// PRIMERS
Explainers
Long-form primers on the underlying concepts. Built to be referenced, not skimmed.
- What is double extortion ransomware? An explainer for non-technical executives in 2026An executive-level explainer of double extortion — the dominant ransomware playbook in 2026 — covering how it works, why backups don’t fully defeat it, and the policy choices boards now have to make in the first hour of an incident.
- Building an OSINT investigation workflow: from intake to reportThe five-stage workflow that separates an OSINT analyst from someone with a bookmarks bar full of tools.
- Geolocating a photo from scratch: the Bellingcat workflow for normal humansA practitioner walkthrough of the photo-geolocation method used by Bellingcat and most newsroom verification teams. Worked example included.
- OSINT 101: a starter toolkit for 2026A practitioner’s roadmap to the OSINT tools that actually earn their place in your bookmarks bar. Free and paid, with honest notes on what each one is good for.
- Ransomware-as-a-Service (RaaS): How Cybercrime Got Its Franchise ModelRansomware-as-a-Service turned ransomware from a craft into a franchise. Core developers write the malware, affiliates run the intrusions, and revenue is split. Here is how RaaS works, who plays which role, and why it has been so hard to disrupt.
- The Different Types of Ransomware: From Crypto-Lockers to Triple ExtortionNot all ransomware is alike. Crypto-ransomware, lockers, scareware, leakware, doxware, wipers — each works differently and demands a different defensive response. A practical taxonomy.
- How Ransomware Works: The Full Attack Lifecycle, Step by StepModern ransomware attacks are not single events; they are weeks-long intrusions that end in encryption. Here is the full lifecycle, from initial access to extortion, and what defenders can do at each stage.
- A Brief History of Ransomware: From the AIDS Trojan to the RaaS EmpiresRansomware did not start with Bitcoin. It started in 1989, on floppy disks mailed to AIDS researchers, and spent thirty years evolving into the multibillion-dollar criminal industry we know today.
- What Is Ransomware? A Plain-English Guide to the Defining Cybercrime of Our EraRansomware is malware that holds data, devices, or entire enterprises hostage until a payment is made. Here is what it is, why it works, and why it has become the single most disruptive category of cybercrime.








