Network Access Control (NAC)

A firewall is a system or group of systems that controls network traffic between trusted and untrusted networks according to pre-configured rules. There are different types of firewalls including packet filtering, stateful packet inspection, application-level gateways, and circuit-level gateways. Firewalls work by examining packets and filtering traffic based on criteria like source/destination addresses and ports to enforce a security policy between networks.

1. Zero Trust Network Access (ZTNA) is a security model that provides secure remote access to applications and services based on defined access policies, unlike VPNs which grant complete network access. 2. ZTNA gives users access only to approved services without placing them on the network or exposing apps to the internet. 3. The document discusses the principles and methodology of ZTNA, including continuous authentication, authorization for every interaction, microsegmentation, and least privilege access.

In this PPT you can learn a firewall and types which help you a lot and you can able to understand. So, that you must read at once I sure that you are understand Thank you!!! I

** Cyber Security Course: https://www.edureka.co/cybersecurity-certification-training ** This Edureka PPT on "Cybersecurity Fundamentals" will introduce you to the world of cybersecurity and talks about its basic concepts. Below is the list of topics covered in this session: Need for cybersecurity What is cybersecurity Fundamentals of cybersecurity Cyberattack Incident Follow us to never miss an update in the future. Instagram: https://www.instagram.com/edureka_learning/ Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka

The document summarizes Palo Alto Networks next-generation firewalls which can identify applications, users, and content to provide visibility and granular control. This helps address challenges of uncontrolled use of internet applications in enterprises. The firewalls can see through ports and protocols to classify over 900 applications using techniques like App-ID, User-ID, and Content-ID. This gives IT unprecedented control over network activities.

Become Wireshark Certified - https://www.udemy.com/wireshark-tutorial/?couponCode=CEWS Understand Wireshark and how this network analyzer tool can help you succeed in your Wireshark job!

This document summarizes an advanced Wi-Fi pentesting presentation by Yunfei Yang from PegasusTeam and 360 Security Technology. It begins with background on PegasusTeam focusing on wireless and IoT security and 360 Security Technology as an Internet security company. The outline then covers the basics of Wi-Fi connection establishment and common wireless attacks. More advanced topics discussed include attacking WPA2-Enterprise, rogue access points, and password sharing apps. The document concludes with summaries of PegasusTeam's wireless security research including a wireless intrusion prevention system, drone detector, Wi-Fi miner detector, and GhostTunnel for covert data exfiltration across air gaps using Wi-Fi frames.

Endpoint security is the cybersecurity approach to defending devices like desktops, laptops, and mobile devices from malicious activity. It works by examining files, processes, and system activity for suspicious indicators from a centralized management console. While endpoint security usually refers to an on-premise solution, endpoint protection refers to a cloud-based solution. Endpoint security is important because every remote endpoint can be the entry point for an attack as organizations have increased their use of remote work and BYOD policies. Top endpoint security vendors include ESET, CrowdStrike, Check Point, and Kaspersky, which offer features like endpoint protection, email security, cloud-based control, sandboxing, and security awareness training.

The document provides an overview of network security threats and countermeasures. It discusses various types of threats like viruses, denial of service attacks, and spoofing. It recommends a defense-in-depth approach using multiple layers of security like firewalls, intrusion detection systems, antivirus software, and encryption. Specific security measures are examined, including network monitoring, access control, and securing servers and applications.