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Redback Council is the site of Cyber Security and Forensics.
REDBACK IT SOLUTIONS PVT LTD
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Network security management allows an administrator to manage a network consisting of physical and virtual firewalls from one central location. Administrators need network security management solutions to get a high level of visibility into network behavior, automate device configuration, enforce global policies, view firewall traffic, generate reports, and provide a single management interface for physical and virtual systems.
In today’s complex network architecture and constantly changing threat environment, it is challenging for IT staff to maintain an effective security posture. Security administrative tasks include supporting an ever-expanding matrix of users, devices, locations, and applications; adhering to compliance; enabling new services; optimizing performance; ensuring access controls and security mechanisms; and troubleshooting on demand. Any misconfiguration can make the network vulnerable to sophisticated threats and regulatory noncompliance.
To confront these challenges, network administrators need to consistently deploy security policies across their network. However, the network infrastructure might have thousands of firewall policies that have accumulated over the years. Often these rules are cluttered, duplicated, outdated, or conflict with new rules, inadvertently affecting a network’s performance and security.
Network security management provides complete visibility into the network and generates data for assets (asset groupings and classifications), firewalls, applications, ports, protocols, VPNs, NAT, and security policies and vendor devices. This information drills into the details for individual devices and is analyzed. The data is translated into intelligence that decrypts security transactions into manageable, actionable information in the form of policy creation. Updated policies are distributed to enforcement points (firewalls), ensuring network protection.
Firewalls : Researchers have found that about 40% of all internet traffic comes from malicious bots. A key component of network defense, firewalls control the traffic that flows in and out of the network.
This technology has evolved since first introduced in the early 1990s from a simple packet-filtering system to so-called next-generation firewalls, which protect the network from malware and attacks at the application level.
Network Segmentation : Network segmentation is a technique that divides the network into multiple segments, or subnets. This practice serves multiple purposes, but in terms of security, it allows you to set up and enforce granular policies, as well as restrict and control the flow between segments.
One way network segmentation protects the network is by preventing a threat from spreading—by confining an attack to a single subnet, you’re minimizing the damage.
Access Control : The purpose of network access control, or NAC, is exactly what it sounds like: control access to the network. NAC monitors the users and devices trying to connect to the network and ensures that only those that are authorized and comply with security policies can gain access.
Virtual Private Network (VPN) : A VPN creates a secure connection between a device and the network, encrypting the data that flows through. Essentially, the VPN extends your secure network to employees working remotely by creating a secure tunnel — instead of connecting directly to the internet, the employee connects through a secure server.
Email Security : Email security, such as a secure web gateway and email filtering, protects employees and other users from malware and other web-borne threats. The independent AV-TEST Institute registers more than 450,000 new malware and potentially unwanted applications every day (95% of those are malware vs. PUAs). Malicious attachments and links are one of the primary ways for malicious actors to deploy malware and gain a foothold into the network.
Data Loss Prevention : Data loss prevention, or DLP, combines technology and processes to prevent employees and other insiders from accidentally or maliciously exposing sensitive data to the outside world. This may include techniques such as preventing files from being uploaded, encrypting of data in motion, and monitoring endpoint activities.
Intrusion Prevention/Intrusion Detection Systems : Intrusion prevention systems (IPS) and intrusion detection systems (IDS) work in similar ways to monitor network traffic and prevent various types of attacks, such as denial-of-service and brute force. The main difference is that IDS is passive—it sends you alerts but you must act on them, whereas IPS actively applies the controls.
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