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Channel: Security and Privacy – Communications of the ACM
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The Science of Detecting LLM-Generated Text

Recent advancements in natural language generation (NLG) technology have significantly improved the diversity, control, and quality of large language models (LLM)-generated text. A notable example is...

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Indistinguishability Obfuscation from Well-Founded Assumptions

1. Introduction Consider the polynomial f1(x,y)ɛℤ[x,y] that is computed as follows: f 1 ( x , y ) = ( x + y ) 16 − ( x − y ) 16 Alternatively, contemplate the polynomial f2(x,y)ɛℤ[x,y] that is...

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Technical Perspective: Hiding Secrets in Programs

Can we create computer programs that do not reveal anything about their inner workings? This is the goal of program obfuscation. An obfuscator is a compiler that transforms a program into an...

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Disinformation 2.0 in the Age of AI: A Cybersecurity Perspective

According to a report from Lloyd’s Register Foundation,a at present, cybercrime is one of the biggest concerns of Internet users worldwide, with disinformationb ranking highest among such risks (57%...

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Internet of Things Security and Privacy Labels Should Empower Consumers

The White House launched a new U.S. Cyber Trust Mark in July 2023, unveiling the design and announcing the U.S. Federal Communications Commission (FCC) would be soliciting comments on a wide range of...

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Verifying Correctness

Cryptographer and 2022 ACM Prize winner Yael Tauman Kalai is keenly aware of the trade-offs that often must be made between security and computational efficiency. Kalai, who works as a Senior...

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Defending the Business

Nothing brings an issue into focus like the repeated assertion of the significance of its risk. The enterprise has no greater risk than a cyber incident, such as a ransomware attack, data breach, or...

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The Campaign Against Deepfakes

Politics has never had a great reputation. Candidates fib, lie, and toss insults at each other with near-impunity. Opponents bend, distort, and misrepresent each other’s words. Yet in the age of...

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Validating Factual Personal Information

We are called upon, frequently, to validate personal information: name, address, phone number, birth date, national identification number, birthplace, employment, educational record, and more. Often...

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Unlocking the Potential of Zero-Knowledge Proofs in Blockchain

Zero-Knowledge Proofs (ZKPs) are becoming a standard within blockchain technology, helping to maintain transactional privacy and integrity, highlighting their potential to create a more secure and...

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