Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
How Japanese mathematics works: the soroban bead by bead, anzan grading, Seki Takakazu's determinants, enri and sangaku temple geometry, with worked examples.
How Chinese mathematics worked, step by step: counting rods, the Nine Chapters, fangcheng, Sunzi's remainders and root extraction before Horner.
The 16 Vedic sutras are a 1965 system of mental shortcuts. Real Indian mathematics gave the world zero, sine tables and infinite series. Both, worked.
Unbound 1.26.2 and PowerDNS Recursor 5.3.12 and 5.4.8 fix 12 CVEs, including a shared DNS decompression DoS and DNSSEC bypasses. Versions and fixes.
Apache bRPC disclosed 35 CVEs on 21 Oct 2026, led by keep-alive auth bypass CVE-2026-48830. All hit 1.17.0 and older; upgrade to 1.18.0. No attacks known.
Atlassian's 20 Oct 2026 bulletin fixes 75 bundled Tomcat, Netty, Bouncy Castle and SSHD CVEs. None is reported exploited. Upgrade to the fixed LTS.
Columbia, SC confirmed ransomware on 23 Oct 2026 after spotting suspicious activity on 20 Oct. What is offline, what still works and what cities can do.
Fibre Channel is a dedicated storage network standardised by INCITS. How fabrics, logins, zoning, LUN masking and FC-SP security actually work.
How to evaluate AI agents: task suites, trajectory grading, LLM judges and their biases, pass@k versus pass^k, sandboxes, telemetry and safety tests.
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