Claire Dawson
Logging into hospital internet can be done in a variety of ways, including through a social login or by connecting to a guest network. However, it is important to do so safely, as hospitals are at risk of malware infections, which can have a negative impact on patient safety. Hospitals can implement internet access control to block malware and stop users from accessing inappropriate content. This can be done through internet filtering solutions, which enforce acceptable internet usage policies and prevent users from accessing websites that are known to host malware.
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What You'll Learn
Use of secure authentication methods
The use of secure authentication methods is crucial for safeguarding sensitive information in hospitals and ensuring that only authorised individuals can access the hospital's network and patient data. Here are several measures that can be implemented as part of a robust authentication process:
Firstly, hospitals should employ multi-factor authentication (MFA), which requires users to provide multiple forms of identification. This could include something they know, such as a password or PIN, combined with something they have, such as a physical token or a security key. MFA provides a stronger layer of protection than solely relying on passwords, which can be compromised through keylogging malware or phishing attacks.
Biometric authentication is another secure method that hospitals can utilise. This involves using sensory devices, such as fingerprint scanners, to verify the identity of users. Biometric authentication is reliable and can be particularly useful in open environments like public hospitals, allowing users to identify themselves quickly and securely.
Additionally, hospitals should ensure that log-in credentials are closely linked to the user's employment status. This means promptly disabling accounts when an employee leaves the organisation or when a student's or temporary worker's access rights expire. Regularly updating and managing credentials helps prevent unauthorised access and reduces security vulnerabilities.
Another secure authentication method is Kerberos, which was developed at the Massachusetts Institute of Technology (MIT). Kerberos manages secret keys for secure communications across thousands of workstations within an organisation. This system ensures that users only need to log in once to access various resources within the network, with access privileges based on their role and the information service they are attempting to access.
Furthermore, hospitals should explore cryptographic tools for authentication. This includes encryption and decryption techniques, such as the AES method, to protect sensitive patient data. By encrypting data, hospitals can ensure that even if data is accessed by unauthorised individuals, it remains unreadable and secure.
By implementing these secure authentication methods, hospitals can better protect patient privacy and maintain the integrity of their networks and systems. It is important to continually review and improve authentication techniques to stay ahead of evolving cyber threats and ensure the safety of sensitive healthcare information.
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Blocking access to potentially dangerous sites
Hospitals must implement robust security measures to ensure safe internet access for their patients, guests, and staff. One critical aspect of this is blocking access to potentially dangerous websites that may host malware or contain inappropriate content. Here are several strategies hospitals can employ to achieve this:
Internet Filtering Solutions:
Hospitals typically use internet filtering solutions, which can be software or hardware-based, to enforce acceptable internet usage policies. These filters are configured with rules that block access to specific websites or categories of websites, such as adult content, gaming, gambling, or file-sharing sites. They can also block websites based on keyword density, preventing access to sites with certain keywords above a specific threshold.
Blacklists and Whitelists:
Internet filters often support blacklists, which are lists of websites and webpages that meet specific criteria and are blocked from access. Security companies maintain blacklists of phishing websites and pages known to host malware or ransomware. Whitelists, on the other hand, can be created to allow access to websites that would otherwise be blocked by category controls, reducing the occurrence of false positives.
Malware and Ransomware Protection:
Internet filters play a crucial role in protecting hospital networks from malware and ransomware attacks. These attacks can encrypt medical records, sabotage equipment, and block access to patient data, leading to cancelled operations and appointments. By preventing users from accessing malicious websites, hospitals can safeguard their networks and patient safety while also maintaining compliance with regulations like HIPAA.
Blocking Inappropriate Content:
Hospitals must also consider the potential legal and HR issues associated with accessing inappropriate content, such as pornography, on their networks. Blocking such content ensures a family-friendly environment, especially important when patients and guests use the WiFi network. This measure also helps reduce the risk of legal liability and potential distractions that affect productivity.
Virtual Private Networks (VPNs):
To enhance security, hospitals can encourage users to connect through a VPN when accessing the hospital's WiFi. A VPN allows users to securely access a private network and share data remotely through public networks. It encrypts data, protecting users' online activities and personal information from potential threats like eavesdropping and cyberattacks.
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Protecting networked computers
Secure Authentication: Implementing strong authentication mechanisms is crucial for protecting networked computers. Hospitals should avoid common shared login accounts with widely known passwords. Instead, they should utilize robust cryptographic tools for authentication, ensuring that each user has a unique and secure login. This helps prevent unauthorized access and improves accountability.
Network Segmentation: Segmenting the network into smaller sub-networks, or internal local area networks (LANs), can limit the impact of a security breach. By isolating critical systems and sensitive data, hospitals can minimize the potential damage caused by an attack. This also allows for more granular control over access privileges, ensuring that only authorized personnel can access specific segments of the network.
Internet Content Filtering: Hospitals should employ Internet content filters to block access to websites known to contain malware or those likely to, such as sites with pornographic, pharmaceutical, or free software content. These filters rely on blacklists, category filters, and keyword filters to control website access. By comparing each website request against these filtering mechanisms, hospitals can prevent the accidental downloading of malware and reduce the risk of ransomware attacks.
Firewall Configuration: Configuring and maintaining a robust firewall is essential for protecting networked computers. Firewalls should be set up to prevent "spoofing," prohibit unsafe connections, and block access to internal Domain Name Service information. Additionally, they should require direct console log-ins for critical firewall system functions and maintain full audit trails that cannot be modified.
User Awareness and Training: Humans are often the weakest link in cybersecurity. Hospitals should invest in raising awareness among all users, from clinicians to administrative staff, about cybersecurity best practices. Educating users about potential threats, safe internet usage, and the importance of maintaining secure passwords can significantly reduce the risk of unintentional security breaches.
By implementing these strategies, hospitals can significantly enhance the protection of their networked computers, safeguarding sensitive patient information and ensuring the overall cybersecurity of their organization.
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Preventing access to inappropriate content
Categories that are typically blocked include adult websites, gaming sites, gambling sites, and file-sharing websites. It is also possible to block websites by keywords or keyword density. For example, a hospital can set rules to block a website if a certain keyword, such as "sex", appears above a certain threshold.
Most Internet filters for hospitals also support blacklists. Blacklists are lists of websites and webpages that meet certain criteria. For example, security companies maintain blacklists of phishing websites and webpages known to host malware. When a user attempts to visit a blacklisted website or a webpage that contravenes the Internet filter's policies, they are directed to a block page advising them that the site has been blocked because it contravenes the hospital's acceptable usage policies.
Blocking Internet content by category can lead to false positives, but whitelists can be created to allow access to websites that would otherwise be blocked by category controls. Internet access control for hospitals should be applied to both wired and WiFi networks. Different controls can be set for computers connected to the hospital network and WiFi networks.
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Safeguarding personal devices
Safely logging into hospital internet requires a few precautions to be taken, especially when using personal devices. Hospitals often implement internet filtering solutions to control access and block inappropriate or unsafe content. As a user, you can safeguard your personal device by following these measures:
Firstly, understand the risks associated with file sharing. File-sharing applications can allow unauthorised users to access your device without your knowledge. Disabling or avoiding file-sharing software reduces this risk. Additionally, installing a personal firewall on your device adds a layer of protection. Firewalls monitor incoming and outgoing connections, blocking or permitting them based on predefined rules, thus safeguarding your device.
Secondly, invest in security software to protect against malicious applications, viruses, spyware, and malware. Regularly updating this software ensures you have the latest tools to prevent unauthorised access to sensitive health information on your device. Utilise mobile device features like authentication and encryption. Enable password protection, PINs, or passcodes to restrict access to your device. You can also mask the input field to prevent onlookers from seeing your credentials. Enable screen locking after a period of inactivity to prevent unauthorised access. Furthermore, consider enabling remote wiping and remote disabling features. These functions allow you to erase data or lock your device remotely if it is lost or stolen, protecting sensitive information.
Lastly, keep yourself informed about the evolving nature of cybersecurity threats and adapt your practices accordingly. Stay updated with hospital policies and procedures related to Bring-Your-Own-Device (BYOD) programs. BYOD refers to the use of personal devices, such as smartphones, tablets, and laptops, for professional purposes. As cybersecurity attacks become more sophisticated, it's essential to stay vigilant and proactive in safeguarding your device and sensitive patient information.
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Frequently asked questions
To log into hospital internet as a patient, you will need to connect to the hospital's guest network. You may be asked to provide an email or phone number, or log in through a social media account. You may also be asked to accept the hospital's terms of use before being granted access.
Hospitals use Internet filters to block access to potentially dangerous websites that could host malware and viruses. They also block websites with inappropriate content.
Only provide personal information, such as your email or phone number, to a trusted hospital network. Ensure that the network you are connecting to is the official hospital network.
