Weekly news update - 10.4.2026

Cloud: Amazon S3 Becomes a File System The long-standing architectural wall between S3 buckets and local file systems has collapsed. With the launch of Amazon S3 Files, AWS now provides a kernel-level, high-performance way to mount S3 buckets directly onto Linux and Windows. Unlike older workarounds that suffered from "eventual consistency" lag, this native feature brings strong consistency and local caching. For architects, this means legacy applications can finally treat the cloud's largest storage pool as a local disk without rewriting a single line of code. Cybersecurity: The "Agentic" Visibility Crisis As AI agents move from chat interfaces to the "Action Layer" of the enterprise—making API calls and executing business logic—security is falling behind. The 1H 2026 State of AI and API Security Report highlights a massive blind spot: nearly half of organizations cannot monitor machine-to-machine traffic. With traditional tools like WAFs proving ineffective against authenticated API abuse, the industry is entering a "visibility crisis" where autonomous agents are operating in trusted systems with almost zero oversight. AI/ML: Anthropic's Mythos and the Future of Defense The release of Claude Mythos via Project Glasswing marks a turning point where AI is no longer just a coding assistant but a proactive security researcher. Integrated into the Linux Foundation's infrastructure, Mythos is designed for autonomous vulnerability discovery and remediation in open-source codebases. While it can solve 44% of complex Capture the Flag (CTF) challenges, its real value lies in its ability to map attack surfaces and generate functional patches for zero-day flaws before they can be exploited. https://www.linkedin.com/pulse/weekly-news-update-1042026-eyal-estrin--pxxjf/