Wireless systems can indeed provide an avenue for cybercriminals to target and potentially disrupt operational technology (OT) systems. Here are a few reasons why wireless systems can pose a risk:

1. Lack of secure protocols: Wireless systems often rely on various protocols such as Wi-Fi, Bluetooth, or Zigbee. If these protocols are not implemented securely or are using outdated encryption methods, they can be exploited by cybercriminals to gain unauthorized access to OT systems.

2. Inadequate authentication and encryption: Weak authentication mechanisms or the absence of encryption can allow cybercriminals to intercept wireless communications and manipulate data or inject malicious code into OT systems.

3. Vulnerable wireless access points: Wireless access points, such as routers or network switches, can become vulnerable entry points for cyberattacks if they are not properly secured. If cybercriminals gain control over these access points, they can launch attacks on connected OT systems.

4. Lack of network segmentation: Mixing wireless networks with OT networks without proper isolation can expose OT systems to potential attacks. If a cybercriminal compromises a wireless network, they may be able to pivot and gain access to connected OT systems.

5. Unauthorized access through Wireless Devices: Wireless devices, such as laptops or smartphones, can introduce additional security risks if they are not adequately protected. If a cybercriminal gains control over a poorly secured wireless device, they can exploit its connection to OT systems.

To mitigate these risks, organizations should adopt robust security measures such as strong encryption, secure authentication mechanisms, regular security updates, network segmentation, and monitoring for potential intrusion attempts. Additionally, conducting regular security audits and penetration testing can help identify and address any vulnerabilities in wireless systems before they are exploited by cybercriminals.