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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23 June 2026
Hardening ig build against command injection

Inspektor Gadget OCI images sound harmless until a build value slips into shell syntax and the pipeline starts executing it for you. I prefer build steps that stay boring, because once they stop being...

23 June 2026
Prototype pollution in Adobe Acrobat PDF code paths

Prototype pollution in Adobe Acrobat PDF code paths is not a neat edge case, it is what happens when privileged JavaScript trusts the wrong shape of data. I keep coming back to the same point,...

22 June 2026
Human-in-the-loop AI pentesting for exploit paths

AI pentesting is useful when it speeds up the grunt work and leaves judgement where it belongs. I care less about noisy findings than about whether a small mistake can be chained into a working path,...

22 June 2026
Formal verification boundaries in corecrypto

corecrypto formal verification is useful right up to the point where the code stops being plain C. I trust the proof more than the marketing, but only if the compiler output still looks like the model...

22 June 2026
Weekly Tech Digest | 22 Jun 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.

21 June 2026
pipe_buffer tmp_page reuse in Linux kernel

tmp_page reuse sounds neat until you try to make it behave, and then the pipe accounting starts getting in the way. I have found the useful part is usually not the obvious corruption, but the ugly...

21 June 2026
GitHub exposure of AWS GovCloud credentials

Public repos are brilliant at preserving bad decisions, and AWS GovCloud credentials are exactly the sort of thing that should never survive a commit. Once they are out, the clean-up is only half the...

20 June 2026
Hardening consumer routers against botnet abuse

Consumer routers are still being dragged into IoT botnets because the easy mistakes never went away, default logins, exposed admin pages, and forgotten services. I would rather spend ten minutes...

20 June 2026
Rotating AWS GovCloud secrets after repo disclosure

AWS GovCloud credential leakage is not a tidy mistake, it is a time problem. Once a secret hits public GitHub, I treat revocation, search, and handoff as one job, because leaving even one copy alive...

19 June 2026
Checking Proxmox VE 9.2 cluster networking before upgrade

Before I touch Proxmox VE 9.2, I make the cluster prove itself under strain, because corosync, migration, and storage paths always fail in the places you skipped. A node that looks fine at idle can...