peter bassill · operator
$ ls writing/ -lt

writing.

Notes from the desk, not thought leadership. Specifics over slogans. If a piece couldn't earn its keep at a kitchen table, it didn't make it here.

Total · 201 pieces Latest · 2026·10·10 Page · 6 / 9 Locale · en_GB License · CC BY 4.0
2025·10·28 Frontier AI in CNI: the regulators are paying attention Post 16 of the AI series. The autumn joint statements from the BoE, FCA and HM Treasury on frontier AI and operational resilience signal where financial-services regulators have arrived. The implications for AI in cyber security are sharper than the public conversation suggests. ai · regulation · cni · series 7 min 2025·10·18 Building a machine I can fully describe First in a six-post series on the Covert Cyber Deck — a portable slate I am building around a Pi CM5, two SDRs, a custom carrier PCB, and a hardened Ubuntu. The argument is not the hardware. It is what designing it forces you to think about. cyberdeck · privacy · sovereignty · craft 6 min 2025·10·14 Full-Disc Encryption with LUKS on Ubuntu If someone takes your machine, encryption is the difference between a hardware loss and a data breach. LUKS makes it a checkbox at install time. tutorial · privacy · luks · encryption · linux · hardening 10 min tutorial 2025·09·27 The line the ICO is now drawing Capita £14m. Advanced Computer Software £3.07m. Neither fine was for the breach. Both were for the controls that preceded it. The ICO has redrawn what "adequate security" means in evidence — and most boards have not noticed. ico · enforcement · governance · regulatory 6 min 2025·09·23 The single-tin posture: why we still ship on a Dell Post 15 of the AI series. A single Dell PowerEdge R760, racked at the customer site, running the whole platform — analyst, inference, persistence, audit. The deployment shape the hyperscaler default would have us abandon, and why we have not. ai · soc · deployment · series 7 min 2025·09·22 Setting Up Unattended Security Upgrades on Ubuntu Most Linux servers that get compromised had a patch available weeks before the breach. Unattended-upgrades applies security fixes while you sleep. tutorial · defence · patching · linux · hardening · ubuntu 8 min tutorial 2025·09·15 What pen testing now actually buys you AI-assisted offensive tooling, cloud-native estates, supply-chain shaped scope — what pen testing in 2025 actually looks like, and what boards are still mis-reading in the deliverable. pen testing · craft · governance · ned 7 min 2025·08·23 The incidents that do not make the papers What three years on the CREST Incident Response Pan-Europe board has taught me about the work the headlines never cover, and the kind of firm a customer should actually want to be on the end of the phone with. crest · incident response · craft · standards 6 min 2025·08·22 Carrying the pager: a list, not a manifesto Things you can only learn by being woken up by them. Plain language. No revelations promised. ir · operator · craft 5 min 2025·08·11 Setting Up WireGuard VPN on Ubuntu WireGuard is the VPN that replaced everything else on my network. Server setup, client configuration, DNS leak prevention, and kill switches. tutorial · defence · wireguard · vpn · linux · hardening · privacy 13 min tutorial 2025·08·09 From prepositioning to action Iran has shifted its UK-facing cyber activity from quiet infrastructure presence to operational disruption. The NCSC's August advisory on Salt Typhoon names three Chinese firms. The trajectory of 2025 is no longer ambiguous. state-aligned · attribution · governance · cni 5 min 2025·08·05 Determinism and regulatory defensibility, eighteen months later Post 14 of the AI series. The bit-identical-inference property I wrote about in 2024 is showing up in regulatory drafting. What the Cyber Security and Resilience Bill drafting work suggests about how regulators are going to evaluate AI-driven security decisions. ai · regulation · soc · series 7 min 2025·07·26 Carrying the pager, revisited A reflection on a year of mature incident-response practice — what carrying the on-call pager has taught me about the shape of leadership, the cost of not training your successor, and what the work actually looks like at three in the morning. incident response · craft · leadership 6 min 2025·07·09 Setting Up Pi-hole for Home DNS Filtering Pi-hole turns a spare machine into a network-wide ad and tracker filter. Every device benefits without any of them needing individual configuration. tutorial · defence · pi-hole · dns · privacy · home-network · families 12 min tutorial 2025·07·08 The thing an accreditation cannot do I have sat on the CREST European Council since 2022. This is what the work has taught me about what accreditation can and cannot do, and why I think the next chapter is harder than the last. crest · governance · craft · standards 6 min 2025·06·29 Synnovis, a year on One year after the Qilin ransomware attack on Synnovis took NHS pathology services in south-east London offline, what did we actually learn — and what is still unfixed? case-study · healthcare · ransomware · ned 7 min 2025·06·24 Agents in production, eighteen months on Post 13 of the AI series. The agent demos at RSA and Black Hat have got slicker. The agent in production cyber operations has, mostly, not arrived. The honest 18-month read on a category whose marketing has run ahead of its engineering. ai · agentic · soc · series 7 min 2025·06·15 Configuring UFW Firewall Rules on Ubuntu UFW is the sane front-end to iptables. This tutorial covers default-deny policies, service rules, rate limiting, logging, and the Docker gotcha that breaks all of it. tutorial · defence · ufw · linux · hardening · firewall 9 min tutorial 2025·06·14 What the retail wave actually cost M&S resumed online orders this week after 46 days offline. Co-op is counting £206m. Harrods got off relatively lightly. Three compromises, one actor, one Easter weekend — and a lesson UK retail boards are still digesting. retail · ransomware · scattered-spider · governance 6 min 2025·05·13 Cross-tenant intelligence: the privacy architecture problem Post 12 of the AI series. The architecture that turns one customer's experience into another's protection — without exposing either to the other. The privacy engineering problem nobody in the LLM space is talking about, and EmilyAI's seven principles. ai · soc · privacy · architecture · series 8 min 2025·04·01 Continuous learning at scale Post 11 of the AI series. EmilyAI has been learning from analyst feedback for six years. The LLM-as-frozen-artefact shape gets the operational properties of *the model that improves over time* structurally wrong. What that means in practice. ai · soc · learning · series 7 min 2025·03·18 Installing GoPhish on Ubuntu 24.04 LTS and Configuring DNS for Phishing Simulation Deploy GoPhish with Postfix on Ubuntu, configure SPF, DKIM, DMARC, CAA and SRV records for your sending domains, and import campaign templates. tutorial · defence · gophish · phishing · dns · postfix · security-awareness 24 min 2025·02·18 Computer Use and the operator question Post 10 of the AI series. Anthropic's Computer Use, OpenAI's Operator, Google's Project Astra. The category where AI literally moves the mouse. What this shape changes for cyber operations — and how it reads against EmilyAI's tighter action vocabulary. ai · agent · operator · series 8 min 2025·01·07 Year in cyber AI 2024: what was real, what was not Post 9 of the AI series. The 2024 retrospective. Six security copilots shipped; one major outage reshaped the resilience conversation; reasoning models arrived; agents mostly did not. The honest read going into 2025. ai · retrospective · soc · series 8 min 2024·12·10 The law, the insurance, the incident plan, and the culture that holds it all together Year-end consolidation. Your UK GDPR obligations, cyber insurance, the one-page incident response plan you need, and how to build a security culture that lasts beyond this series. small business · cyber essentials · plain english · series 9 min
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