When Threat Intelligence Outgrows the Spreadsheet: Moving to MISP
For a lot of teams, tracking indicators and notes in a spreadsheet, then feeding them manually into detection and prevention systems, works well for months or even years. As your program grows, you'll eventually want to do things that get harder in a flat table. None of that is impossible in a spreadsheet. It just gets slower and more fragile as volume and complexity grow. For most teams reaching that point, we recommend MISP as the next step. It gives you more structure, correlation, automation and sharing capability without requiring you to build an overly complex CTI environment from day one.
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Episode #004: How ChatGPT Could Transform the CTI Analyst Role with Chris Horsley
Cosive CTO Chris Horsley conducted early experiments using ChatGPT to help assign ATT&CK IDs to threat intelligence reports. While the tool won’t replace an experienced analyst as of today, it will likely change the way we do this kind of work.
How ChatGPT Could Transform the CTI Analyst Role
The interview in this post is taken from Episode 004 of the Cosive Podcast, where Cosive CTO Chris Horsley sat down with Tash Postolovski to talk about the implications for AI tools like ChatGPT on the future of the CTI Analyst role.
7 MISP Best Practices: Lessons from Effective Threat Intel Teams
MISP is a powerful open source threat intelligence and sharing platform used by countless SOC teams around the world. Getting a barebones MISP instance up and running is well within the skill-set of most SOC teams. Download MISP, run it on a VM, and log in to the MISP admin console using default credentials… all within about 10 minutes. That part is easy. Now for the hard part: how do you get from a barebones MISP install to actually using MISP to solve real-world cybersecurity problems? Making that leap can be much more complex and challenging than it may seem on the surface.
Episode #003: Securing REST API Endpoints (or How to Avoid Another Optus) with James Cooper
Unless you have been living in a cave on Mars with your eyes shut and your fingers in your ears for the past few weeks, you have probably heard something about a data breach at Australian telecommunications giant Optus.As security mistakes go, the vulnerability reported to have enabled the attack leans toward the more embarrassing side of the scale. If reports are true, Optus has effectively exposed customer data on an endpoint available to the entire internet.While it is plausible that a developer will forget to (re)secure an endpoint once they finish their development work, there are multiple practical steps you can take to catch or mitigate the problem.
Securing REST API Endpoints (or 15 Steps to Avoid Another Optus)
Unless you have been living in a cave on Mars with your eyes shut and your fingers in your ears for the past few weeks, you have probably heard something about a data breach at Australian telecommunications giant Optus. At Cosive, we work with organisations every day to prevent data breaches like this from happening. Here, we share 15 actionable steps that organisations to secure their API endpoints and “avoid another Optus”.
What is MISP? The Ultimate Introduction
We have extensive experience working with MISP at Cosive. We also offer a managed MISP service. Based on this expertise, we’ve put together this ultimate guide for anyone who wants to understand more about what MISP is, what it does, and how to use MISP.
Building Production-worthy Software in SecOps Teams: An Impossible Challenge?
Before jointly founding Cosive with Kayne Naughton and Terry MacDonald, Chris Horsley (Cosive’s CTO) spent many years working in national CSIRTs in both Australia and Japan, as well as doing freelance secure software development for operations teams. In this interview Chris Horsley (CTO at Cosive) talks about the challenges of building software and doing development in SecOps teams.
Episode #002: Building Production-worthy Software in SecOps Teams with Chris Horsley, CTO at Cosive
Before jointly founding Cosive with Kayne Naughton and Terry MacDonald, Chris Horsley (Cosive’s CTO) spent many years working in national CSIRTs in both Australia and Japan, as well as doing freelance secure software development for operations teams. In this interview Chris talks about the challenges of building software and writing critical automation scripts in SecOps teams.
Episode #001: What Goes Wrong in Threat Intel Programs with Kayne Naughton, MD & Co-founder at Cosive
In this interview Cosive’s Managing Director Kayne Naughton shares what he’s learned about threat intelligence programs throughout his career in vulnerability development, SysAdmin and working on threat intel in the financial sector. Kayne is one of the co-founders of Cosive. Founded in 2015, Cosive specialises in trying to solve the difficult problems in security for Australian and New Zealand organisations.



