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The CompleteStatus Blog

Monitoring & security, explained

Practical, no-fluff guides on uptime and security monitoring — fixing security headers, email authentication, SSL certificates, and consolidating your monitoring stack.
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All posts security 23 uptime 21 monitoring 19 incidents 18 outages 10 tls 9 https 9 dns 8 ssl 8 performance 8 email-security 6 security-headers 5
soc2 compliance

How Monitoring Supports SOC 2 and Compliance Evidence

How uptime and security monitoring supports SOC 2 audits, cyber-insurance questionnaires and client security reviews — and what evidence they really ask for.
· 6 min read
change-detection defacement

Website Change Detection — Catch Defacement Before Your Visitors Do

How website change detection works — rendered DOM vs raw HTML diffing, tuning out dynamic noise, and catching defacement before your visitors do.
· 6 min read
dns dns-monitoring

DNS Monitoring — What to Actually Watch (and Why Hijacking Is the Scary Part)

Which DNS records to monitor, how to spot hijacking and unauthorized changes, TTL strategy, registrar security — and why domain expiry trumps it all.
· 7 min read
safe-browsing security

Google Safe Browsing Blacklist Removal — Fixing "Deceptive Site Ahead", Step by Step

Google flagged your site with "Deceptive site ahead"? Why legit sites get blacklisted, how to clean up, request a review, and how long delisting takes.
· 6 min read
checklist dns

The January Infrastructure Audit — A Checklist for Everything You've Been Ignoring

Expiring domains, stale DNS records, untested backups, orphaned access — the once-a-year infrastructure audit that prevents this year's outages.
· 6 min read
security supply-chain

The polyfill.io Supply-Chain Attack — Every Script Tag Is a Trust Decision

The polyfill.io CDN is injecting malicious code into 100,000+ sites. What happened, why SRI didn't save anyone, and how to defend against the next one.
· 6 min read
wordpress monitoring

Monitoring WordPress Sites — What Breaks, and How to Catch It

WordPress runs over 40% of the web — and fails in WordPress-specific ways. Keyword checks, wp-cron heartbeats, defacement detection and xmlrpc abuse.
· 6 min read
security log4shell

Log4Shell — What CVE-2021-44228 Is Teaching Us, Mid-Scramble

Log4Shell (CVE-2021-44228) is a trivially exploitable RCE in Log4j — and patching is still under way. What the scramble teaches every team, Java shop or not.
· 6 min read
https tls

Fixing Mixed Content Warnings — Finishing the HTTPS Migration You Started

Active vs passive mixed content, how browsers treat each, finding hardcoded http:// URLs, CSP upgrade-insecure-requests, and staying clean after migration.
· 6 min read
cookies samesite

Chrome's SameSite Cookie Change Is Fully Live — Here's What Silently Breaks

Chrome now treats cookies as SameSite=Lax by default, breaking cross-site POSTs, SSO and payment callbacks. What changed, what breaks, and how to fix it.
· 6 min read
tls ssl

TLS 1.0 and 1.1 Are Being Shut Out — Time to Check What Your Server Negotiates

Chrome, Firefox and Edge now block TLS 1.0 and 1.1. How to test what your server negotiates, enable TLS 1.2/1.3 on nginx and Apache, and handle legacy clients.
· 6 min read
hsts https

The .dev TLD Is Here — and It's HTTPS-Only by Design

Google's .dev domains open to the public this month — and the whole TLD is HSTS-preloaded. What preloading means, and how to launch HTTPS-only from day one.
· 6 min read

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