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Detecting Covert Channels in Packet Delays

One of the classic ways to smuggle information out of a watched network is to encode the data in the time delays between packets that are sent. Vincent Berk, Annarita Giani, and George Cybenko at Dartmouth College just published a…

One of the classic ways to smuggle information out of a watched network is to encode the data in the time delays between packets that are sent.

Vincent Berk, Annarita Giani, and George Cybenko at Dartmouth College just published a technical report with techniques for ferreting out the use of such covert channels.

The problem with these channels, as the paper notes, is that they do not carry a lot of information. The advantage, of course, is that they are nearly invisible to most network managers.

Deep Dive

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Uber Autonomous Vehicles parked in a lot
Uber Autonomous Vehicles parked in a lot

It will soon be easy for self-driving cars to hide in plain sight. We shouldn’t let them.

If they ever hit our roads for real, other drivers need to know exactly what they are.

stock art of market data
stock art of market data

Maximize business value with data-driven strategies

Every organization is now collecting data, but few are truly data driven. Here are five ways data can transform your business.

Cryptocurrency fuels new business opportunities

As adoption of digital assets accelerates, companies are investing in innovative products and services.

Yann LeCun
Yann LeCun

Yann LeCun has a bold new vision for the future of AI

One of the godfathers of deep learning pulls together old ideas to sketch out a fresh path for AI, but raises as many questions as he answers.

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Illustration by Rose WongIllustration by Rose Wong

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