Weekly news update - 21.3.2026

Cloud: The Evolution of Foundations Amazon S3 marks its 20th anniversary by transitioning from simple object storage into a foundational ecosystem for data and AI. Key updates reaching General Availability (GA) include S3 Tables for managed Apache Iceberg optimization and S3 Vectors, which provides native storage for semantic search and Retrieval-Augmented Generation (RAG) with sub-100ms latency. Cybersecurity: The Reality of Secrets Sprawl The GitGuardian State of Secrets Sprawl 2026 report highlights a record 29 million leaked credentials on public GitHub. A major driver is the ungoverned use of AI assistants; leaked secrets for AI services surged 81% year-over-year, and internal repositories are now six times more likely to contain hardcoded secrets than public ones. AI/ML: Agentic Scaling and Infrastructure Innovation is shifting toward production-grade "agentic" workflows. OpenAI has released GPT-5.4 mini and nano, optimized for high-volume tasks and low-latency computer-use. Meanwhile, Anthropic has moved its 1-million-token context window to General Availability for Claude 4.6 (Opus and Sonnet), enabling high-fidelity reasoning across massive datasets and entire codebases. https://www.linkedin.com/pulse/weekly-news-update-2132026-eyal-estrin--y4oqf/