Security Boulevard

APT37 Adds New Capabilities for Air-Gapped Networks

IntroductionIn December 2025, Zscaler ThreatLabz discovered a campaign linked to APT37 (also known as ScarCruft, Ruby Sleet, and Velvet Chollima), which is a DPRK-backed threat group. In this campaign ...
Scientific Research Publishing

Why Oracle-Based Quantum Search Cannot Use Deep Loops: Physical Limits on Sequential Operations ()

Oracle-based quantum algorithms cannot use deep loops because quantum states exist only as mathematical amplitudes in Hilbert space with no physical substrate. Criticall ...
Investopedia

Fixed Amortization Method Explained: Guide and Example

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed ...
Investopedia

Comparing FIFO and LIFO Inventory Valuation Methods

How LIFO and FIFO accounting methods impact a company's inventory outlook Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and ...