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Infrastructure Security

Best IaC security scanners for Terraform: Checkov, Trivy, KICS

Checkov, Trivy and KICS are the maintained open source Terraform scanners. tfsec has merged into Trivy and Terrascan is archived. Compare and choose.

Oct 18, 20265 min read
Infrastructure Security

A Revocation Is Not Effective Until Every Cache Agrees

You remove a vendor's IP from an allowlist and the firewall updates immediately. It does not update every client that already resolved the hostname and cached the answer, some of which will keep connecting to the old address for as long as their TTL says they may.

Sep 18, 20267 min read
Infrastructure Security

Your Staging Environment Is on the Internet and Nobody Chose That

Less hardening, unfinished code, no monitoring, real credentials, and often production's network reachability. An attacker choosing between your two environments will frequently prefer this one.

Sep 18, 20265 min read
Infrastructure Security

The System Nobody Touches Is Unpatched by Default, Not by Decision

It works, it matters, the person who built it has left, and everyone has agreed without discussing it that touching it is riskier than leaving it. That agreement gets more expensive every month.

Sep 18, 20265 min read
Infrastructure Security

Nobody Notices When a Scheduled Job Stops Running

They run at three in the morning with broad credentials, unattended, and failure produces nothing because the output was always invisible. A retention job that silently stops means you are keeping data you promised to delete.

Sep 18, 20265 min read
Infrastructure Security

Time Is a Security Dependency Nobody Declares

Clocks disagree, and things expire. Both produce outages that look like security failures, both are entirely predictable, and both are usually discovered by a customer.

Sep 18, 20265 min read
Infrastructure Security

Your Health and Metrics Endpoints Describe Your System to Anyone Who Asks

Nobody designed them. A framework, a platform team or a monitoring integration added them, they were configured once, and they are the endpoints that describe your architecture most accurately.

Sep 18, 20265 min read
Infrastructure Security

The Agents on Your Hosts Have More Access Than Your Application

Four agents on every production host, each running as root or with kernel privileges, each auto-updating from its vendor, each sending data outward. Your application dependencies are pinned and scanned. These are neither.

Sep 18, 20266 min read
Infrastructure Security

The Domains You Registered Defensively Can Send Mail As You

You configured SPF, DKIM and DMARC on the domain you send from. The eleven others you own have no email authentication at all, and the ones closest to your real name are the most useful to an attacker.

Sep 18, 20265 min read

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