RSS Parrot

mCaptcha: Replacing Captchas with Rate Limiters to Improve Security and Accessibility

https://cacm.acm.org/research/mcaptcha-replacing-captchas-with-rate-limiters-to-improve-security-and-accessibility/

Published: September 26, 2024 13:46

An overview of mCaptcha, a variable-difficulty-based proof-of-work captcha system that addresses the security, usability, and privacy issues with other captchas.

Rational Gambling

https://cacm.acm.org/opinion/rational-gambling/

Published: September 26, 2024 13:27

What should you bet to maximize your probability of doubling your money in a scenario where you are willing to lose all your money?

Do All Problems Have Technical Fixes?

https://cacm.acm.org/article/do-all-problems-have-technical-fixes/

Published: September 26, 2024 13:26

Tech solutionism and its variants all express confidence that technology can solve non-technical problems, with costs and other drawbacks considered as secondary.

Elevating Security with Arm CCA

https://cacm.acm.org/practice/elevating-security-with-arm-cca/

Published: September 25, 2024 20:47

RME introduces a new kind of confidential compute environment called a realm.

Neural Architecture Search as Program Transformation Exploration

https://cacm.acm.org/research-highlights/neural-architecture-search-as-program-transformation-exploration/

Published: September 25, 2024 19:42

This paper shows that program and neural architecture transformations can be interleaved delivering significant performance improvement and greater expressivity.

Technical Perspective: Optimizing Convolution Neural Nets with a Unified Transformation Approach

https://cacm.acm.org/research-highlights/technical-perspective-optimizing-convolution-neural-nets-with-a-unified-transformation-approach/

Published: September 25, 2024 19:41

The key idea in "Neural Architecture Search for Program Transformation Exploration," by Jack Turner et al., is to express model architecture search as a program transformation, such that it can be naturally unified with the optimization and compilation…

A Brief History of Blockchain Interoperability

https://cacm.acm.org/research/a-brief-history-of-blockchain-interoperability/

Published: September 24, 2024 17:33

Four trends shaping today's interconnected blockchain ecosystems.

Confidential Container Groups

https://cacm.acm.org/practice/confidential-container-groups/

Published: September 23, 2024 17:41

Cloud computing poses challenges for systems that require confidentiality.

The Semantic Reader Project

https://cacm.acm.org/research/the-semantic-reader-project/

Published: September 19, 2024 19:31

Advances in AI and HCI can power intelligent, interactive, and accessible reading interfaces to improve scholarly reading.

AI Should Challenge, Not Obey

https://cacm.acm.org/opinion/ai-should-challenge-not-obey/

Published: September 18, 2024 17:23

Between the two extreme visions of AI as a servant and AI as a sentient fighter-lover, resides an important and practical alternative: AI as a provocateur.

Private Crypto Versus Public Digital

https://cacm.acm.org/opinion/private-crypto-versus-public-digital/

Published: September 4, 2024 20:52

What are the implications of governments competing with private crypto and existing electronic payment systems?

The Global Digital Compact

https://cacm.acm.org/opinion/the-global-digital-compact/

Published: September 4, 2024 16:56

There is a critical need for better software design, development, test, and propagation processes.

Faster Integer Programming

https://cacm.acm.org/news/faster-integer-programming/

Published: September 3, 2024 16:20

A paper by Victor Reis and Thomas Rothvoss proved a new upper bound on the time required to solve for any integer program.

The Promethean Dilemma of AI at the Intersection of Hallucination and Creativity

https://cacm.acm.org/opinion/the-promethean-dilemma-of-ai-at-the-intersection-of-hallucination-and-creativity/

Published: August 29, 2024 16:42

To what extent can the hallucinations of generative AI models be considered creative?

Non-Volatile Memory Technology Poised for Game-Changing Breakthrough

https://cacm.acm.org/news/non-volatile-memory-technology-poised-for-game-changing-breakthrough/

Published: August 28, 2024 21:20

The advantages of phase-chain memory superlattices are clear and demonstrably outweigh potential crosstalk concerns.

A Security Model for Web-Based Communication

https://cacm.acm.org/research-highlights/a-security-model-for-web-based-communication/

Published: August 28, 2024 16:52

We propose an algorithmic security model based on the widely deployed technologies DNSSEC and Web PKI to cover the dimensions of identification, resolution, and transaction.

Technical Perspective: Revealing the Cracks in AA Services

https://cacm.acm.org/research-highlights/technical-perspective-revealing-the-cracks-in-aa-services/

Published: August 28, 2024 16:49

"A Security Model for Web-Based Communication," by Pouyan Fotouhi Tehrani et al., presents a new study of alerting authorities and their cybersafety measures.

Repeat, Reproduce, Replicate

https://cacm.acm.org/opinion/repeat-reproduce-replicate/

Published: August 27, 2024 16:32

If computing science wants to really be a science, we need to think about how we encourage people to defend their scientific claims with reproducible results.