Unless it was user-disabled Gatekeeper (https://support.apple.com/guide/security/gatekeeper-and-runtime-protection-sec5599b66df/1/web/1 https://support.apple.co

Unless it was user-disabled Gatekeeper (https://support.apple.com/guide/security/gatekeeper-and-runtime-protection-sec5599b66df/1/web/1 https://support.apple.com/guide/security/gatekeeper-and-runt...) is running on your system to prevent malware infection when you have accidentally opened a malicious app, so you should be fine either way.