Hacker Lexicon: What Is an Air Gap? - Kim Zetter - WIRED
Air gaps generally are implemented where the system or network requires extra security, such as classified military networks, the payment networks that process credit and debit card transactions for retailers, or industrial control systems that operate critical infrastructure. To maintain security, payment and industrial control systems should only be on internal networks that are not connected to the company’s business network, thus preventing intruders from entering the corporate network through the internet and working their way to sensitive systems.
Hacker Lexicon: What Is a Backdoor? - Kim Zetter - WIRED
Generally this kind of backdoor is undocumented and is used for the maintenance and upkeep of software or a system. Some administrative backdoors are protected with a hardcoded username and password that cannot be changed; though some use credentials that can be altered. Often, the backdoor’s existence is unknown to the system owner and is known only to the software maker. Built-in administrative backdoors create a vulnerability in the software or system that intruders can use to gain access to a system or data.
Marketing Just Isn't Ready for Hackers - Peter Herzog - Dark Matters
The infosec staff that came through had been talking about it being a potential toehold in the company to reach other systems. But when they saw the compromises didn’t go further than a few servers in marketing, they concluded it was just an employee who brought the infection in from home and that they caught it in time.
But did they?