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Security Guides

What are Ubuntu phased updates, and are security updates delayed?

Phased updates roll out regular Ubuntu updates in stages, so apt may keep a package back. Security updates are never phased. Here is how to check.

Oct 18, 20264 min read
Security Guides

What AppSec tools should an AI startup adopt first?

A trigger-based order for AI startups: dependency scanning and secrets checks first, then PR gates, container scans, and API tests as customers arrive.

Oct 18, 20263 min read
Security Guides

What an ISAC does: E-ISAC and WaterISAC as examples

ISACs are sector groups that share threat information. What the electricity and water ISACs do, based on their 2019 partnership announcement.

Oct 18, 20263 min read
Security Guides

What does an API security scanner need before its first run?

Before the first API scan, gather a spec, a safe target, test accounts for each role and a scope. A short preparation list that avoids wasted runs.

Oct 18, 20263 min read
Security Guides

What does allowPrivilegeEscalation false do in Kubernetes?

It stops a container process gaining more privileges than its parent, such as via setuid binaries. It defaults to true when unset, so set it to false.

Oct 18, 20263 min read
Security Guides

What should a penetration test of an LLM app cover?

Scope a pen test of an LLM app across API, auth, tenant isolation, prompt injection, agent tools, output handling, and cost abuse, with rules of engagement.

Oct 18, 20263 min read
Security Guides

What a free vulnerability scan cannot tell you

A free scan shows known dependency issues at a point in time. It cannot show unknown flaws, your own code bugs, runtime exposure, or business impact.

Oct 18, 20263 min read
Security Guides

What should a device do when it detects tampered firmware?

ETSI EN 303 645 says a device that detects an unauthorised software change should alert the user or admin and limit its network access. Design notes.

Oct 18, 20263 min read
Security Guides

How do I check if we were exploited before the zero-day patch?

Patching closes the door but does not tell you if someone already walked in. A practical compromise check to run after a zero-day fix lands.

Oct 18, 20263 min read

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