Traditional networking security model failing

By Sheila Shanker
Updated: August 11, 2011

Beware—firewalls and IPS devices may give you a false sense of security. When you’re concerned about your network security, other issues should be considered, such as the introduction of viruses from insiders, and the possibility of confidential information going out, such as the case with Keyloggers and similar programs that transmit data out from your system. If a Trojan-type is able to get into your network, it will stay there, undetected, roaming around, creating havoc until it's found.

The idea that the traditional, perimeter-type of security is enough to make your network safe is no longer valid. You should protect your internal data, limit your exposure and identify viruses and other malware with programs, such as vGW Series Virtual Gateway. The goal is to limit access to everything and everyone, so that if something invades your network, your risk potential is minimized.

Nowadays, you should look at your security using a more holistic way, not only using traditional services, but also other technology, such as Virtual Hypervisor Firewalls, Data Loss Prevention (DLP) and Network Access Control (NAC). The security should exist between your data and any I/O connecting the data and an external device. You must have layers of security and not rely on your firewalls and IPSs to provide you with adequate controls.

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