Knowledge Base
Showing 24 of 204 guides. Use the numbered pages to browse the complete archive.
SSH authentication bypasses rarely break the cryptography. Three real failure modes: doing the protocol steps out of order, verifying a signature incompletely, and trusting the shape of a username.
A concrete RouterOS checklist: patch and check the flagged state, disable exposed services, filter the input chain, harden accounts and crypto, and make the configuration repeatable.
Routers are numerous, always on, reachable and unwatched, which is why the same hardware joins botnet after botnet. The structural reasons, and how to plan for the long tail of unpatched devices.
A downloaded browser update is not a running one. Six steps to define the patch floor, force relaunches with Chrome and Edge policy, stage an emergency tier, and verify from live inventory.
Why V8's optimizing compilers keep producing type confusion bugs, how one becomes addrof and fakeobj primitives, and where the renderer sandbox actually stops an attacker.
One Chromium CVE lands in Chrome, Edge, Brave, Opera, Electron apps and WebView2 on different days. How to inventory every embedded copy, set tiered SLAs, and negotiate with vendors.
An LLM gateway concentrates provider keys; an MCP gateway concentrates tool access. Put them in one process and a single fail-open auth path exposes everything behind it.
A nine-step hardening pass for LiteLLM and similar proxies: inventory, network placement, route pruning, key hygiene, scoped tool credentials, egress control, logging, and image verification.
LLM and MCP gateways hand attackers every provider key and tool at once. Why they belong in Tier 0, and how to set ownership, patch SLAs, blast-radius limits and monitoring without stalling teams.
Server-side request forgery turns a server's network position into the attacker's. Why loopback-only services are the real target, and how to fix both ends of the chain.
A seven-step recovery process for a breached remote-access gateway: preserve evidence, isolate, re-image, rotate every secret including MFA seeds, and hunt downstream.
Edge gateways get exploited again and again for structural reasons. How to plan on four timescales so the next zero-day is a contained event instead of a domain-wide one.
Join keys, phantom fallbacks, and fail-open validation: how secrets nobody chose become authentication bypasses, and how to purge them from your stack.
A six-step process for investigating a system after an authentication bypass: exposure windows, identity inventory, audit logs, rotation order, and persistence checks.
Exploitation now begins days after a patch ships. How to tier systems, set 72-hour patch SLOs, pre-authorize emergency change, and plan for the patches you miss.
NTLM relay attacks don't crack passwords, they forward a legitimate authentication to a different service. Here is how the technique works and why it keeps breaking Windows environments.
Extended Protection for Authentication is the control that stops NTLM relay against Windows services. Here is what it does and how to turn it on across Exchange virtual directories.
On-premises Exchange keeps generating urgent, exploitable vulnerabilities. This is a strategic guide to deciding whether and how to retire it before the next one lands.
Reverse-tunnel implants turn a compromised endpoint into a proxy into your network while blending into normal web traffic. Here is how to detect them when signatures fail.
Paste-and-run attacks depend on standard users being able to execute arbitrary scripts. Here is a practical set of controls to lock down PowerShell, the Run dialog, and Windows Terminal.
ClickFix attacks convince users to run malicious commands themselves by disguising them as a human-verification step. Here is how the technique works and why it bypasses so many controls.
Signed URLs let a server grant temporary, tamper-proof access without a login session. Here is how the signature is built, verified, and how a missing key turns verification into a rubber stamp.
File-sync and file-sharing servers accumulate quietly and outlive their owners. Here is a practical process for finding the ones you expose to the internet before an attacker enumerates them for you.
Unsupported software does not fail on its retirement date. It keeps running, keeps holding data, and quietly becomes the easiest way into your network. Here is how to plan for it.