Things I build, break, fix, and write about

17 September 2026
Require a BitLocker pre-boot PIN

TPM-only BitLocker is tidy until you remember what is left exposed when the machine can unlock itself. BitLocker PINs are the small, awkward step that makes a stolen laptop less cooperative, and I trust that far more than wishful thinking about physical security.

17 September 2026
Secure connectivity principles in water sector OT

Secure connectivity principles only work when the boundary is real, not decorative. I’ve seen too many remote paths that looked neat on paper and fell...

16 September 2026
Monitoring radio, transport and core faults

Private 5G resilience does not come from a cheerful dashboard or a nice radio map. I want to see where the attach failed, which path dropped, and...

16 September 2026
Pre-boot authentication for BitLocker

TPM-only BitLocker is convenient, but convenience is not the same as a proper boundary. BitLocker PINs push that line back to pre-boot, which is where...

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16 January 2026
Downloading and analysing PCAP files in Wireshark

I use Packet Capture in Sophos Firewall WebAdmin every week. It is the quickest way to see what the firewall actually sees. I capture traffic on the appliance, download the PCAP, and check it in...

15 January 2026
Upgrading Sophos XGS126 from firmware 19.5.x to 21.5

Sophos XGS126 firmware upgrade. Follow a clear checklist. Confirm your current firmware and SSD firmware. Back up your config twice off-box. Read release notes and follow required intermediate...

15 January 2026
Resolving PDQ Connect package failures with Sophos XDR

What you see Error codes from PDQ Connect Typical PDQ output looks like this: Step failed, Exit Code: 1 The PDQ deployment log shows the step failed and returned code 1 Exit code 1 is a generic...

14 January 2026
Troubleshooting Sophos Home Edition firmware update errors

Facing firmware update errors on Sophos Home Edition? This guide offers practical troubleshooting steps to help you identify and fix common issues effectively.

14 January 2026
n8n | n8n@2.3.4

n8n version 2.3.4 released on January 13, 2026, focuses on fixing CLI import bug (#24215). Check release notes for version comparison details.

13 January 2026
Transitioning from Windows to Ubuntu: Key commands

Transitioning from Windows to Ubuntu can seem daunting. This guide simplifies essential Linux commands, covering navigation, permissions, and package management to ease your migration.

12 January 2026
Optimising gaming performance on Linux with Proton

You can get solid Linux gaming performance with Proton on Ubuntu. Test with a live USB; install Steam, ProtonUp-Qt, drivers and Vulkan. Use gamemode and MangoHud to measure FPS, then tweak one setting...

12 January 2026
Integrating n8n with other tools for lead generation

Discover how to efficiently build lead pipelines with n8n. This guide offers practical steps for data scraping, enrichment, verification, and cold emailing.

11 January 2026
Engaging n8n users with workflows that actually get used

Unlock the secrets to user retention in open-source software like n8n. Discover actionable steps to enhance workflows, streamline onboarding, and boost community engagement today!

11 January 2026
Weekly Tech Digest | 11 Jan 2026

Stay updated with the latest in tech! This digest covers AI ethics, auto industry shifts, and the impact of politics on technology, exploring today's pressing issues.