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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
incidents communication

Incident Communication Templates You Can Copy-Paste at 3 A.M.

Copy-paste incident communication templates for every stage — investigating, identified, monitoring, resolved — plus tone rules that keep customer trust.
· 5 min read
status-page incidents

Status Page Best Practices — What a Great Public Status Page Looks Like

What separates a status page customers trust from an always-green wall nobody believes: component granularity, honest history, update cadence, and branding.
· 7 min read
incidents postmortems

Blameless Postmortems for Small Teams — A Practical Template

Why blame corrupts incident timelines, how to rebuild them from monitoring data, the five-whys trap, and a copy-paste postmortem template for small teams.
· 6 min read
outages retrospective

2024 — The Year in Outages, and What It Taught Us

CrowdStrike, polyfill.io and a year of cloud wobbles — what 2024's defining outages have in common and what small teams should carry into 2025.
· 6 min read
outages incidents

The CrowdStrike Outage — Lessons From the Biggest IT Failure Ever

A bad CrowdStrike channel file blue-screened ~8.5 million Windows machines on July 19. What the biggest IT outage ever teaches teams of every size.
· 6 min read
maintenance status-page

Maintenance Windows Done Right — Planned Downtime Without the Panic

Planned maintenance shouldn't look like an outage — picking windows, pausing monitors, 503 + Retry-After, SLA carve-outs and a comms template that works.
· 6 min read
on-call incidents

On-Call for Small Teams — You're Not Google, and That's Fine

On-call for a 2–5 person team is not Google's playbook shrunk down. Honest rotations, what deserves a 3 a.m. page, runbooks and humane escalation.
· 6 min read
alerting alert-fatigue

Alert Fatigue — How Teams Learn to Ignore Their Own Alarms, and How to Undo It

Alert fatigue is a design failure, not a discipline problem. Why teams tune out their own alarms — and the confirmation, severity and escalation fixes.
· 6 min read
metrics incidents

MTTD, MTTA, MTTR, MTBF — Reliability Metrics Without the Buzzword Soup

MTTD, MTTA, MTTR and MTBF without the buzzword soup — what each measures, a worked incident timeline, why averages mislead, and the cheapest win.
· 6 min read
alerting slack

Send Alerts Where Your Team Actually Lives — Slack, Discord, Telegram and Webhooks

Email alerts get buried. How to route monitoring alerts to Slack, Discord, Telegram and webhooks — channel design, dedup, and who actually gets paged.
· 6 min read
outages incidents

The Atlassian Outage — Two Weeks of Downtime and a Masterclass in What Not to Say

A maintenance script permanently deleted ~400 Atlassian customers' cloud sites; restoration took two weeks. Lessons on incident communication and backups.
· 6 min read
outages dns

The Facebook Outage — What BGP and DNS Taught Everyone This Week

Facebook, Instagram and WhatsApp vanished for six hours this week after a BGP misstep took out their DNS. What the outage teaches every team about resilience.
· 6 min read

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Uptime, SSL, DNS, security-header grades and SPF/DKIM/DMARC — one dashboard, one bill. The free tier includes the security layer and allows commercial use.
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Uptime is table stakes. We watch the rest — security headers, email authentication, certs and DNS, with the fix attached.
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