Things I build, break, fix, and write about

5 November 2026
Embedded payloads in trojanised PDF viewers

Modified PDF viewers are a neat little delivery trick because they look like ordinary job bait until someone opens them. I keep coming back to the same point, the file name is not the danger, the loader path is; that is where the unwanted code slips in.

5 November 2026
Ransomware group fragmentation and detection priorities

Ransomware group fragmentation means the label matters less than the behaviour, and I trust activity over reputation every time. A small crew with...

5 November 2026
Security Advisory – 05 Nov 2026

Daily security advisory summary for 05 Nov 2026

4 November 2026
Linux kernel net/sched UAF constraints on CentOS 9 desktop

Linux kernel net/sched use-after-free looks messy on paper, and on CentOS 9 Desktop it is worse, because the obvious paths are blocked and the useful...

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12 April 2026
Isolating n8n in Docker: network policies and backup

Running n8n in your homelab without proper isolation is a liability. CVE-2025-68613 lets authenticated users execute code with container privileges; if that container sits on your default Docker...

11 April 2026
Running local agentic AI coding workflows without cloud subscriptions

Running a local model means no quota walls, no token metre ticking, and no surprise bills when the agent loops through ten reasoning steps. Cloud coding assistants collapse under agentic use; local...

11 April 2026
n8n | stable

n8n 2 15 1 released: fixes Google Drive v1 infinite pagination loop, upgrade to 2 15 1, test Drive workflows, report regressions, roll back to 2 15 0 if needed

10 April 2026
Blocking residential proxy traffic with stateful firewall rules

Most home routers allow everything outbound by default, which is exactly how AVRecon persisted undetected for six years. A stateful firewall with explicit outbound rules and network segmentation...

9 April 2026
Personal health data needs local storage, not cloud

Health data inside a corporate platform means health data inside a jurisdiction you do not control, encrypted or not. Self-hosting it locally—with proper backups and audit trails—trades convenience...

7 April 2026
Stopping lateral movement in homelabs: ACLs, VLAN isolation, and process confinement

A compromised host on a flat network can reach every other node without crossing a single firewall rule. Network perimeter checks are useless if the interior is trusted by default; that is where...

6 April 2026
Air-gapped browsing in homelabs: containment without

A 48-hour gap between exploit discovery and patch deployment is normal, not exceptional. Browser isolation in your homelab is not about making the browser safe; it is about making sure a compromised...

6 April 2026
Amazon Fire TV Stick HD and 2 more Amazon tech bargains

Discover the Amazon Fire TV Stick HD and more tech deals this week.

5 April 2026
Process jails and kernel isolation for untrusted agent code

Running untrusted AI agents in standard Docker containers leaves you exposed to kernel exploits that bypass every namespace and policy you've layered on top. MicroVMs add a hardware boundary that...

3 April 2026
Using IP Reputation Data from Operation Synergia in Your Botnet Firewall Rules

Operation Synergia III sinkholed 45,000 botnet and malware IPs across 72 countries with law enforcement backing. That chain of custody makes the data worth blocking at your firewall; the catch is that...