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.
Azul, Oracle and OpenJDK now ship Java builds that block the eight eMudhra intermediates. See versions per vendor, the blocked.certs fix and how to verify.
Cameras went from the 1969 CCD to stacked CMOS. Here is how webcams, UVC, indicator lights and camera permissions work on iOS, Android, macOS and Windows.
Zigbee and Thread are 802.15.4 mesh networks; Matter is an IP application layer over Thread, Wi-Fi and Ethernet. How each one onboards and secures devices.
GATT is how Bluetooth LE devices expose data as services and characteristics over ATT. How pairing, bonding and attribute permissions protect it.
NFS shares Unix file systems over ONC RPC on port 2049. How NFSv3 and NFSv4 differ, what sec=krb5p and RPC-with-TLS protect, and how to check exports.
Install WSL with one admin PowerShell command, reboot, create a non-root Linux user, then patch WSL and Ubuntu and keep the Hyper-V firewall switched on.
Every Ubuntu LTS gets 5 years of free Main updates, then ESM through Ubuntu Pro to 10 years and Legacy to 15. Dates and coverage for 14.04 to 26.04.
Modbus is a request and reply protocol for PLC data over serial lines or TCP port 502. How RTU and TCP work, why it lacks auth, and how to secure it.
Ubuntu 16.04 LTS shipped April 2016 with kernel 4.4 and Unity 7. Standard support ended April 2021, ESM May 2026; only the Legacy add-on runs to 2031.
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