right now? Start with a baseline assessment

 

FAQ

How do I find out what hardware is connected to my clients' networks?

Start with your RMM and network discovery tools. Most PSA and RMM platforms run network scans that identify connected devices by IP, MAC address and device type. Combine this with a dedicated vulnerability scanner to identify firmware versions and known CVEs against each device. At enhanced.io, our SOCaaS includes weekly vulnerability scanning that surfaces hardware-level exposure across client environments.

My client says their IoT devices are isolated. Is that enough?

How do I have the hardware refresh conversation with a client who does not want to spend money?

Do I need specialist hardware security tools, or will my existing stack cover this?

How often should I run hardware vulnerability scans?

What do I do if I find a device that cannot be patched or replaced immediately?

About Author

Mark Duke

Mark Duke is CTO and co-founder of enhanced.io. He designed the SOC architecture on Stellar Cyber Open XDR and oversees all technical delivery across the platform.