A young company has a new patent for using fault tolerance techniques to protect against malware infection in applications.

2 Min Read

How do you really know that an application has not been compromised? A newly patented technology is based on the premise that because you know precisely what every thread and API call are supposed to do, any divergence is a sign of trouble.

Fault-tolerance has long used multiple identical instances of an application to insure that the application can continue to function even if its hosting server goes offline. Young startup Virtual Software Systems (VS2) has been granted a patent for using that concept as a way of continuously validating application integrity.

Mario Troiana, head of development for VS2, says the company's fault-tolerant framework is called the Intentional Computing Environment (ICE). "ICE is a framework made up of several mechanisms. Collectively, they instantiate multiple replicas of an application with different processes running on different virtual machines," he says.

"It then enforces determinism of each thread of the application, so every time an API call is reached, the threads are compared to make sure they're going to the same destination in a state space," he says.

According to the company, "ICE detects and inhibits unintended application behavior caused by unpredictable events including hardware failures, malicious activity, and countless other faults." That means if there is a point of application behavior that deviates for any reason from what is expected, ICE throws an exception and halts its execution.

There are a number of components to ICE, each handling or responding to a different aspect of application or data behavior, but the entire suite is based on the idea that application behavior is deterministic — that every part of an application will respond in a predictable, known way to any input.

Troiana is quick to point out two critical aspects of the way that ICE works. First, when software is developed, standard API calls must be replaced with ICE calls. This allows the protection software to work when the code is in production. It also means that this is not a solution applicable to off-the-shelf third-party software where the customer has no access to source code.

And VS2 doesn't promote this as a complete, comprehensive security solution: the company sees it as complementary to other components in a total security architecture. 

ICE is currently available as a feature-complete technology assessment release for beta customers.

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About the Author(s)

Curtis Franklin, Principal Analyst, Omdia

Curtis Franklin Jr. is Principal Analyst at Omdia, focusing on enterprise security management. Previously, he was senior editor of Dark Reading, editor of Light Reading's Security Now, and executive editor, technology, at InformationWeek, where he was also executive producer of InformationWeek's online radio and podcast episodes

Curtis has been writing about technologies and products in computing and networking since the early 1980s. He has been on staff and contributed to technology-industry publications including BYTE, ComputerWorld, CEO, Enterprise Efficiency, ChannelWeb, Network Computing, InfoWorld, PCWorld, Dark Reading, and ITWorld.com on subjects ranging from mobile enterprise computing to enterprise security and wireless networking.

Curtis is the author of thousands of articles, the co-author of five books, and has been a frequent speaker at computer and networking industry conferences across North America and Europe. His most recent books, Cloud Computing: Technologies and Strategies of the Ubiquitous Data Center, and Securing the Cloud: Security Strategies for the Ubiquitous Data Center, with co-author Brian Chee, are published by Taylor and Francis.

When he's not writing, Curtis is a painter, photographer, cook, and multi-instrumentalist musician. He is active in running, amateur radio (KG4GWA), the MakerFX maker space in Orlando, FL, and is a certified Florida Master Naturalist.

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