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ecuring a computer network involves implementing a variety of techniques to protect against unauthorized access, data breaches, and cyber threats.
Firewalls:
- Network perimeter protection.
- Firewalls act as a barrier between your internal network and external threats, controlling incoming and outgoing network traffic based on predetermined security rules.
Encryption:
- Data protection.
- Encryption is used to protect sensitive data by converting it into a code that can only be deciphered with the correct decryption key, ensuring data confidentiality during transmission and storage.
Intrusion Detection and Prevention Systems (IDPS):
- Threat detection.
- IDPS monitors network traffic for suspicious activities and potential threats, alerting administrators and taking action to prevent attacks.
Access Control:
- User authentication.
- Implementing strict access control measures ensures that only authorized users can access certain network resources. This includes the use of strong passwords, multi-factor authentication, and role-based access control.
Virtual Private Network (VPN):
- Secure remote access.
- A VPN provides a secure connection to the network over the internet by encrypting data traffic, making it difficult for cybercriminals to intercept and access sensitive information.
Antivirus and Anti-Malware Software:
- Malware protection.
- Antivirus and anti-malware software scans and removes malicious software from the network, helping to prevent infections and mitigate the damage caused by malware.
Patch Management:
- Vulnerability management.
- Regularly updating software and applying patches helps to fix known vulnerabilities that cybercriminals could exploit to gain access to the network.
Network Segmentation:
- Traffic isolation.
- Network segmentation involves dividing the network into smaller, isolated segments to limit the spread of attacks and improve security management.
Security Policies:
- Governance.
- Establishing and enforcing comprehensive security policies ensures that all users adhere to best practices for protecting the network, such as regular password changes and data handling procedures.
Regular Audits and Monitoring:
- Continuous monitoring.
- Conducting regular security audits and continuous network monitoring helps to identify and address potential vulnerabilities, ensuring that the network remains secure over time.
Implementing these techniques provides a robust defense against various cyber threats, ensuring the security and integrity of the computer network.
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