Network Security at Events: A Sensible Approach

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Securing the network at events is about more than just defending against hackers—it’s also about managing risks that arise unintentionally. Non-malicious threats, such as device overload, misconfigurations, or careless user behaviour, can cause just as much disruption as a targeted attack. At Noba Event WiFi, we specialise in designing and managing secure networks for events of all sizes, ensuring that both intentional and unintentional risks are effectively mitigated. 

In this blog, we’ll explore the most common non-malicious threats to event networks and how our expertise helps protect against them without compromising the user experience. 

 

Understanding Non-Malicious Threats to Event Networks 

Non-malicious threats are often overlooked but can cause significant disruptions to event WiFi and security. These threats generally arise from user behaviour, device compatibility issues, or simple oversights rather than intentional attacks. Here are some of the most common non-malicious risks: 

  1. Device Overload and Network Congestion

Large events can see thousands of devices trying to connect to WiFi simultaneously—smartphones, laptops, tablets, and even IoT devices. Many of these devices automatically search for and connect to available networks, overwhelming bandwidth and access points. Unmanaged, this can cause slow speeds, dropped connections, or even total network failure. 

How to Safeguard: 

  • Capacity Planning: Work with a network specialist to estimate the number of devices and bandwidth needed based on expected attendance and usage. Installing equipment capable of handling at least 50% more users than expected and higher bandwidth than anticipated ensures smoother connectivity. 
  • Traffic Management: Implement Quality of Service (QoS) settings to prioritise essential traffic (such as event apps or payment systems) over less critical usage like social media. 
  • Load Balancing: Distribute connections across multiple access points to prevent any single point from becoming overwhelmed. 

 

  1. Unintentional Rogue Access Points

While rogue access points are often seen as a malicious threat, they can also be created unintentionally. For instance, an exhibitor might set up a personal hotspot without realising it could interfere with the official network. These unauthorised access points can cause network interference, reduce performance, and create potential security vulnerabilities. 

How to Safeguard: 

  • Network Scanning: Regularly scan for unauthorised access points and educate exhibitors about the risks of setting up their own WiFi hotspots. 
  • Access Point Isolation: Configure your network to prevent connected devices from communicating directly with each other, minimising the risk of data interception via rogue APs. 
  • Clear Guidelines: Include a clause in exhibitor contracts prohibiting unauthorised WiFi networks and provide a secure alternative if they need additional connectivity. 

 

  1. BYOD (Bring Your Own Device) Risks

Events with a BYOD policy allow attendees, staff, and exhibitors to connect their personal devices to the event WiFi. While convenient, this also means allowing a wide variety of devices with different security standards and outdated software, which can inadvertently introduce vulnerabilities. 

How to Safeguard: 

  • Network Segmentation: Create separate networks for attendees, staff, and exhibitors to limit the impact if a compromised device connects. For example, restrict attendee devices to a guest network that has limited access to critical event systems. 
  • Endpoint Security: Encourage users to update their devices before the event and consider using a captive portal to prompt updates or display basic security tips. 
  • MAC Address Filtering on core networks: Limit network access to approved devices by filtering based on MAC addresses, ensuring that only authenticated devices can connect. 

 

  1. Accidental Insider Threats

Not all insider threats are intentional. Event staff, contractors, or volunteers may inadvertently compromise security by sharing WiFi passwords too broadly, plugging in infected USB drives, or downloading unverified apps. 

How to Safeguard: 

  • Training and Awareness: Provide simple security guidelines to all staff and vendors, emphasising the risks of sharing passwords or connecting unverified devices. 
  • Role-Based Access: Restrict network access based on roles to ensure that staff and vendors only have access to what they need. 
  • Temporary Credentials: Use unique, time-limited WiFi credentials for different user groups to prevent password sharing. 

 

  1. Forgotten WiFi Networks

After an event, many attendees’ devices will continue to search for and attempt to connect to any WiFi network using the same SSID. If not managed, this can create security risks if a malicious actor sets up a network with the same name. 

How to Safeguard: 

  • SSID Management: Use unique SSIDs that are not generic and change them between events. 
  • Clear Communication: Encourage attendees to “forget” the event WiFi network after leaving to prevent their devices from reconnecting to potentially unsafe networks. 
  • Expiration Policies: Implement automatic expiration of guest credentials immediately after the event ends. 

 

Balancing Security and Usability 

While securing against both malicious and non-malicious threats is crucial, it’s equally important to keep the user experience smooth and intuitive. Here are a few tips to achieve this balance: 

  • Streamlined Authentication: Use captive portals that allow fast access without compromising security. A simple login page with clear instructions helps keep access controlled without frustrating users. 
  • Proactive Support: Have a support team available to help with connectivity issues, ensuring that security measures don’t become bottlenecks. 
  • Feedback Mechanism: Provide a way for attendees to report connectivity or security issues quickly, enabling faster responses to emerging threats. 

 

Key Takeaways 

  • Address Non-Malicious Threats: Recognise that many network risks come from unintentional actions and plan accordingly. 
  • Plan and Segment: A well-segmented network with adequate capacity is the best defence against both malicious and non-malicious threats. 
  • Educate and Inform: Simple guidelines for staff, vendors, and attendees can significantly reduce security risks. 

At Noba Event WiFi, we understand that security goes beyond defending against hackers—it’s about managing all aspects of the network effectively. By focusing on both malicious and non-malicious threats, you can ensure your event’s WiFi is both safe and seamless. 

Looking to secure your next event’s network? Contact us today for tailored solutions that keep your event connected and protected. 

 

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