5 Mobile App Security Vulnerabilities
Found by a routine scan — nobody wrote any on purpose.
What you'll learn
- The five findings a scan reports on almost every working mobile app
- Why insecure storage and a disabled TLS check are leftovers, not bugs
- Which of the five to fix first, and why it is not the one you expect
Share this passage
Drawing…
Understand it one step at a time
The short runs these in order in about 25 seconds. Here they are written out — pick any step to jump the short straight to it.
It works. Ship it?
Run one scan before you ship. This is a normal, working app — and that’s exactly the problem with all five findings below.
Frequently asked questions
- Why do these five vulnerabilities show up in almost every mobile app?
- They're defaults, not mistakes — nobody deliberately wrote a secret into the package, disabled a TLS check, or left an endpoint without auth; each is what happens when a default setting is never revisited. That's also why they survive code review: there's no line of "bad" code to spot.
- Which of the five should you fix first?
- An endpoint with no authentication — it needs nothing more than curl and a URL, is reachable from anywhere right now, and bots are already scanning for exactly that shape. The other four need someone to have your app, your traffic, or your network first.
Free app · no app store
These are built for a phone
Every short is drawn at full portrait height, the shape a phone already is. Installed, it opens full-bleed with no address bar across the top — and the whole library reads offline.
Read deeper on Azure
Twenty seconds gets the shape of an idea across. These go into how it behaves in production.
-
Five Mobile App Security Vulnerabilities a Scan Finds, and Which to Fix First
Five findings on a working mobile app, none deliberate: a secret in the package, a token in plain storage, an open endpoint, TLS off, extra permissions.
-
AI Bot Attacks on a Mobile App Login, and How Azure Stops Them
A script tries 8,000 passwords a minute against your login API at 3am. Rate limiting, smart lockout and Defender for Cloud make speed the losing move.
-
Azure Key Vault Explained: The One Secret Tutorials Never Remove
Moving every secret into Key Vault leaves exactly one behind: the credential that opens the vault. A managed identity is what removes it.
More shorts
-
Azure
Money debited. Order failed.
10 steps · 56s
-
Azure
One tap. Two orders.
10 steps · 57s
-
Azure
1.6 million downloads. One photo.
10 steps · 58s
Get new posts by email
New technical articles, Azure AI and GitHub Copilot updates, and upcoming events. No spam, unsubscribe anytime.