BEER-SHEVA...August 15, 2019 - While many organizations and home networks use a host and guest network on the same router hardware to increase security, a new study by Ben-Gurion University indicates that routers from well-known manufacturers are vulnerable to cross-router data leaks through a malicious attack on one of the two separated networks.

According to Adar Ovadya, a master's student in BGU's Department of Software and Information Systems Engineering, "all of the routers we surveyed regardless of brand or price point were vulnerable to at least some cross-network communication once we used specially crafted network packets.

A hardware-based solution seems to be the safest approach to guaranteeing isolation between secure and non-secure network devices."

The BGU research was presented at the 13th USENIX Workshop on Offensive Technologies (WOOT) in Santa Clara this week.

In an organization, data traffic sent may include mission-critical business documents, control data for industrial systems, or private medical information.

The goal of these policies is to prevent network intrusions and information leakage by separating sensitive network segments from other segments of the organizational network, and indeed from the general internet.

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