You're navigating the world of network security. What essential networking skills do you need for success?

One tip I always recommend is to set up a small lab at home. It's a hands-on way to learn how different devices interact and to experiment with configurations. Also, diving into packet analysis with tools like Wireshark can give incredible insights into what's happening behind the scenes.

Networking fundamentals can be divided into three main categories of design, hardware and software. In design perspective, you need to understand different control and networking layers, different safety, control and 3rd party layers, different security and access level layers and etc.; In hardware aspect, the networking components and devices and pertaining applications and different physical medias are being approached. When it comes to software, communication typologies, communication protocols, security vulnerabilities and etc. are the fields which are required to be mastered.

While the CIA triad is fundamental, it's also crucial to consider the human element in security. Often, social engineering attacks bypass even the best technical defenses. I beleive regular training and awareness programs can be just as important as technical measures.

With a cloud connected world where a second of disconnection of it makes it very hard to do businesses, one of the most complex issues is how to deal with the security vulnerabilities. This field of process automation has become so demanding that in some industries in order to secure any external or even internal intrusion to sensitive data, cyber security contractor is being employed and its security become assessed to ensure well protected network across the enterprise. Understanding cyber security (ISO 27001, ISO 17799, IEC 62443 and etc.) terms like, server hardening, antivirus protection, soft and hard firewalls, hardware and software access restriction levels, centralized authentication and etc. is of high importance.

Fundamentals of Security: Understanding core security principles, such as confidentiality, integrity, and availability (CIA triad). Security Protocols: Knowledge of security protocols and technologies like SSL/TLS, IPSec, and encryption standards. Access Controls: Proficiency in implementing and managing access controls, including authentication methods, authorization, and role-based access control (RBAC).

Depending on the level of interaction and necessity of the secured network to the cloud world, the cyber security policies and complexity will be different. Where less sensitive data are being located or nodes where are inherently less reachable due to being in a far less accessible part of the network, the cyber security policies are become less complex. Whereas, dealing with DMZ (L3.5) network, business network (L4) or 3rd party controllers, required much more complex strategies. Strategies like hard firewall with highly restricted port filtering is being seen in the most complex locations of the network.

One of the factors which influence the cyber security is centralized authentication across the network which is being practiced through network management station. In huge networks, in order to mitigate external intrusion, certain procedures are required to be taken to grant access to a new device to the network. Example of these restrictions and monitoring policies can be found where a devices gets connected to a WIFI network but in seconds gets kicked out of it. This is doable through continuous MAC address monitoring and filtering which have been embedded in the system. To ensure secure network, a dynamic and intelligent cyber security, networking monitoring and access grant mechanism are required to be designed and implemented.

Absolutely, continuous monitoring is a key component of a robust security posture. I’ve found that integrating automated alerting systems with IDS/IPS can significantly reduce response times. also, analyzing network logs can be challenging sometimes, but leveraging machine learning tools can help identify patterns that might go unnoticed otherwise.

Cyber attacks and intrusion is considered an incident, where varies and depends on the robustness of the cyber security policies, where any attack in well-secured networks are usually catastrophic as it pertains the strong skills of the intruders and usually implies huge destructive and information leakage targets across the network, however, a secure network needs to have automated plan B for how to conquer, contain and limit the attack's consequences. TRUE Cyber Attacks need to be IDENTIFIED quickly and then MANAGED and RESPONDED rapidly. Do the followings: 1. Restrict access to the intruded area (internal or external) 2. Hire investigating team and notify law enforcement 3. Stop shutting down any system

Absolutely, having a well-defined IR plan is critical for minimizing damage and recovery time. Also, regularly testing and updating the plan ensures everyone knows their roles during an incident. I've seen that conducting post-incident reviews not only helps in understanding the breach but also improves future response strategies.

Uma solu??o que agrega muito valor na seguran?a de redes, é a sua visibilidade. As solu??es Network Detection and Response (NDR), realiza um monitoramento e análise em tempo real, permitindo a detec??o e respostas mais rápidas de um possível incidente de seguran?a. Estas solu??es utilizam Machine Learning, IA e análise de dados, construindo um modelo de comportamento contínuo da rede, visando identificar padr?es de tráfego an?malos e suspeitos.