GUI software and the commands you need to get the signature of an app checked thoroughly by macOS, plus a detailed list of error code.
WhatsYourSign
When macOS won’t let you open an app or other software because it warns that it’s (possibly) malware, here’s how to check the signatures.
What does an error -67030 mean? How does one signing error lead to another? Helpful detail for interpreting results from checking signatures.
Has your Mac got any old apps and other bundles on it? Have their signing certificates been revoked, or are they perhaps unsigned? Here’s a new app to help you find out.
One of the basic checks which all malware protection should make is whether apps and other code have […]
Which anti-virus and security products should you use? Here are some recommendations to keep the malware at bay.
Are advertisers now deliberately delivering unwanted crapware to those using ad and tracker blockers?
How can you check that an app attached to an email, or one copied from a USB stick, is safe? Here’s a very good answer.
The Eclectic Light Company 