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Contents

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Index#

Hacker Groups

Reference catalog of named threat actors, nation-state APTs, hacktivist collectives, financially-motivated crews, and ransomware-as-a-service brands. Naming conventions vary by vendor (Mandiant APT##, CrowdStrike…

Hacker Groups
Hacking Hardware

Reference of physical hardware tools an offensive-security practitioner reaches for. The categories below cover the everyday kit, USB / HID injection, RFID / NFC / wireless, network implants, hardware-debug…

Hacking Hardware
Hacking

Reference catalog of attack techniques an operator should recognize. The page is structured in two halves: a brief catalog that maps the major taxonomies (MITRE ATT&CK, OWASP Top 10) so an unknown technique can…

Hacking
macOS Hardening

Configuration guidance for locking down a macOS workstation. The operator’s first-pass references are the macOS Security Compliance Project (NIST-aligned, machine-readable baselines), the CIS macOS benchmarks, and…

macOS Hardening
Hashcat

Hashcat is the world’s fastest password-recovery utility. The operator points it at captured NTDS hashes, MSSQL hash dumps, or any other artifact for credential access after foothold.

Hashcat
Hash Functions

Reference of hash functions by category with operator-relevant notes on what each one is used for, what’s safe to deploy in 2026, and what’s deprecated. For wider cryptographic coverage see…

Hash Functions
Hazardous Materials

Reference of hazardous-materials classification systems an operator may meet in transport, response, or facility investigation: UN-class numbers, NFPA 704 fire-diamond, GHS pictograms, and HAZWOPER response levels.

Hazardous Materials
Healthcare Codes

Reference of medical / pharmaceutical / billing classification systems an operator may meet, ICD, SNOMED, LOINC, ATC, CPT, HL7. Useful for healthcare-data forensics, breach response, and biomedical OSINT.

Healthcare Codes
Helix

Helix is a modal terminal editor written in Rust. Modal like Vim, but with a selection-first model (inspired by Kakoune) and built-in LSP, Tree-sitter, and DAP with no plugins or…

Helix
HTTP Headers

Reference of HTTP request and response headers, with notes on operator-relevant security headers, caching, content negotiation, and the modern set introduced in HTTP/2 / HTTP/3.

HTTP Headers
HTTP Status Codes

The five categories: 1xx informational, 2xx success, 3xx redirect, 4xx client error, 5xx server error.

HTTP Status Codes
HUMINT

Human intelligence. Collection through direct contact with people: agent recruitment and handling, debriefing, interrogation, elicitation, surveillance, cover, source meetings.

HUMINT