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Last updated on 2024年9月12日

You're managing a network with sensitive data. How can you ensure security without slowing down the network?

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In the era of digital transformation, network security is a pivotal concern, especially when you're tasked with safeguarding sensitive data. Balancing security measures with maintaining network performance can be challenging. You want to ensure that your data is protected from threats without introducing latency that could hinder productivity. Striking this balance requires a strategic approach to network security that employs both robust defenses and efficient protocols.

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1 Layered Defense

Incorporating a layered defense strategy is crucial for protecting your network. This approach involves multiple levels of security controls spread throughout the network, ensuring that if one layer is breached, others are in place to thwart an attack. Utilize firewalls to monitor incoming and outgoing traffic, employ intrusion detection systems (IDS) to analyze network traffic for suspicious activity, and consider deploying intrusion prevention systems (IPS) to automatically block potential threats. These measures can be fine-tuned to minimize impact on network speed while still providing effective security.

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Vivek Kumar

Team Lead (Malware Analysis and Research Team)
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To ensure security without slowing down the network, implement layered security measures like firewalls, intrusion detection/prevention systems (IDS/IPS), and encryption, optimized for performance. Use network segmentation to contain threats, and employ regular monitoring with automated threat detection. Additionally, apply security patches promptly and enforce strong access controls with minimal privileges.

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Sai R

Senior Network Security Engineer | Cisco, Cloud, and Firewall Specialist | Actively Seeking New Opportunities
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To secure a network with sensitive data without slowing it down, I would use a balanced approach. Deploying next-generation firewalls and intrusion prevention systems ensures advanced threat protection with minimal latency. Prioritizing traffic for critical applications and using network segmentation to isolate sensitive data helps reduce the attack surface. I would implement optimized encryption protocols and regularly monitor network performance to maintain speed. Additionally, utilizing cloud-based security solutions can offload processing, ensuring the on-premise network remains agile while still protecting sensitive information.

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Raunak Raj

Engineer, Network Security @tcs
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Implement Multi-Layered Security: Use a combination of security measures such as firewalls, intrusion detection systems (IDS), and encryption. Layered defenses protect sensitive data from various angles while minimizing impact on network performance. Optimize Security Solutions: Choose security solutions designed to have minimal performance impact. Use tools that provide real-time protection without causing significant latency or bandwidth issues.

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2 Regular Updates

Keeping your network devices and security software up to date is essential for closing vulnerabilities that could be exploited by attackers. Implement automated patch management systems to ensure that all software updates and security patches are applied promptly. Although updating systems can temporarily affect network performance, scheduling updates during off-peak hours can mitigate this impact. By staying current with updates, you can defend against the latest threats while keeping your network running smoothly.

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Orlando Gaetano Hadad

Network Engineer | Network Security | Cyber Security
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Para que el dato sea confidencial, solo debería de verlo la persona con autorización para ello, y esto incluye que alguien que tiene acceso lo pueda filtrar a alguien q no lo debería de tener. Es por ello que ademas de los mecanismos descritos, se debería de implementar una solucion DLP con una lista linterna bien definida para los accesos y datos permitidos para su transmisión. De igual forma, de forma crítica, cifra y desconfiar de cualquiera que se conecte, requerido para ello una solución de NAC + ZeroTrust que imponga varias capas de defensa para el acceso externo.

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3 Traffic Prioritization

Effective network security doesn't mean all data should be treated equally. Prioritize your network traffic by using Quality of Service (QoS) settings to ensure that critical data gets the bandwidth it needs. By configuring QoS rules, you can allocate more resources to sensitive data and high-priority traffic, while less critical data can be limited or shaped to prevent congestion. This selective prioritization helps maintain speed and performance for essential services without compromising on security.

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4 Encryption Techniques

Data encryption is a powerful tool for protecting sensitive information. Utilize encryption protocols such as Transport Layer Security (TLS) to secure data in transit. While encryption can introduce some overhead, using hardware acceleration or selecting efficient cipher suites can reduce this impact. Consider implementing Virtual Private Networks (VPNs) for remote access, which encrypt data and provide secure connections to your network, ensuring that sensitive data remains confidential without significantly affecting network speed.

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Adnan Shabbir (BE, PMP, PRINCE2, CCNP, ZTNA, SDWAN)

Infra Transformation Manager at Accenture
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Many organizations have MPLS links between their offices. Something important missed here is those MPLS links are provided by third party service providers and they are usually not encrypted. While this data on the move is still on 'semi' private circuit, the provider still has visibility which can breach some security compliance requirements, especially in the regulated domains. Make sure traffic on MPLS links is also encrypted.

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5 Network Segmentation

Dividing your network into smaller, manageable segments can significantly enhance security without slowing down the overall system. Network segmentation allows you to isolate critical systems and sensitive data, making it harder for an intruder to gain access to your entire network. Use virtual local area networks (VLANs) and access control lists (ACLs) to control traffic between segments. This setup not only bolsters security but can also improve performance by reducing traffic on the main network.

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Kevin Baylor

Managing Partner @ Alliance IT, LLC | Managed Security, Managed Services
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Keeping types of data or data from different departments segregated can easily aid in security without affecting day to day performance.

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John Murillo
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Network segmentation based on users' functions or information access needs is an efficient way to implement security controls for sensitive information without compromising performance. One of the main benefits is that it reduces the number of users with access to that information, making it easier to identify, mitigate, or review any potential security incidents if they occur. Similarly, if regulatory compliance is required, segmentation also helps reduce the number of devices or users that need to be included within the scope of such compliance, significantly decreasing the effort needed to meet regulatory requirements.

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Adnan Shabbir (BE, PMP, PRINCE2, CCNP, ZTNA, SDWAN)

Infra Transformation Manager at Accenture
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Tools have since advanced from VLANs and ACLs. Micro-segmentation can be leveraged by use of products like Cisco ACI or VMWare NSX. It can also be easily leveraged on cloud platforms. On top of that, firewalls these days support multizone configuration. It is not anymore Untrusted, trusted and DMZ kind of architecture. You define zones keeping security in mind. Isolation and segmentation helps keeping the boundaries alive and applying better controls.

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6 Proactive Monitoring

Finally, proactive monitoring is key to detecting and responding to threats swiftly without hampering network performance. Implement real-time monitoring tools that analyze traffic patterns and alert you to anomalies that may indicate a security breach. By catching issues early, you can address them before they escalate into larger problems. Proactive monitoring allows for quick intervention that can prevent downtime or slow performance due to security breaches.

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You're managing a network with sensitive data. How can you ensure security without slowing down the network?

1

2

3

4

5

6

1 Layered Defense

2 Regular Updates

3 Traffic Prioritization

4 Encryption Techniques

5 Network Segmentation

6 Proactive Monitoring

Network Security

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You're managing a network with sensitive data. How can you ensure security without slowing down the network?

1

2

3

4

5

6

1 Layered Defense

2 Regular Updates

3 Traffic Prioritization

4 Encryption Techniques

5 Network Segmentation

6 Proactive Monitoring

Network Security

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