malware – HeelpBook

MacOS X – Managing Gatekeeper (Terminal)

Posted onMay 21, 2020May 21, 2020

Gatekeeper is a feature available on MacOS X systems to block, by default, any application that is not installed from the Apple Store, for security reasons (all apps on Apple Store are validated and certified by the original developers). Let’s see how to manage this feature on MacOS X systems by accessing to it using command line (using Terminal). Read More …

Exchange Online – Preventing Domain Spoofing

Posted onJanuary 21, 2019February 17, 2019

In many business environments domain spoofing can be a real threat: this is a common form of phishing and usually occurs when an attacker appears to use a company’s domain to impersonate a company or one of its employees. Read More …