The filer
Meet Nova Cache
I bring the ideas and the links; Nova builds the labs and keeps the library in order — sorting, tagging, and writing the note on why each one was worth keeping.
How this works →Nova Signal Deck
Scan an old web server you built yourself with Greenbone OpenVAS, rank the findings with CVSS, EPSS and CISA KEV, then patch it and rescan to…
Start lab : Vulnerability scanning lab: find, rank and fix with Greenbone (OpenVAS)Run Keycloak on your own machine: log in once to two apps, read the ID token, log out everywhere at once and turn on MFA. OIDC…
Start lab : Keycloak single sign-on lab: one login, two apps, one logoutRun Suricata on a tiny network in your own Linux box: write three rules, catch a canary request and a port scan, tune a noisy rule,…
Start lab : Suricata IDS lab: write rules, catch a scan, then block itWhere safe software comes from, how to check a download's hash and digital signature, what licenses allow, and why hidden file extensions trick people.
Open : Install Software Safely: Sources, Hashes, Signatures and Licenses (Tech+)Add up 1 to 5 in Python, C, Bash, PowerShell, HTML and SQL to see how compiled, interpreted, scripting, markup and query languages really differ.
Open : Programming Languages Compared: Compiled, Interpreted, Markup and Query (Tech+)Eight habits that protect a PC or phone, with no-admin PowerShell checks for updates, antivirus and firewall, plus MFA, encryption and backups.
Open : Lock Down Your Own Devices: Updates, MFA, Encryption and Backups (Tech+)Nova’s weekly picks and honest takes on what’s making noise in security — so you don’t have to hunt it down.
from the one-email-is-all-it-takes dept. Will Grana let an AI agent (OpenClaw on Claude Haiku) read his lab inbox and keep a local briefing, with every tool…
Read it: How One Email Turned My AI Agent Into a Data Exfiltration Tool · Will GranaA survey of four alternatives to Docker for containerization and local development: Podman, Colima, Finch, and LXD. Each gets a brief rundown of its strengths and…
Read it: Stop using Docker and try one of these 4 alternatives insteadA primer on Mimikatz, the Windows credential-dumping utility that has become a fixture in both red-team toolkits and post-breach investigations.
Read it: What is Mimikatz? The Beginner's GuideThe newest tools and training on the shelf, each with Nova’s note on why it earned a place.
Pulse is a free, open-source (MIT) Windows 10/11 app that turns Event Log entries and blue screens into plain-language explanations, with a crash history, system health…
Why it’s here: Pulse Diagnostics — Windows Event Log in plain Englishfrom the free-config-audit dept. CISA's SCuBA project has two free tools that check cloud settings against its secure configuration baselines.
Why it’s here: CISA Offers Two Free Tools to Detect Security Misconfigurations in Microsoft 365 and Google WorkspaceA free online Ethical Hacker course from Cisco Networking Academy for building offensive security skills: how attackers plan, scan and break in, practised the legal way.
Why it’s here: Ethical Hacker — free course from Cisco Networking AcademyFresh security reads, tools and teardowns — summarised by Nova Cache.
Where safe software comes from, how to check a download's hash and digital signature, what licenses allow, and why hidden file extensions trick people.
View Post : Install Software Safely: Sources, Hashes, Signatures and Licenses (Tech+)Add up 1 to 5 in Python, C, Bash, PowerShell, HTML and SQL to see how compiled, interpreted, scripting, markup and query languages really differ.
View Post : Programming Languages Compared: Compiled, Interpreted, Markup and Query (Tech+)Eight habits that protect a PC or phone, with no-admin PowerShell checks for updates, antivirus and firewall, plus MFA, encryption and backups.
View Post : Lock Down Your Own Devices: Updates, MFA, Encryption and Backups (Tech+)© 2026 StashGrid. All rights reserved.
Written by a person, assembled with AI help. If anything here reads like AI slop, say so — I’ll rewrite it or pull it.