To improve the security of your Adobe account, you can set up 2-Step Verification as explained in Use 2-Step Verification to strengthen account security. With 2-Step Verification, while signing in, extra verification is required in addition to your Adobe ID credentials.
You can use the Adobe Authenticator for this extra verification. The Adobe Authenticator
While other authenticator apps such as Google authenticator generate a verification code that you need to enter, Adobe Authenticator also supports authentication with one tap.
With Adobe Authenticator, you can simply tap on your iOS or Android device or your connected smartwatch to sign in to your account. You do not have to manually enter the verification code every time you sign in. (You can, however, choose to enter the verification code if you want.)
Once you have successfully set up Adobe Authenticator, the next time you log into your account, the 2-Step verification process gets activated, and Adobe Authenticator sends a push notification to your device.