Your network security is at risk. How can you monitor it effectively?

To monitor network security effectively: 1. Use network traffic analysis tools. 2. Deploy IDS/IPS solutions. 3. Implement a SIEM platform. 4. Utilize EDR solutions on endpoints. 5. Conduct regular vulnerability assessments and pen tests. 6. Employ UBA tools for user behavior monitoring. 7. Ensure timely patch management. 8. Provide security awareness training. 9. Develop an incident response plan. 10. Continuously review and improve security measures.

These days, the network scope has extended beyond the perimeter of the corporate network to the location of the endpoints with corporate data. So the following is very important to identify the right scope: 1. Asset inventory and this should also include location where possible. 2. Deploy tools that will make incident identification and response quick, where you can automate responses. 3. Implement a SIEM that gets logs from the security solutions in different security zones. 4. Hire the right skill set 5. Create the right cybersecurity culture by having a robust training culture. Just some few points to note

La connaissance de son infrastructure, et donc l'étendue de son réseau est essentielle. Mais 1 aspect doit être omniprésent dans la réflexion, il s'agit de la mesure de la surface d'exposition aux menaces, et donc de la, vulnérabilité offerte. Pour limiter les risques,le cloisonnement est une notion vitale. Pour passer d'une zone à l'autre, les frontières doivent être doublées par des équipements de constructeurs ou d' éditeurs différents mais la rupture protocolaire reste une valeur s?re en termes de sécurité. Ne jamais oublier que l'humain est souvent la clé du succès tout comme il constitue une permanente fragilité

- Investimento em ferramentas de monitora??o e analise de tráfego. - Investir em treinamentos e conscientiza??o dos colaboradores - Trabalhar de um modo predictivo identificando comportamentos que possam parecer suspeitos.

- Intrusion Detection and Prevention Systems (IDPS) - SIEM Systems - Vulnerability Assessments and Pen Testings - Endpoint Protection - Training and Awareness Programs - Incident Response Team

Network segmentation involves dividing a network into smaller, manageable subnets based on function, location, or security level. This technique enhances network security by isolating incidents, reducing attack surfaces, and enforcing specific access controls and firewall rules. It also boosts network performance and efficiency. Implementing network segmentation requires utilizing routers, switches, firewalls, and virtual LANs (VLANs) to establish logical or physical boundaries between network segments. This approach allows for more tailored security measures and better control over network traffic.

Something that everyone could implement to manage costs. In a perfect world IT budgets would be unlimited and we could have all the toys. This however is never the case. Your networks always need to be manageable. Be in divided on the basis on applications or throughput.

To effectively monitor and protect it, implementing network segmentation is key. This technique divides your network into smaller, more manageable subnets based on function, location, or security level of network components, enabling isolation and containment of security incidents, reducing attack surface and network vulnerability, enforcing granular access controls and firewall rules, and improving network performance and efficiency. To implement network segmentation, routers, switches, firewalls, and VLANs can be used to create logical or physical boundaries between network segments.

Implemente segmenta??o de rede para dividir sua infraestrutura em zonas isoladas. Isso reduz a superfície de ataque, impedindo a propaga??o de amea?as e aumentando a visibilidade, facilitando a detec??o e resposta a atividades suspeitas de maneira mais eficaz.

Many business stake holders fear work interruption or road blocks with network segmentation. Fear of not being able access data or equipment on a different segment often stops proper segmentation from being implemented. Its not about stopping business data flow but it is about isolating your network and only allowing specific data to get past segmentation boundaries that should be closely monitored.

The Zero Trust and Perimeter Wall models employ network security tools with a fundamental difference in focus. Commonality: Both models use tools like SIEM to analyze network activities, aiming for threat detection and network integrity. Zero Trust emphasizes continuous verification inside the network, utilizing Microsegmentation and HIDS/EDR for detailed internal oversight. Perimeter Wall focuses on border defense, relying on NIDS and Firewalls to prevent external breaches. Key Difference: Zero Trust checks every internal request for strict access control, while Perimeter Wall guards the network's entry points against outside threats. This approach highlights how each model shapes its security strategy.

You may want to use specific tools like Wireshark, Nexpose, Splunk, Nessus Pro, Nagios, Tor, and Metasploit for many purpose. You may also want to integrate with Community-Based Threat Intelligence feeds to scan your network using a list of known bad actors. This to anticipate and respond threats effectively. Use AI and advanced analytic tools to evaluate network state based on data: protocols, traffic pattern, flow, and packet data. Continuous Security Monitoring (CSM): provide realtime alerts for any unusual behavior. Integration with other security technologies. In example IDS and firewall for more comprehensive security posture. Regular update and Learning. Network security tools must be constantly updated.

Implementing a Security Information and Event Management (SIEM) solution is crucial for effective network security monitoring. SIEM systems aggregate and analyze data from various sources to provide real-time insights into potential threats. Custom rules and alerts help identify and respond to security incidents swiftly. Automation streamlines incident response, enhancing overall security posture. Regular reviews, vulnerability assessments, and staying informed about emerging threats are also vital for maintaining network security.

Network security monitoring tools are software or hardware devices used to collect, analyze, and alert on network traffic and activity. They can detect and respond to threats, anomalies, and incidents, as well as measure and optimize network performance and health.

Monitoring traffic with traditional solutions brings value, but a lot is still missing in the network traffic world. After implementing the monitoring of the equipments that evolves your network infrastructure, you will need something that brings more value to the area. You will need to implement an inteligent monitoring solution, like a Network Detection and Response one, with capabilties to see through encrypted traffic, automaticaly detects anomalies and threats, and has the ability to also respond to these threats autonomously.

Configuring policies for network security monitoring significantly varies between the Zero Trust and Perimeter Wall security models, reflecting their distinct approaches to safeguarding network resources. - Zero Trust Model: Focus on continuous verification and least-privilege access, regardless of a user's or device's location. The Policy Configuration involves Dynamic Access Controls, Microsegmentation and Anomaly Detection. - Perimeter Wall Model: Emphasize strong border defenses and implicit trust once inside the network perimeter. The Policy Configuration includes Firewall and Gateway Rules, VPN Access Policies and Intrusion Detection and Prevention (IDS/IPS).

In comment #4, there is a misunderstanding between tactics and strategy. A Strategy focuses on why and tactics on how. Metrics focus on expected findings and then analysis on the assessment of those findings. I think this statement points out that the schedule is the real point here. The security policy should have a lifecycle policy (with management points that define changes to the normal security procedures). The schedule then has management points where metrics can be taken to assess compliance to the policies.

Configure políticas de monitoramento definindo regras claras para análise de tráfego, detec??o de atividades suspeitas e resposta a incidentes. Estabele?a critérios específicos, limites de acesso e alertas personalizados para garantir uma monitora??o eficaz e adaptável às amea?as em evolu??o.

When configuring network security monitoring policies, consider: Scope and Frequency: Determine how extensively and often to monitor. Balance thoroughness against network performance and resource constraints. Sources and Methods: Select appropriate protocols and formats for data collection and transmission, utilizing the most effective tools and techniques for your network's needs. Thresholds and Alerts: Establish criteria for alerts, defining parameters for normal versus abnormal behaviors to identify potential security issues promptly. These policies should align with your network's specific requirements and architecture, ensuring robust security without overburdening the system.

Monitoring policies is an important part of the process. You need to establish comprehensive monitoring policies aligned with your security objectives. You need to define rules for identifying suspicious activities and potential security incidents. Then fine-tune alert thresholds to minimize false positives and prioritize critical alerts.

This is the part that is considered as continuous improvement. Regularly assess and update monitoring tools to address emerging threats. Conduct periodic reviews of security policies and adjust them based on evolving risks, and stay informed about new vulnerabilities, attack techniques, and security best practices.

Maintaining an effective network security posture requires continuous evaluation and updating of monitoring strategies. To safeguard against evolving threats, focus on: - Review Security Policies: Regularly update policies to match the current threat landscape and organizational needs. This dynamic approach enables proactive responses to emerging threats and closes potential security gaps. - Update Security Tools: Keep security tools up-to-date to protect against new vulnerabilities. - Security Audits: Perform regular security audits and assessments, both internal and external. Penetration testing offers real-world attack simulations, providing valuable insights to refine security strategies.

Ter a melhor aplica??o de monitoramento e nào fazer nada com os dados que ela te traz é pior que n?o ter. Dessa forma invista na ferramenta mas tb nas pessoas do time que ir?o utilizar. Conscientiza??o tb é necessário.

Algunas ideas: - Ejecutar pruebas de penetración y cerrar puertos y servicios innecesarios. - Cifrar los datos confidenciales que viajan a travez de la red con llaves de cifrado modernas. - Mantener los Sistemas Operativos actualizados, desarrollar aplicaciones seguras (OWASP) y mantener el POLP (Principio del mínimo privilegio) a los usuarios internos, ya que la mayoría de los ciberataques provienen de manera Interna.

Incorporate Threat Intelligence Enhancing your network security monitoring with threat intelligence can significantly improve its effectiveness. Integrate threat intelligence feeds to gain insights into the latest threats and vulnerabilities that could impact your network. By analyzing external data sources alongside your internal monitoring data, you can identify potential threats earlier and more accurately. This proactive approach enables you to adjust your security measures promptly, improving your network's resilience against emerging risks. Additionally, sharing threat intelligence within your industry can help build a stronger collective defense.

-Inventory -Audit and logging -Know what to look for -Hire people that know what to do -Align to business objectives so budgetary restraints are mitigated

Educate your end users. They are the biggest threat to your network security. Many innocent activities lead to a breach of network security. Implement regular training on how to identify and report threats.

Passer à l’hyperconvergence facilite la segmentation, le monitoring des couches virtualisées et permet de répondre à la plupart des points, restera à gérer le contr?le des couches physiques qui subsistent et les accès externes entrants et sortants

Além de ferramentas, e até mais importante, é o trabalho de conscientiza??o dos funcionários para terem um comportamento e atitudes adequadas dentro da empresa contribuindo com a prote??o do ambiente físico e lógico. Ter a rede bem parametrizada, segregada, ferramentas de monitoramento de disponibilidade e seguran?a, correlacionar logs em um SIEM trazem sim uma seguran?a, mas se os processos n?o tiverem um nível de maturidade elevado e as pessoas n?o estiverem capacitadas a contribuir com essa prote??o, todo o investimento pode ter sido em v?o, trazendo imensuráveis prejuízos.

When enhancing your network security monitoring efforts, don't overlook Regulatory Compliance and Ethical Considerations. This approach ensures that your monitoring activities not only protect your network but also adhere to legal and ethical standards. Stay Updated on Regulations: Regularly review and understand regulations relevant to your industry, such as GDPR for data protection or HIPAA for healthcare. Ensure your monitoring practices comply with these regulations to avoid legal penalties.