Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

Abstract: We evaluate the performance of the LoRaWAN Long-Range Frequency Hopping Spread Spectrum (LR-FHSS) technique using a device-level probabilistic strategy for code rate and header replica ...

H-1B Visa New Rules: US President Donald Trump’s administration has reportedly ordered an enhanced vetting of H-1B visa applicants for highly skilled workers and anyone possibly involved in ...

WASHINGTON, Dec 3 (Reuters) - The Trump administration on Wednesday announced increased vetting of applicants for H-1B visas for highly skilled workers, with an internal State Department memo saying ...

Sen. Mark Kelly (D-Ariz.) said Tuesday that his office has received a slew of “graphic” and “violent” threats since President Trump called him out for releasing a video telling service members that ...

Amazon Web Services on Tuesday announced three new AI agents it calls “frontier agents,” including one designed to learn how you like to work and then operate on its own for days. Each of these agents ...

Microsoft has released the KB5070311 preview cumulative update for Windows 11 systems, which includes 49 changes, including fixes for File Explorer freezes and search issues. KB5070311 is an optional ...

Can you judge the heat of a moral panic by the number of bills purporting to solve it? At the height of human trafficking hysteria in the 2010s, every week seemed to bring some new measure meant to ...

WSJ Heard on the Street Writer Asa Fitch explains how Nvidia’s recent earnings report may have helped allay concerns about a bubble in AI and tech stocks – at least, for now. Photo: Kent ...

A Florida man was arrested after an FBI investigation linked him to multiple extremist group chats on the encrypted messaging app Signal, where agents claim he used aliases to share disturbing graphic ...

In 2024, Microsoft introduced small language models (SLMs) to customers, starting with the release of Phi (opens in new tab) models on Microsoft Foundry (opens in new tab), as well as deploying Phi ...