Guides
Practical checks for founders whose app was built fast, and for anyone buying a small software business. From Robert Udah, principal engineer at Holdfast.
Check your Supabase app's security in 15 minutes
Six checks to prove your AI tool really fixed the permissions on your data, before a customer finds out it didn't.
20 October 2026. 7 minute read.
Read the bill before you read the code
What I check first when I inherit someone else's app: people, cloud bills and leaked keys, long before the code.
15 October 2026. 6 minute read.