There are many practices when it comes to reducing the attack surfaces.
There are many practices when it comes to reducing the attack surfaces. The hardening steps for this would be operating system hardening, network device hardening, and application hardening. First, looking more into operating system hardening to reduce the attack surface, it would be best to regularly apply security patches and updates to operating systems. Next, would be to implement a strong password for the accounts, and to disable unnecessary services and features to reduce the vulnerabilities. The next one would be network device hardening and for this, you would change default credentials on network devices. Disable unnecessary services and ports, and use strong encryption protocols for communication. Lastly, looking more into application hardening you would need to regularly update and patch applications to address vulnerabilities, configure applications securely, disable unnecessary features, and implement application firewalls to monitor the traffic coming in and out. Now looking at network security management best practices there are three I’m going to go over and they’re network segmentation, intrusion prevention systems (IPS), and virtual private network (VPN) security. First, looking at network segmentation this segments the network into zones to isolate the potential threats, and to implement firewalls between the segments of the network to help control the traffic. Next, is intrusion prevention systems (IPS) which can configure IPS to block or prevent detected threats, and to deploy IPS to monitor the network for malicious exploits or any security violations. Lastly, is virtual private network (VPN) security which ensures secure and properly configured VPNs for remote access, and the use of strong encryption and authentication ways. Overall, there are a lot of ways to reduce the attack surface.
Next, looking into ensuring authentication, authorization, and accounting (AAA) is important. I’m going to go in-depth on three different types which are Multi-Factor Authentication (MFA), Role-Based Access Control (RBAC), and Centralized Authentication and Authorization. First, looking at the multi-factor authentication it can add an extra layer of security, and enforce it for access to resources and systems that are critical. Next, would be role-based access control. This can define roles and assign permission based on the principle of least privilege, and can regularly review and update user roles and permissions. Lastly, centralized authentication and authorizations can implement robust authorization to control resource access.
Lastly, there are many ways to prevent or respond to instructions. First, would be having security information and event management to implement monitoring for suspicious activities in real time, and to deploy solutions to analyze log data for signs of security incidents. Another way is to have an incident response plan to establish a response team with roles and responsibilities. Also, to develop and test to outline procedures to mitigate security incidents. Regular security audits and penetration testing can also help because they can identify vulnerabilities and show findings from the tests. Lastly, just to continue monitoring to detect potential security threats, and to always update based on upcoming threats. Overall, there are many ways to enhance the security posture of an organization. It’s important to know all of these different ways to help prevent threats from happening.
-Thank you!
-Jaredth Mallari
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