Facilities built a lead scoring system

“We'll add authentication later.”— Kevin, Facilities

Reason:

Officially because the architecture diagram contains a box labelled "manual step". With 172 users and zero documentation.

Built by:

Kevin, a team lead

Build time:

a long Thursday

Built with:

Python and a cron job on a laptop

Database:

one table with 210 columns

Authentication:

the session never expires because that was annoying

Deployment:

automatically restarted by a cron job because nobody fixed the memory leak

Responsible:

Miriam, informally

Documentation:

an onboarding call everyone is expected to remember

Security situation:

the vulnerability scanner is blocked by the firewall

Future disaster:

It will email the entire customer list to one customer.

Age: 7.0 years · originally expected to last 14 days · 2 owners so far · survived 2 reorganisations · last meaningful change 74 days ago

Rated rare mostly because: 721 users, 80% chance of becoming business critical, alive 183x longer than intended.