A working notebook for zeal & the open systems beneath it.

DevSecOps

Informed Cyber Scurity Services

A living log of significant architecture decisions. Each decision is captured once, dated, and never edited after acceptance — superseding decisions are added as new entries that…

Covers the 12 tools observed across Akira, Babuk, BlackBasta, LockBit, Monster, Noberus, Play, RagnarLocker, Rorschach, Royal. Image 10 Queries are provided for: Microsoft Defender…

In 2015 Business Insider published a now-classic set of diagrams from British linguist Richard D. Lewis, drawn from his book Cross-Cultural Communication: A Visual Approach. Lewis…

<Sysmon schemaversion="4.1"> <HashAlgorithms>*</HashAlgorithms> <CheckRevocation/> <EventFiltering> <ProcessCreate onmatch="include"> <Image condition="image">…

IDNameDescriptionActionDirectionProtocolSrc PortsDst Ports1IPSec IKEAllow (Stateful)IncomingUDP5002IPSec AuthenticationAllow (Stateful)IncomingOther3Domain Controller (TCP)Allow in…

Tleco BSS and OSS Image 7

A practical cheatsheet covering pluggable form factors (SFP/QSFP/OSFP/CFP), Ethernet PHY standards, fiber types, connectors, DAC/AOC cabling, and adjacent ecosystems (InfiniBand, F…

Version: 2.10.x (Ludicrous Lemur) Purpose: Find duplicate files, empty dirs, broken links and other space waste Key principle: rmlint never deletes anything — it produces scripts…