Whether hiding from predators, or avoiding battlefield casualties, camouflage is widely employed to prevent detection. Disruptive coloration is a seemingly well-known camouflage mechanism proposed to function by breaking up an object's salient features (for example their characteristic outline), rendering objects more difficult to recognize. However, while a wide range of animals are thought to...

Privacy and security concerns have adversely affected the usefulness of many types of techniques that leverage information gathered from deployed applications. To address this issue, we present a new approach for automatically sanitizing failure-inducing inputs. Given an input I that causes a failure f , our technique can generate a sanitized input I ′ that is different from I but still causes ...

Results: The detection of fraudulent raters is not easy since they can behave strategically to camouflage themselves. We explore the potential strengths and limitations of blockchain-based reputation systems under two attack goals: ballot-stuffing and bad-mouthing, and various attack models including constant attack, camouflage attack, whitewashing attack and sybil attack. Blockchain-based repu...