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You're struggling to keep your hybrid network secure. How can you make sure it's protected?

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Hybrid networks are becoming more popular as businesses need to balance the benefits of cloud computing and on-premises infrastructure. However, managing and securing a hybrid network can be challenging, especially if you have different vendors, protocols, and policies. In this article, you will learn some best practices to keep your hybrid network secure and protected from cyber threats.

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1 Assess your network risks

The first step to secure your hybrid network is to identify and prioritize the potential risks that could compromise your data, performance, or availability. You should conduct a thorough network assessment that covers both your cloud and on-premises components, such as servers, routers, switches, firewalls, VPNs, and storage devices. You should also consider the human factor, such as user access, authentication, and training. A network assessment will help you understand your network topology, identify vulnerabilities, and plan for mitigation strategies.

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KONGKHAM SHARAT SINGH

PM | FXST | Ex-IT Manager | Self-Paced Learner[CYBERSEC|AWS|DS|AI/ML|CLOUD|PEN-TEST|SOC|DFIR |BLUE TEAM|RED TEAMING][CyberSecure FullStack Web]
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Securing a hybrid network, which typically includes a combination of on-premises and cloud-based resources, presents unique challenges: -Network Architecture and Segmentation: #Network Engineering Perspective: Implement a well-designed network architecture with clear segmentation between on-premises and cloud environments. Utilize VPCs and network security groups to control traffic flows between different segments. -Identity and Access Management(IAM) #Security and Identity Management Perspective: Establish strong identity and access management policies for both on-premises and cloud resources. Implement single sign-on (SSO) solutions and enforce multi-factor authentication to secure user access.

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2 Implement network segmentation

Network segmentation is a technique that divides your network into smaller, isolated subnets based on different criteria, such as function, location, or security level. Network segmentation can help you improve your hybrid network security by reducing the attack surface, limiting the spread of malware, and enforcing granular access control. You can use various methods to implement network segmentation, such as VLANs, firewalls, SD-WAN, or cloud-native tools. You should also monitor and audit your network segments regularly to detect and respond to any anomalies or breaches.

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KONGKHAM SHARAT SINGH

PM | FXST | Ex-IT Manager | Self-Paced Learner[CYBERSEC|AWS|DS|AI/ML|CLOUD|PEN-TEST|SOC|DFIR |BLUE TEAM|RED TEAMING][CyberSecure FullStack Web]
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-Risk Assessment and Segmentation Criteria: Conduct a thorough risk assessment to identify critical assets and potential vulnerabilities. Determine segmentation criteria based on the sensitivity of data, business functions, and regulatory requirements. -VLANs and Subnetting: Use VLANs and subnetting to logically separate different segments of the network. Assign unique IP address ranges to each subnet to enhance isolation and manageability. -Firewall Configuration: Deploy firewalls to enforce access controls between network segments. Define and regularly update firewall rules based on the principle of least privilege to restrict unnecessary communication.

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3 Encrypt your data

Data encryption is a process that transforms your data into an unreadable format using a key, making it harder for unauthorized parties to access or tamper with it. Data encryption is essential for protecting your hybrid network, especially when you transmit or store data across different environments. You should encrypt your data at rest and in transit, using strong encryption standards and protocols, such as AES, SSL/TLS, or IPSec. You should also manage your encryption keys securely, using a centralized or cloud-based key management system.

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KONGKHAM SHARAT SINGH

PM | FXST | Ex-IT Manager | Self-Paced Learner[CYBERSEC|AWS|DS|AI/ML|CLOUD|PEN-TEST|SOC|DFIR |BLUE TEAM|RED TEAMING][CyberSecure FullStack Web]
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Encrypting data is a fundamental practice to safeguard sensitive information within a hybrid network are: - Classify data based on sensitivity and regulatory requirements. Develop encryption policies that dictate when and how encryption should be applied to different types of data. -AES, SSL/TLS, and IPSec Standards: Adopt strong encryption standards and protocols such as Advanced Encryption Standard (AES), Secure Sockets Layer/Transport Layer Security (SSL/TLS), or Internet Protocol Security (IPSec). -End-to-End Encryption: Implement end-to-end encryption for data in transit to protect it from interception during transmission. Use SSL/TLS for securing web traffic and IPSec for securing communication between network segments.

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4 Update your network devices

Keeping your network devices updated is a simple but effective way to secure your hybrid network. Network devices, such as routers, switches, firewalls, or VPNs, often have firmware or software updates that fix bugs, improve performance, or add new features. However, they also contain security patches that address known vulnerabilities or prevent new exploits. You should regularly check for and install updates for your network devices, both in the cloud and on-premises. You should also backup your device configurations and test the updates before applying them to avoid any disruptions or errors.

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5 Educate your network users

Your network users are the first line of defense against cyberattacks, but they can also be the weakest link if they are not aware or trained on how to use your hybrid network securely. You should educate your network users on the best practices and policies for accessing, sharing, and storing data on your hybrid network. You should also teach them how to recognize and avoid common threats, such as phishing, ransomware, or DDoS attacks. You should also enforce strong password policies, multi-factor authentication, and role-based access control for your network users.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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You're struggling to keep your hybrid network secure. How can you make sure it's protected?

1

2

3

4

5

6

1 Assess your network risks

2 Implement network segmentation

3 Encrypt your data

4 Update your network devices

5 Educate your network users

6 Here’s what else to consider

Computer Networking

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You're struggling to keep your hybrid network secure. How can you make sure it's protected?

1

2

3

4

5

6

1 Assess your network risks

2 Implement network segmentation

3 Encrypt your data

4 Update your network devices

5 Educate your network users

6 Here’s what else to consider

Computer Networking

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