![]() Helping preventing access by unauthorized users through the Internet. ![]() Many cyberthreats are caught at the network level, and for advanced malware that may sneak past, the other layers of Norton Device Security technology go to work detecting, quarantining and removing threats from your computer.Īs a key component in cybersecurity solutions, firewalls help protect your devices specifically by doing the following: Likewise, the role of Intrusion Prevention System in network-based protection is to carefully examine the traffic that the Smart Firewall has allowed to enter in. At the next layer of airport security, security officers and x-ray machines inspect the baggage of authorized passengers who have already passed through the first layer of security. Similarly, the Smart Firewall allows permitted traffic into a network and blocks unpermitted traffic from entering. The first security check at an airport checks passengers' identification and tickets, only allowing permitted passengers to pass through. You could compare the jobs of the Smart Firewall and Intrusion Prevention System in network security to the jobs of different security checks at an airport. Each has a different job, but they complement each other toward the same goal of detecting and helping block malware and intrusions at the network level. ![]() In Norton technology, the Smart Firewall and Intrusion Prevention System complement each other to detect malware and intrusions from network traffic.
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