General
Lean 4 proof of a red-black tree with insertion and sorting properties. The author proves the tree remains sorted after insert, using inductive definitions for Black and Node; notes the insert_sorted proof is lengthy and suggests leveraging mathlib.
This security write-up analyzes CVE-2026-4747, a stack-based overflow in FreeBSD kgssapi.ko RPCSEC_GSS that can enable remote kernel code execution over NFS when a valid Kerberos c…
The article explains why BGP is insecure and how RPKI can secure routing. It documents ongoing deployments by major ISPs implementing RPKI-origin validation and route filtering, an…
Ars Technica delivers a detailed preview of NASA's Artemis II launch, outlining the crew, window, fueling choreography, and major milestones. The article explains the countdown flo…
Cloudflare introduces EmDash, a TypeScript-based, serverless CMS intended as a secure successor to WordPress. It runs plugins in isolated Dynamic Workers with explicit capabilities…
AI News
The Register interview with Linux kernel maintainer Greg Kroah-Hartman discusses a shift in AI-assisted bug reports and reviews from low-quality outputs to more credible, actionable insights. He notes that AI is increasingly used as a reviewer and helper rather than a creator, helping with quicker feedback and patch generation, but also increasing overall review load. The piece highlights open-source tooling like Sashiko and emphasizes that AI remains additive and requires careful integration to avoid overwhelming maintainers.
The Register interview covers Greg Kroah-Hartman’s take on AI-generated bug reports for the Linux kernel, noting a shift from junk to high-quality, actionable reports. It highlight…
Email Security
A practical guide evaluating common email obfuscation techniques used to hide addresses from spammers, with measured effectiveness and usability tradeoffs. The article categorizes plain-text and clickable-link methods, notes accessibility considerations, and emphasizes combining techniques while recognizing that no single method is perfectly secure. It also describes a methodology based on honeypot data to gauge which techniques survive real-world harvesting.