Shopify is taking app security seriously too.
Breaches hurt the whole system, not just the individual apps with poor sec policies. How can you trust installing apps if you're seeing others?
Shopify's app security skill is a solid start but there's more you can do:
https://t.co/YNMOhfutHf
@kirplatonov Good stuff!
Makes me wonder if we'll start to see Shopify's sec skill extend to theme linting for unescaped metafields, or potentially just auto-escape under the hood
The PHP security team is giving advance notice: Upcoming security release Wed, Oct 21st 2026, 14:00UTC, two critical vulnerabilities, both rated CVSSv4 9.2.
PHP users are encouraged to prepare to update. Earlier release if details become public or active exploit evidence.
The newest guide on how to harden your app against supply chain attacks, with new tooling available in package managers and integrations to help prevent breaches:
https://t.co/mvXTZMCMAM
Here's a Shopify App Security Field Guide so we can keep up with this changing landscape:
https://t.co/vwQdYnR8eT
I've been publishing new guides and tactics based on what's happening in the ecosystem. Clearly the times have changed, and it's an opportunity to improve
@celispj I'm not seeing an option to apply to the Defense Tier specifically. The form isn't showing an option for "self defense, non-enterprise" type tier.
But you can still use Opus, open weight models, etc to test against your app in CI/CD:
https://t.co/AahsMn3Ulr
Finally able to build something that merchants have been asking over and over for years now.
So so excited. Can't share details now but so grateful for the opportunity
Merchant trust is everything
Which means security is everything
Introducing `app security check`
A tool that finds common vulnerability patterns in Shopify apps
Run it with AI Toolkit
Now it's limited to unit tests only, it doesn't actually mock the UI.
But at least you can test business logic and error edges, which is at least giving you a base line foundation to work from.
I can't believe I missed this.
Now you can write automated tests for your Shopify UI Extensions - including POS π€―
pnpm i --dev @shopify/ui-extensions-tester
Not rocket science but proud of this new intro page design I launched today.
1. (Hopefully) clear instructions
2. Visual and primary action above the fold
3. Dismissible by power users