Corporate Wi-Fi networks have become essential for business connectivity, enabling smooth communication and rapid access to IT resources. However, they are also prime targets for attackers looking to exploit security vulnerabilities. In this article, we explore best practices for securing corporate Wi-Fi networks and protecting sensitive data from cyber threats.
What is a Wi-Fi network?
Corporate Wi-Fi networks are wireless networks used by companies to connect their devices and users to the Internet and internal corporate resources. They enable flexible, mobile connectivity, but they also present security risks if appropriate measures are not taken to secure them.
Why secure my company's Wi-Fi network?
Securing corporate Wi-Fi networks is of the utmost importance for a number of reasons, all of which are essential to preserving the health and competitiveness of your business:
Corporate Wi-Fi networks are often used to access confidential information such as customer data, trade secrets or financial data. By securing these networks, you protect sensitive data from unauthorized access, unwanted interception and malicious attack.
Unsecured Wi-Fi networks are prime targets for cybercriminals looking for opportunities to gain access to corporate systems. By implementing robust security measures, you can significantly reduce the risk of security breaches such as intrusions, data theft or denial-of-service attacks.
Security breaches related to Wi-Fi networks can have damaging reputational consequences, including loss of customer confidence, legal disputes, and regulatory sanctions. By securing your Wi-Fi networks, you demonstrate your commitment to data protection and information confidentiality.
Attacks on Wi-Fi networks can disrupt business operations by preventing access to critical resources or compromising the availability of online services. By strengthening the security of your Wi-Fi networks, you can reduce the risk of business disruption and ensure business continuity.
Many regulations, such as the RGPD in Europe, impose strict data security requirements, including securing Wi-Fi networks. By complying with these regulations, you avoid potential fines and sanctions and protect the company from legal risks.
What is packet sniffing?
When an attacker manages to connect to an insecure or vulnerable Wi-Fi network, he or she can potentially view all Wi-Fi traffic circulating on that network. This is made possible by a technique known as "packet sniffing" or "passive listening".
Packet sniffing involves intercepting and capturing data exchanged between devices connected to the Wi-Fi network. The attacker generally uses specialized software, such as Wireshark, to set up passive listening on the network. Once the software is activated, it starts capturing and analyzing data packets passing over the network, including sensitive data such as login credentials, personal information, passwords, confidential communications, etc.
The attacker can then examine this captured data to extract sensitive information or exploit vulnerabilities in users' systems and applications. For example, he could retrieve login credentials to access online accounts, monitor communications to gather confidential information, or even inject malicious code into traffic to compromise users' devices or systems.
That's why it's essential to implement robust security measures to protect Wi-Fi networks against this type of attack.
How do I secure my network?
To effectively secure corporate Wi-Fi networks, companies need to implement the following security best practices:
- Use strong encryption (WPA2 or WPA3) to protect network communications.
- Set up strong, unique passwords for Wi-Fi networks and network devices.
- Implement access control measures, such as certificate-based authentication or captive portals, to limit network access.
- Separate guest networks from internal networks and restrict access to sensitive resources.
- Regularly update network equipment firmware and software to correct known security vulnerabilities.
How can I get help?
Phishia offers IT security consulting services, including the assessment and securing of corporate Wi-Fi networks. Our experts can help you assess your network's vulnerabilities, implement appropriate security solutions and train your staff in Wi-Fi security best practices. We distribute practical, security-tested solutions from our various partners.
By working with Phishia, you can strengthen the security of your Wi-Fi network and protect your data from cyberthreats.
