Part 3 ended with F1 = 0.9053 on the 900-prompt benchmark; clear daylight above the published open-source pack, 0.074 short of AIDR’s 0.979 closed-source bar. This post is about that remaining 0.074: where it sits, why most of it isn’t a…
In part 2 we ended with the final 111k-row corpus, balanced and scenario-attack-rich. This post is about turning it into a fine-tuned classifier: picking a base, running the SFT job, fighting a calibration drift on the served adapter, and producing the headline…
In part 1 I laid out the question and the conceptual substrate. This post is about the training data: where it came from, what shape it had to be, and the close call that almost stopped the experiment. If there’s a single…
TL;DR: AI security is the emerging area of cyber security most teams haven’t caught up with yet. Prompt injection is the most-discussed and least-mitigated piece, and detection has matured rapidly, from regex pattern-matching to embedding-similarity to small fine-tuned classifiers, but the…
About This tool allows you to generate a direct download link to files you have stored in Google Drive. A direct link will immediately start downloading the file, rather than opening a preview of the file in Google Drive. Share…
After upgrading a customer from Windows XP to Windows 7 I recently discovered that Microsoft decided to quietly deprecate native support for xBase/DBF formats (Dbase III, IV and V) formats in Office/Access 2013 which resulted in an unhelpful Error: “Could…
I recently setup a Cassandra environment for a customer, the easiest approach was to utilize the DataStax Yum repository which is detailed below. As detailed previously there is a compatability issue with the OpenJDK default in CentOS so first follow…
Having recently setup a Cassandra environment for a customer I found it would crash with a segmentation fault. I discovered this was due to the OpenJDK that is bundled with CentOS – as a workaround I installed the Sun Oracle…
Recently came across this issue after doing a fresh Windows XP SP3 install. I tried various workarounds but the only solution that worked to install the security update from microsoft (KB2888505). It can be downloaded at this link
I encountered an issue recently where the four Cisco Aironet wireless access points deployed at a bus depot in South Yorkshire were not providing sufficient coverage and data downloads from the buses not completing, despite all tests showing it should…