Pete Finnigan's Oracle security weblog

Testing a Better System Prompt

Wed, 05 Aug 2026 09:36:28 +0000

I am using my local LLM using a mac book pro M5 64gb and running Ollama, open-webui via docker and the interface on my Windows laptop. I posted a blog recently Can local LLM AI generate the top 100 most....[Read More]

Posted by Pete On 05/08/26 At 09:35 AM

Oracle Forensics - Dates and Times in USER$

Wed, 05 Aug 2026 09:36:28 +0000

As part of a previous investigation when looking at timestamps and dates for changes recorded to the database meta data I noticed in addition to the normal columns the SYS.USER$.SPARE6 column as it was populated for some users. I also....[Read More]

Posted by Pete On 03/08/26 At 01:59 PM

Sovereign AI

Wed, 05 Aug 2026 09:36:28 +0000

One area I have not covered in previous blogs about Oracle Security and AI is sovereignty of that AI and of course in particular of the data. This means that the control of the hardware (compute and GPU) and the....[Read More]

Posted by Pete On 29/07/26 At 02:20 PM

Is AI Like Oracle Security?

Wed, 05 Aug 2026 09:36:28 +0000

My day to day focus is helping customers secure data in their Oracle databases. As you will have seen from a small number of blogs here recently I have been writing a little about AI and in particular local LLMs....[Read More]

Posted by Pete On 28/07/26 At 08:41 AM

Can local LLM AI generate the top 100 most common passwords?

Wed, 05 Aug 2026 09:36:28 +0000

I am working on a simple password audit tool for Oracle Apex and I have written a simple password cracker in PL/SQL to test if a password is found or not; i.e. is the password weak or not. To allow....[Read More]

Posted by Pete On 23/07/26 At 12:01 PM

Cluster Objects in the Oracle Database

Wed, 05 Aug 2026 09:36:28 +0000

Sometimes in forensic analysis of an Oracle database it is necessary to understand how data is stored on disk. Actually we must understand that if we were to create our own database we might start with a file that holds....[Read More]

Posted by Pete On 13/07/26 At 09:11 AM

AI Comparison for Oracle Security Code Generation

Wed, 05 Aug 2026 09:36:28 +0000

I am running a Mac Book Pro M5 with 64gb of RAM and a 2tb SSD. I wanted to use local LLMs to generate Oracle security related PL/SQL to see how good these models are at generating PL/SQL code and....[Read More]

Posted by Pete On 07/07/26 At 10:43 AM

AI

Wed, 05 Aug 2026 09:36:28 +0000

My day job is Oracle security and that covers a massive area of topics from performing security audits, helping customers secure data in their Oracle databases, forensics, building and designing audit trails and reports, secure coding in PL/SQL, encryption of....[Read More]

Posted by Pete On 06/07/26 At 12:56 PM