What is the primary function of a firewall in network security?

 I HUB Talent – The Best Cyber Security Training in Hyderabad

In today’s digital world, cybersecurity is more critical than ever. If you are looking for the best cyber security training in Hyderabad, I HUB Talent is the top choice. With expert trainers, real-world projects, and industry-recognized certifications, I HUB Talent ensures that students gain hands-on experience and in-depth knowledge in cybersecurity.

Why Choose I HUB Talent for Cyber Security Training?

  1. Expert Trainers – Learn from industry professionals with years of experience in ethical hacking, penetration testing, and network security.

  2. Comprehensive Curriculum – Covers key topics like ethical hacking, malware analysis, cloud security, and incident response.

  3. Hands-on Learning – Real-time projects, lab sessions, and case studies to enhance practical skills.

  4. Certification Assistance – Get guidance for top cybersecurity certifications like CEH, CISSP, CISM, and CompTIA Security+.

  5. Placement Support – Strong connections with top IT companies to help students secure cybersecurity jobs in Hyderabad and beyond.

  6. Cybersecurity is crucial because it protects sensitive data, systems, and networks from cyber threats like hacking, malware, ransomware, and data breaches.

Social engineering in security refers to the manipulation of people into performing actions or divulging confidential information, often by exploiting human emotions such as trust, fear, or urgency. Instead of attacking a computer system directly, social engineering targets the human element of security, making it one of the most effective and dangerous forms of cyberattack.

The primary function of a firewall in network security is to monitor and control incoming and outgoing network traffic based on predetermined security rules.

In simple terms:

A firewall acts as a barrier between a trusted internal network and an untrusted external network (like the internet), deciding which traffic is allowed or blocked.

Key functions include:

  • Filtering traffic based on IP addresses, ports, protocols, and applications.

  • Preventing unauthorized access to or from a private network.

  • Blocking malicious traffic such as viruses, worms, and hackers.

  • Logging and alerting about suspicious activity.

There are different types of firewalls (e.g., hardware, software, next-gen), but they all serve this core protective role.

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